Posts

Ultra-fast sparse-view irradiation, processing volumetric additive manufacturing

https://www.eurekalert.org/news-releases/1091583 "no need for large projection data sets... reduces: required projection data 60X/ projection computation time 10X, total manufacturing process 10X... binary information sufficient for spatial representation, with high single-projection efficiency, less vibrations from frequent rotations... projection efficiency and reducing projection set calculation time are crucial for the rapid implementation of VAM... 8 projections minimal number to reconstruct structural contours... tissue engineering, medical implants, aerospace manufacturing"

Record-breaking 4 Gbps 2m/ 2.9 Gbps 10m data transmission using organic LEDs for high-speed, long-distance visible light communication

https://www.eurekalert.org/news-releases/1091631 "Li-Fi: high bandwidth, low interference, integration with existing lighting systems... thin, flexible, easy fabrication, stable organic dinaphthylperylene having long operational lifetime... each layer's thickness/ composition fine-tuned, balancing brightness/ speed... larger OLEDs emit more light without sacrificing speed... OLEDs transmitters/ high-speed photodiodes receivers... orthogonal frequency division multiplexing maximizes data throughput, in part to advanced signal processing/ error correction"

Energy-efficient spintronic 2D half metal iron/ palladium alloy on a palladium crystal that conducts single-spin electrons, either spin-up or spin-down

https://phys.org/news/2025-07-scientists-successfully-metal-material-electrons.html "overcomes operation only at ultra-low temperatures/ special property loss at surface... properties fine-tuned adjusting iron content, doesn't require perfect crystal structure... spin–orbit coupling does not hinder half-metallicity, instead, carefully balanced with magnetic exchange from iron atoms, spin–orbit coupling enables effect... effective up to room temperature... spin polarization runs opposite to that of magnetization... spin filters/ spin-orbit torque crucial for switching magnetic states in memory chips"

Researchers develop a polymer electrolyte with improved ionic conductivity using only a small amount of additive

https://techxplore.com/news/2025-07-polymer-electrolyte-ionic-small-amount.html "wearable electronics batteries' mechanical flexibility... solid-state electrolytes' ionic conductivity increased to 3.2 mS/cm, 17X higher, by adding small amount of 4-hydroxy TEMPO organic molecule, maintaining stable free-radical structure, highly responsive to external stimuli... opens ion highway in electrolyte, clearing blocked pathways... 25.4 Wh/kg storage capacity, 25 kW/kg output power... fiber-shaped electrodes maintain 91% of performance >8K bending cycles... wearable electronics, rapid redox reactions"

Open-source algorithms enable AI developers worldwide to combine/ accelerate power of different AI models; LLMs' performance up to 2.8X faster

https://www.eurekalert.org/news-releases/1091432 "speculative decoding: small/ fast model, possessing limited knowledge, makes first guess while answering user’s query, and larger/ powerful but slower model reviews/ corrects, maintaining 100% accuracy... each LLM translates output from internal token language into shared format, then another algorithm prompts reliance on collaborative work that use tokens having same meaning across models... division of labor, especially benefiting edge devices: phones, drones, autonomous cars"

Room temperature light induced high-energy magnon Bose-Einstein condensates change haematite's properties in non-thermal way

https://www.eurekalert.org/news-releases/1091415 "laser controlled collective electron spin magnetic vibration optical excitations (magnons) enabling information THz transmission/ storage... drives high-frequency magnon pairs via laser pulses, changing other magnons' frequencies (electronic transitions, lattice vibrations, magnetic excitations)/ amplitudes, thus magnetic properties in non-thermal way... effects caused by light, not laser excitation nor temperature, fast data transmission without heat slowing it down... also, research quantum effects at room-temperature"

Low-cost, stable, high-speed coverage for 5G/ 6G with over 1 Gbps throughput and enhanced mmWave signal stability using analog repeaters

https://www.eurekalert.org/news-releases/1091278 " strategically placed  analog repeaters connected either wirelessly or via optical fiber... dramatically enhances coverage in mobile networks by overcoming signal blockage, especially important in urban/ high-traffic areas... each repeater comprises donor unit receiving signals/ service unit amplifying and transmitting to users or forwards to other repeaters... overlapping coverage areas of multiple repeaters created artificial multipath environments, further enhancing signal stability... AR, autonomous vehicles, wireless, fiber-optics"

World’s brightest and most energy efficient quantum rod LEDs also feature color-richness, transform smartphone, TV, and AR/VR displays

https://www.eurekalert.org/news-releases/1091249 "optimized deep green emission at top of color triangle, enabling displays with unprecedented color purity, maximized color gamut, longer lifespan, triple brightness... higher light outcoupling efficiency than QD LEDs... rods with uniform, smooth morphology, shorter length, enabling dense, void-free film packing... shorter organic ligands collectively enhancing charge balance, suppressing electron leakage boosting efficiency/ stability... rational engineering of device’s hole transport layer"

Stable alloy of periodic table group IV elements carbon, silicon, germanium, and tin ensures compatibility with standard chip manufacturing

https://www.eurekalert.org/news-releases/1091246 "production using industrial CVD enables combining these elements with opposite properties... enables components comparable with/ capabilities beyond pure silicon, all from same group of the periodic table, to be integrated directly onto chip during epitaxy... greater control over band gap, key factor determining electronic/ photonic behavior... scalable photonic/ thermoelectric/ quantum/ electronic semiconductors, quantum well based LEDs, room temperature lasers, wearables"

Narrowing a laser beam's linewidth by a factor of over ten thousand using Raman scattering of light from vibrating diamond crystals

https://www.eurekalert.org/news-releases/1091068 linewidth measures beam's frequency/ color purity maintenance, narrower = more monochromatic/ spectrally pure... tested deliberately noisy input Brillouin laser beam with linewidth exceeding 10 MHz. hitting mm-scale diamond crystal in carefully designed cavity, Raman scattering narrowed output beam to 1 kHz limit their detection system... Raman technique transfers timing irregularities into diamond crystal vibrations, dissipated, leaving behind narrow waves... quantum computing, atomic clocks, gravitational wave detection"

Tunable conductive mechanism for realizing spin-selective charge carrier transport in thin- film WSe2 for compact/ efficient spintronic devices

https://phys.org/news/2025-07-mechanism-tungsten-diselenide.html "control over how electrons with different spin orientations move through material using external magnetic or electric fields... no need to integrate different materials into complicated structures... spin-selective transport using single, non-magnetic WSe2... spin selectivity due to contrast in electrical conductivity, depending on mobile carriers' spin at Fermi level: highly tunable when mobile carriers have different spin from background causing stall, but when spins match, Pauli exclusion prevents strong interaction"

Terra Quantum's scalable, fast/ efficient sub-milliwatt Negative Capacitance Field-Effect Transistor a revolution/ complete disruption of AI market

https://thequantuminsider.com/2025/07/14/europes-chip-moment-terra-quantum-develops-new-transistor-aimed-at-ai-market/ "internal voltage amplification up to 40X, uses up to 20X less energy per operation (as little as 0.5 fJ), CMOS-compatible, foundry-grade silicon with ferroelectric materials... needs only 5% of massive power plants/ cooling conventionally needed by AI... internal voltage amplification/ switching slope <30 Mv/ decade... 5 to 10X higher logic throughput... room temperature polarization switching, remnant polarization of ~32 μC/cm² across multiple dies, low-leakage, domain stability... AI training, mobile edge computing"

Tamm plasmon crystals integrated with ultrathin antimony trisulfide achieves reversible/ tunable color filtering across the visible spectrum

https://www.eurekalert.org/news-releases/1090738 "dynamically tunes by inducing phase transitions between antimony trisulfide's amorphous/ crystalline states by varying thickness using thermal/ optical activations... 5-layer stack silicon dioxide/ zinc sulfide films on silicon substrate, 10-nm-thick antimony trisulfide layer, 15-nm-thick silver film... resonance wavelength shifted 50 nm, enabling different colors: amorphous 530 nm/ fuchsia color, crystalline 560 nm/ blue-violet... incidence angle/ polarization insensitive... no complex lithographic techniques, energy efficient"

Resonant spectra via radiation directionality of optical modes is key to overcoming intrinsic dispersion locking by misaligned bilayer metagratings

https://www.eurekalert.org/news-releases/1090744 "introduced a degree of lateral displacement, preserving spatial inversion symmetry while breaking vertical mirror symmetry... thin spacer layer flatness/ precise lateral misalignment: iterative deposition, ~10 nm bilayer alignment, spacer material compatibility... flexible experimental platform for studying bilayer photonic systems... high reflectance only at single angle/ wavelength.. AR/VR displays, coherent thermal radiation, advanced semiconductor manufacturing, compact optical/ spectral imaging, optical computing"

LED-pumped luminescent concentrators, a new source of amplification stimulating maser microwave emission, combine power and brightness

https://newsroom.northumbria.ac.uk/pressreleases/major-breakthrough-in-maser-research-for-northumbria-scientists-3396173 "masers detect/ amplify extremely weak electromagnetic signals without adding additional noise... overcomes: complex, expensive, very cold/ vacuum, high magnetic field fabrication conditions... replacing complex laser systems with low-cost energy-efficient  LEDs operable at room temperature... compact, scalable, integrateable into: quantum technologies, deep-space communications, portable sensing devices including body scanners such as those used at airports"

Using chirped laser pulses and a magnetic field to control dark excitons in semiconductor quantum dots

https://www.eurekalert.org/news-releases/1089946 "bright/ accessible excitons emit light... dark excitons optically inactive, so have significantly longer life making ideal for storing/ controlling quantum states, generating entanglement... manipulate excitons' spin state in controlled manner/ transform bright excitons into dark ones, can also reverse process by further laser pulse.... can be kept in dark state for prolonged time, reactivated later... control of quantum memories and the generation of entangled photon pairs in quantum dots"

Click-based AB-type monomers enables bidirectional chain-growth, yielding long-chain, uniform polymers with narrow dispersity

https://www.eurekalert.org/news-releases/1090475 "no longer limited to step-growth, leverages copper-catalyzed azide–alkyne cycloaddition... monomers add selectively growing chains's reactive ends, enabling precise control over polymer length/ structure... Azide-type initiators began chain growth from monomer's alkyne end, yielding triazole rings with terminal azide groups... alkyne-type initiators produced chains ending in alkyne groups... biomedical, constructing functional macromolecular architectures from wide range of monomers"

Semiconductor device integration manipulates/ positions microscopic photonic devices accurately, furthering scalable manufacturing

https://techxplore.com/news/2025-07-scientists-key-generation-optical-chips.html#google_vignette "µm-scale photonic crystal cavities trapping/ manipulating light without variations introduced during fabrication, enabling building large arrays identical units directly on-chips... placing cavities onto a new chip, precisely measuring/ sorting each by its optical characteristics in real time... custom optical measurement during integration... enables more effective/ complex designs... observe dynamic response to printing process, enabling rearrangement after they have been fabricated... quantum, telecommunications, sensing"

New class of moiré structures achieving varying twist angle opens path to quantum simulation of more exotic states of matter

https://phy.princeton.edu/news/twist-m-axis-new-twist-platform-opens-path-quantum-simulation-more-exotic-states-matter "in addition to hexagonal lattices twisted around K-points of electronic momentum symmetric under 120-degree rotations, an entirely new twisting paradigm based on M-point significantly expands moiré landscape... materials systematically classified based on electronic band minimum position controlling resulting twisted layers' quantum properties... SnSe2 and ZrS2 were chosen: bands at M-point symmetrical, rendering them sometimes 1D... high-temperature superconductors, electron doping without degradation"

Al(EtO)3 and additives synergistically promote in-situ polymerization of uniform solid electrolyte interface achieving 4.7V lithium metal batteries

https://www.eurekalert.org/news-releases/1090921 "stable cycling/ even interfaces overcoming dendrites, capacity fading, safety risks... carbonate-based electrolyte crosslinking agent forms 3D polymer network uniformly depositing inorganic components in both solid/ cathode -electrolyte interphases... reduces activation energy required... reduces interfacial Li-ion migration energy barrier to 48 kJ/mol... retained 80%  capacity after 140 cycles... by precisely regulating additive reactions, desired interfacial structure is formed during initial battery operational stage"

Single-molecule chip films hidden intermediates at nanosecond scale enabling scalable synthesis driven by electric field

https://www.eurekalert.org/news-releases/1090916 "graphene-based chip... 1000X faster... captured elusive intermediates in Morita-Baylis-Hillman reaction... 2 proton transfer pathways: kinetic path/ dominant stepwise thermodynamic path... reaction oscillatory behavior created electric field achieving 5K reactions/ second turnover frequency, huge increase vs. conventional... Scaling enabled synthesizing multiple compounds within hour using densely integrated molecular devices... energy-efficient on-chip chemical manufacturing... catalysts, green synthesis protocols"

Vast spin waveguide propagated quantum ripples in magnetic materials could make AI networks 10x more energy efficient

https://www.sciencedaily.com/releases/2025/07/250710113143.htm "inscribed individual spin-wave waveguides into 110 nm low attenuation yttrium iron garnet using silicon ion beam, producing large network with 198 nodes... attenuation connected spin waves forming larger circuit propagated record distance enabled by yttrium iron garnet having the lowest attenuation currently known for any material... control over spin wave properties: precisely alter wavelength/ reflection at certain interface... flexible/ reproducible fabrication"

Nanosheets of layered manganese dioxide enable dual-mode high-density heat storage below 100°C via water adsorption

https://www.eurekalert.org/news-releases/1090733 "water molecules simultaneously absorbed (intercalated)/ adsorbed from atmosphere... water molecules enter MnO2 layers at around 130°C, surface adsorption emerging below 60°C by breaking down layered manganese dioxide into ultrathin nanosheets... this dual mechanism increases total amount storable water molecules by 1.5X, 30% enhances energy storage density compared to bulk MnO2... interlayer water exhibits solid-like characteristics, surface-adsorbed more like liquid... solar/ waste heat, thermoelectric" Related: Inking heterometallic nanosheets: A scalable breakthrough for coating, electronics, and electrocatalyst applications https://www.eurekalert.org/news-releases/1090761

Quantum battery model achieves theoretical speed limit, demonstrates genuine advantage

https://phys.org/news/2025-07-quantum-battery-theoretical-limit-genuine.html "theoretical model of proposed battery using superconducting circuits... 2 coupled harmonic oscillators: one acts as charger and the other serves as battery. The key ingredient enabling the quantum advantage is an anharmonic interaction between the 2 oscillators during the charging process. This anharmonic coupling allows the system to access non-classical, entangled states that effectively create a shortcut in Hilbert space, enabling faster energy transfer than in classical dynamics"

Optimizing oxygen vacancy defects and structural order in thin-film indium gallium zinc oxide transistors could fix persistent display instability

https://www.eurekalert.org/news-releases/1090380 "prolonged exposure to light/ electrical stress shifts voltage required to activate pixels... crystallinity impacts subgap states/ anisotropic electrical conductivity of single-crystal indium gallium zinc oxide... no subgap states near valence band in either as-grown or annealed crystals, whereas such states, linked to device instability, frequently observed in amorphous crystals... use optimum annealing conditions in sample growing or identify better sister material... smartphones, TVs, flexible electronics"

HyperQ enables multiple users to share a single quantum computer simultaneously through isolated quantum virtual machines

https://www.eurekalert.org/news-releases/1090489 "software layer, hypervisor, inspired by virtualization technology powering cloud computing, dividing physical quantum computer's hardware into multiple, smaller, isolated quantum virtual machines, scheduler then packs multiple qVMs together to run simultaneously on different parts of machine... average user wait times up to 40X less, up to 10X more quantum programs executed in same time frame... enhances computational accuracy by steering sensitive workloads away from noisiest regions of quantum chip"

First Solar to integrate quantum dots to boost bifacial solar module output efficiency

https://pv-magazine-usa.com/2025/07/09/first-solar-to-integrate-quantum-dots-to-boost-efficiency/ "integrating quantum dots into solar panels improves light absorption/ spectral response, advances utility-scale solar project performance... doping perovskite materials boosts relative power 16% when integrated into crystalline silicon solar modules, especially benefiting bifacial... quantum dots more than double the bifacial quantum efficiency of light conversion for specific wavelengths, colors... supply agreement with UbiQD, developer of quantum dot nanotechnology... potential it to reach >100 mt production/ year."

Overcoming heat dissipation difficulties of co-packaged optics increases speed/ energy savings, benefiting data center optical interconnects

https://www.eurekalert.org/news-releases/1090356 "optical/ electronic devices working together in same tiny package enables short signal transmission distance... thermal management difficulty overcome, efficiently cooling high heat flux switch chip/ avoiding high temperature generated by switch chip from affecting surrounding optical modules/ ensuring temperature homogeneity between surrounding optical modules to avoid signal crosstalk... can be applied to heat dissipation of 51.2 Tbit/s co-packaged optics... data center optical interconnects"

Precise composition engineering yields ferroelectric ternary alloy films that pave the way for ultra-low-power memory devices

https://www.eurekalert.org/news-releases/1090364 "(Al,Ga,Sc)N thin films with record-high scandium levels... scandium reduces operating voltages, but increasing its concentration affects stability, overcome alloying AlN/ GaN in right proportion using reactive magnetron sputtering... platinum-/ titanium-coated silicon substrates... new region for ferroelectrically active wurtzite crystal structure at higher Sc contents when small fraction of gallium present... attractive piezoelectric/ optoelectric properties... noise filters for 6G, optical computing, non-volatile memory storage"

Electrons move through silicon in controllable waves, enabling on/ off switching at molecular-scale, and smaller, smarter devices

https://www.eurekalert.org/news-releases/1090331 "symmetrical structure of silicon molecules fine-tuned creating/ suppressing destructive interference, turning conductivity on/ off.. precise control over how atoms are arranged/ way electrons move through silicon structures... molecular symmetry in silicon leads to interference effects that control how electrons move through it, and we can switch that interference on or off by controlling how electrodes align with our molecule... molecular-scale switches, thermoelectric devices, quantum computing components"

Lightweight, robust aerogel composites combining high-temperature insulation with mechanical load-bearing can be fabricated in large sizes

https://www.eurekalert.org/news-releases/1090045 "carbon fiber reinforced using expandable graphite interfacial bonding agent... ceramic-based aerogel composites with novel precursor impregnation/ in-situ dual-morphology growth... enables simultaneous formation of dense silicon carbide coatings/ nanowire network within carbon fiber structure, improving oxidation resistance/ ablation... both types of composites demonstrated the feasibility of large-size fabrication, with samples successfully prepared and capable of being cut and processed as needed"

Implantable neuron-like ferroelectric bioelectronics enable seamless integration and adaptive communication with neuronal networks

https://www.eurekalert.org/news-releases/1090114 "biocompatible polydopamine-modified barium titanate nanoparticles enable efficient photo-to-thermal conversion/ ferroelectrics... ferroelectric poly (vinylidene fluoride-co-trifluoroethylene) copolymer generates signals through reversible polarization changes... cellular-scale micropyramid arrays promote neuronal adhesion, neurite outgrowth, interconnection... performs up to 3 months after in vivo implantation... neural interface materials/ devices, adaptive brain-machine interfaces, biomedical/ tissue engineering" Related: Organic neuromorphic devices: Paving the way for next-generation computing and bioelectronics https://www.eurekalert.org/news-releases/1090581

Topological spin textures from photonic crystal slab using Bound States in the Continuum generating alignment-free, high-fidelity topological light

https://www.eurekalert.org/news-releases/1090120 "intricate patterns traditionally in solid-state materials, expanded to skyrmions/ merons/ hopfions, Möbius strips dynamically propagating in free space with intricate spin configurations maintaining integrity even under perturbations... no intricate alignment needed, making generation accessible/ scalable, efficient/ robust data encoding... spectral/ polarization characteristics increases information density"

Degradation of magnetization in next-generation low-power thin film spintronic memory devices will be reversible

https://www.eurekalert.org/news-releases/1089865 "low-power memory relies on magnetic properties' manipulation... sputtering manufacturing causes magnetic layer becoming oxidized, spoiling magnetism... Cos/MgO structure with underlayers formed of Pt or Au. Pt improves spintronics device robustness, where oxidation damage to Co layer  adjusted changing sputtering power during MgO layer deposition, then annealed with H2... strong catalytic action of Pt enabled magnetic recovery of Co after oxidation and could help us to inform the design of future post-silicon devices"

Entanglement battery powers quantum reversibility

https://www.eurekalert.org/news-releases/1089919 "like ordinary battery storing energy in thermodynamics, entanglement battery injects/ stores entanglement, but level of entanglement within battery can not decrease... any mixed-state entanglement transformation can be made reversible... also applies to systems involving >2 entangled particles, paving way for complex quantum networks, highly efficient quantum technologies... also: battery that is supposed to preserve coherence/ free energy but that can have that particular resource of the system reversibly manipulated”

Platform enables tunable photonic crystals with integrated spin-orbit coupling and controlled laser emission

https://phys.org/news/2025-07-platform-enables-tunable-photonic-crystals.html "self-organized uniform lying helix cholesteric liquid crystals in optical microcavities acts as 1D periodic photonic lattice... liquid crystals responding to electric field enables pitch control/ photonic band structure... light given properties similar to particles endowed with mass... fabrication simpler, cheaper, faster... dynamic control of birefringence formation allows light of different polarizations to interact differently with lattice, creating independent energy bands... tilting leads to interaction between energy subbands for the 2 lattices" Related: Tunable laser light: Ring design could be used in telecom, medicine and more https://www.eurekalert.org/news-releases/1090707

Photon time bins and signal stability show promise for practical quantum communication via fiber optics

https://phys.org/news/2025-07-photon-bins-stability-quantum-communication.html "each photon carry more information/ signals remain stable across 100s km fiber-optic... photons encoded in delicate quantum states so intercept/ tamper disturbs quantum state, making eavesdropping detectable/ inherently limited... 8 time-bins, which can be opened simultaneously, encoding: information carried by precise arrival time of each photon... silicon nitride photonic chip integrates miniature interferometers generating/ processing entangled photons... sum-frequency correlation tracks joint photons arrival time"

Massive Machine Type Communication where every smart device, from traffic sensors to wearable health monitors, seamlessly communicate

https://www.eurekalert.org/news-releases/1089288 "allows up to 1 million IoT devices/ square km sporadically send small data bursts... grant-free communication allows devices to send data without prior authorization, reducing processing/ power consumption in end devices, scheduling operations in base stations... data collision risk overcome using analysis systems with randomly distributed elements... interference cancellation improved base station throughput up to 20%, most effective for devices at intermediate distances... fairness/ throughput trade-off"

Direct-ink-write 3D printing of flexible all-solid-state micro-supercapacitor based on MXene-hydroxylated nanocellulose-carbon nanotubes

https://www.eurekalert.org/news-releases/1088692 "insufficient energy density/ MXene nanosheet difficulty stablizing 3D printing inks, overcome using layer-by-layer deposition enabling precise microporous hierarchical/ interfacial architecture construction... material design flexibility, process controllability, scalability... DIW 3D printed interdigitated structure encapsulated with H2SO4-PVA solid electrolyte, some HNC as crosslinking agent inhibiting nanosheet agglomeration/ optimizing ink's shear-thinning... flexible electronics, energy storage, smart sensing"

Assembling gaseous, charged molecular fragments into new, complex molecules for advanced thin-film applications

https://phys.org/news/2025-06-method-molecular-fragments-advanced-thin.html "triggers controlled chemical bond formation enabling chemical reactions not otherwise feasible... the most chemically reactive negatively charged molecular fragment was bonded to other molecules... nitrogen from air was bound in layers on surfaces... linking metal-containing, charged nanoclusters with unique magnetic/ electronic properties for quantum technologies... nanoelectronics, sensors, medical, catalysis"

Nanoscale 3D-printed glass reflects nearly all visible light, challenging photonic assumptions about what low-index materials can do

https://phys.org/news/2025-06-glass-nanostructures-visible-photonics-assumptions.html "silica nanoparticles grainy, low-resolution results, but Glass-Nano, photocurable resin blend of silicon-containing molecules with other light-sensitive organic compounds, cures smoothly/ contracts uniformly during heating, transforming into clear, robust glass... 2-photon 650°C sintering lithography shrinks polymer structures, preserving form while achieving nanoscale features as small as 260 nm... fabricated >20 tightly stacked photonic crystal layers with fine-tuned design... wearable optics, integrated displays, sensors"

Kirchhoff's law of reciprocal relation strongly violated, enabling more efficient energy harvesting, heat transfer, and infrared sensing

https://phys.org/news/2025-06-rewriting-century-physics-law-thermal.html   "material's capability to absorb EMR at given wavelength/ angle must equal capability to emit at same wavelength/ angle strong violation enables new way to control thermal radiation... nonreciprocal emitters redirect/ capture otherwise wasted photons enabling harvesting solar energy at thermodynamic efficiency limits... 0.43 contrast between emissivity/ absorptivity over broad 10 µm wavelength band... can change object's temperature, subject it to strong magnetic field, key to strong breaking of Kirchhoff's law"

Highly sensitive/ responsive room-temperature THz sensing devices, Har bar geometric, using 2D TaIrTe₄

https://phys.org/news/2025-07-tairte-photodetectors-highly-sensitive-room.html "ps intrinsic speed/ sensitive detection across 0.1 to 10 THz, exhibiting strong nonlinear Hall effect... intrinsic picosecond-scale dynamics... sensing performance/ electronic state tunable via electrostatic gating... large 0-bias responsivity, ultralow NEP... 0-bias responsivity can be boosted 50X... imaging, single THz sensing, large-scale imaging arrays/ intelligent THz sensing by integrating with machine learning, quantum information technology, biomedical sensing, communication"

Super photoreductant quantum-confined semiconductors, facilitating previously unattainable organic photocatalytic transformations

https://www.eurekalert.org/news-releases/1089909 "quantum dots promising as photocatalysts for promoting photoredox chemistry, generating hot electrons enhancing photoreduction efficiencies, but achieving hot-electron generation under mild conditions is challenging... overcome with 2-photon spin-exchange Auger in Mn²⁺-doped CdS/ZnS utilizing visible-light-absorption... uses just 1% of light energy normally required... enables on/off generation of hot electrons by modulating light output intensity, facilitating programmable assembly-point cross-coupling cascades "

Sound signals in computer chips – almost without signal loss

https://www.eurekalert.org/news-releases/1089922 "signal zig-zags through/ around holes in silicon nitride membrane perforated with many triangular 10 mm holes, with 1 out of a million signals lost... current fluctuation amplitude similar that in electronic circuits, but the later decreases about 100K times faster... quantum computers/ bio-sensors which depend on super-precise signal transfer"

Harnessing virtual photon fluctuations in a vacuum within a chiral cavity to modify quantum materials without using high magnetic fields

https://www.eurekalert.org/news-releases/1087893 "enhancing circularly polarized light's quantum vacuum fluctuations in single direction achieving chirality without high magnetic fields/ external stimuli adversely affecting materials inside... photonic-crystal chiral cavity lightly doped with indium antimonide, using order magnitude lower magnetic field facilitating strong, long-lasting graphene-light interactions reshaping the vacuum, opening band gap that changes its topological properties/ turns it into insulator useful for building new types of quantum devices "

Laser-Assisted Cold Spray: 3D printing supersonic powder stream laser heating depositing metals/ cermets to build, coat or repair parts

https://techxplore.com/news/2025-07-laser-cold-spray-generation-technology.html "overcomes high-temperature/ material limitations of thermal spraying... high-precision, design flexibility, efficiency, enables multiple materials integration, reduced material waste/ energy consumption, uses both cold spray/ powder bed fusion... laser heating more practical than high-impact helium spray, reducing substrate yield stress/ stronger bond without melting... allows complex, digital designs... little control over powder deposition shape, an issue for coatings, not part-building... aerospace, process, energy, biomedical "

Reactive magnetron sputtering of thin film (Al,Ga,Sc)N alloy with record-high scandium levels enables ultra-low-power memory devices

https://techxplore.com/news/2025-07-ternary-alloy-pave-ultra-power.html "overcomes stability limits. Beyond enabling efficient, piezoelectric/ optoelectric properties... non-volatile ferroelectric memories...scandium reduces voltages but faces limitations in stability, overcome alloying AlN with GaN in right proportion expanding amount of Sc that can be incorporated... platinum-/ titanium-coated silicon substrates... reduction in material's coercive field from 5.8 MV/cm to 1.8 MV/cm... memory storage, high-frequency noise filters/ ultra-low-power optical computing systems for 6G smartphones"

mmWave: reflections from Wi-Fi enable quality-control robots to find, reconstruct, and manipulate items that are blocked from view

https://www.eurekalert.org/news-releases/1089504 "travels through plastic containers, interior walls (not metal/ very thick) reflecting off hidden objects, collected/ feed into algorithm, estimates/ chooses surface most representative of signals received, generates final 3D reconstruction with 96% reconstruction accuracy... overcomes back projection's image resolution too coarse for small items like kitchen gadgets... specularity estimates not just reflection location but also direction... warehouses, airport security scanners, military reconnaissance, human use with AR headset"

AirComp transmits and processes multiple clusters of data, each completing a distinct calculation, in mid-air simultaneously.

https://spectrum.ieee.org/wireless-communication-over-air-processing "data collected from multiple devices at same time instead of from each separately, faster/ using fewer resources/ same wireless channel... signals naturally combine (forming an average) in the air, then picked up by receiver... interference among clusters alleviated combining 2 machine learning techniques: unfolding algorithm identifies optimized calculations for AI models, graph neural network identifies/ reduces signal interference across clusters... performed well handling 10 clusters... sensors, smart cities, sending updates"

New study revealing bees' secret to super-efficient learning could revolutionize AI and robotics

https://www.eurekalert.org/news-releases/1089541 "bees use wiggles of body, head, eyes for pattern recognition training... built digital model of bee brain's creating clear/ efficient brain signals... smarter, more efficient AI and robotics without relying on huge computer networks. The study highlights a big idea: intelligence comes from how brains, bodies and the environment work together. It demonstrates how even tiny insect brains can solve complex visual tasks using very few brain cells, which has major implications for both biology and AI"

Diamond-graphene hybrid nanoscale quantum sensor achieves 2X enhancement in coherence time of shallow nitrogen-vacancy center spins

https://www.eurekalert.org/news-releases/1089302 "high sensitivity sensing for weak magnetic signals at room temperature... shallow NV centers close to diamond surface greatly enhances spatial resolution, but electric or magnetic noise from unpaired electron spins at surface significantly reduces coherence time... suppressing noise requires additional microwave manipulation, overcome by covering monolayer graphene on diamond surface/ heterogeneous interface hybridization modulating density and relaxation time of surface electron spins... 2D material/ interfaces"

Interfacial modulation engineering for sodium layered oxide cathode: air stability, ion-transfer kinetics, and phase evolution

https://www.eurekalert.org/news-releases/1089306 "sodium-ion battery cathode: high capacity, straightforward/ efficient fabrication, but poor air stability, sluggish interfacial kinetics, detrimental phase transitions resulting in unsatisfactory cycling stability/ inferior rate capability... overcome using organic/ inorganic coating, interfacial-coating-doping, heterogeneous phase design, enabling residual alkali in-situ conversion and/ or enhanced interfacial stability, improved electrochemical reaction kinetics, mitigated phase evolutions, layered-tunnel heterostructure building"

Fast, precise 3D printing seamlessly merges soft/ hard properties into object without failure at the interface, using different colors of light

https://www.eurekalert.org/news-releases/1088953 "liquid resins/ dual-light printing activates different chemical reactions depending on color of light used, violet = stretchy/ UV = rigid...  speed up 3D printing with built-in material control... enables flexible/ strong, complex output... at interface, molecule with both reactive groups enables much stronger connection between soft/ hard parts, can be gradual transition if we want... soft parts stretched/ bounced back, hard parts as strong as consumer products' plastic... prosthetics, flexible medical devices, stretchable electronics"

Dry-process synthesizes hybrid supraparticles which, inspired by lunar craters, easily attach nanoparticles for industrial use

https://www.eurekalert.org/news-releases/1087393 "Hybrid Supraparticle Synthesis attachs inorganic nanoparticles to polymer microparticles' surfaces through mechanical collisions... wet chemical issues: complex multi-step/ additional costs, toxic solvents, difficult chemical bonding, overcome having nanoparticles envelop polymer microparticles like a shell by precisely controlling size ratio between particles, collision speed, rotational/ surface energy, roughness... electrodes, catalysts, pharmaceuticals, biotechnology, semiconductor packaging, electrical insulators"

Hybrid-integrable, scalable, robust, energy-efficient, near-room-temperature solid-state diamond-spin-photon-based quantum computers

https://www.eurekalert.org/news-releases/1088674 "longer operation times/ lower error rates outperform superconducting systems... qubit registers created using color centers in diamond/ surrounding nuclear spins, photonic-coupled via microresonators distributed across multiple registers/ distances >20 m... 2 register entanglement, each with six qubits,  >0.9 average fidelity...germanium/ tin vacancy defects, capable serving as qubits, in detectors/ sources, high Q-factors in diamond microresonators, 12 qubits, single-qubit gate error rates <0.5%, >10 ms coherence time"

Dual-wavelengthi dgital 3D negative imaging/ printing of multiple materials builds complex structures, then dissolves sacrificial supports

https://phys.org/news/2025-06-team-tackles-bottlenecks-dual-wavelength.html#google_vignette "no cumbersome scaffolding requiring manual removal...  single digital micromirror projects UV (solidifies final epoxy structure)/ visible light (cures sacrificial thermoset) at same time... after thermal postprocessing, printed objects placed in water-based solution where supports dissolve... reduced print time, minimal material waste, improved resolution, 1-pot single resin avoids swapping mid-print, eliminates need for manual assembly... suspensions/ overhangs, cantilevers, hinges, interlocking systems"

Tyfast's safe, heavy-duty vanadium-oxide anode lithium battery charges 10X faster and lasts 10X longer than conventional lithium-ion

https://www.metaltechnews.com/story/2025/05/28/tech-bytes/a-heavy-duty-us-lithium-vanadium-battery/2301.html "stability over thousands of charge cycles, maintains superior performance at extreme temperatures including fast charging at subzero temperatures... partner US Vanadium advances circular manufacturing utilizing post-industrial waste streams... heavy-duty: industrial, construction, defense, mining, trucking"

Sensitive yet tough: tiny chip-scale photonic devices are now a reality

https://phys.org/news/2025-06-sensitive-tough-photonic-devices-reality.html "precise, powerful, easier/ cheaper production at scale... devices sensitive enough to detect tiny changes prone to breakdown with even small manufacturing imperfections, overcome using subwavelength phase singularity where light's intensity drops to 0 while phase continues full cycle... 2 gold nanorod layers (in rows slightly twisted relative to each other) sandwiching thin-layer polymer in between, bottom embedded in polymer/ top exposed to air, sensing molecules... adjusting space between layers controls light interactions"

Pulse-driven amplifier activates only when reading information from qubits, is 10X more efficient, stays cool, and safeguards quantum states

https://www.sciencedaily.com/releases/2025/06/250625011632.htm "enables more powerful quantum computers, significantly more qubits... sensitive microwave amplifiers read inherently weak signals, but generate heat, causing decoherence, overcome using low-noise/ power semiconductor pulsed amplifiers... amplifier rapid activation to keeps pace with qubit readout using algorithm that improves amplifier operation... genetic programming enables amplifier smart control/ 35 ns response to incoming qubit pulse"

Enhanced mechanical, electrical, and thermal properties of Ti3C2Tx fibers through interfacial covalent crosslinking with borate ester bonds

https://www.eurekalert.org/news-releases/1088892 "188.72 MPa tensile strength, 7781 S cm-1 electrical conductivity, 13 W m-1 K-1 thermal conductivity, scalable wet-spinning, reduced interlayer spacing, enhanced orientation, increased compactness... scalable method for assembling other nanomaterials into multifunctional fibers... smart textiles, wearables including heaters, flexible electronics"

Stable and scalable hydrogen production solely from sunlight and water achieves solar-to-hydrogen conversion efficiency of 11.2%

https://techxplore.com/news/2025-06-artificial-photosynthesis-surpasses-key-efficiency.html "direct solar-to-chemical conversion approach reduces electrical resistance losses, minimizes installation footprint... 1 cm² perovskite-based photoelectrodes utilizing chlorine-doped formamidinium lead triiodide absorber layer, nickel-iron-cobalt catalysts, UV-insensitive tin oxide electron transport layers, assembled into 4×4 array... surpasses 10% commercial threshold... nickel foil/ resin encapsulation enables 140 hour continuous operation retaining 99% of initial performance... scalable to PV-size modules"

Magnetic chains on superconductors a new heterostructure design advancing topological quantum computing and pursuit of Majorana modes

https://phys.org/news/2025-06-magnetic-chains-superconductors-heterostructure-advances.html "magnetic-superconducting hybrid systems enable topological superconductivity with potential applications in fault-tolerant quantum computing, but struggle with lattice mismatches/ complex interfacial interactions/ disorder, overcome with precise atomic-scale control over magnetic structures using sub-monolayer CrTe2/NbSe2 heterostructure... creates stripe-like patterns with edges hosting localized magnetic moments, effectively forming 1D magnetic chains... tunable periodic stress-induced structure"

Inserting mn-thin spacer in ExUC-OLEDs enhances blue light emission 77X, improves energy transfer, reduces weight/ voltage, makes more flexible

https://www.eurekalert.org/news-releases/1088891 "exciplex (lower-energy intermediate state) upconversion OLEDs limited by need for carefully matched donor/ acceptor materials enabling efficient energy transfer, overcome inserting spacer layer between donor/ acceptor materials enabling wider selection of materials... 0.064% efficient exciplex formation, together with raised energy sufficiently... OLEDs for displays, lighting systems, wearables, foldables, portable electronics" Related: Observed luminescence of excited complex formed by two donor molecules may transform OLED technology https://www.eurekalert.org/news-releases/1090399

New type of current collector reduces cost, supply chain constraints for fast-charging EV batteries

https://techxplore.com/news/2025-06-component-chain-constraints-fast-ev.html "enables superior energy density maintaining significant amount after 1,000s cycles charging to 80%  in 10 minutes... copper anode/ aluminum cathode are heavy, overcome using polymer sandwiched between copper or aluminum thin film layers, overall 85% cheaper using 80% less metals/ roll-to-roll fabrication, 27% more energy, performs as well as conventional counterpart at 1/4 the weight, enabling farther distance on same charge... polymer acts like circuit breaker eliminating 90% of lithium battery short-circuit fires"

Simultaneous laser connected/ powered devices use existing optical fiber over long distances, even in the harshest environments

https://www.eurekalert.org/news-releases/1088941 "Sunlab's multi-junction photonic power converters turning laser into electrical power... IR has low attenuation losses/ km enabling dramatic improvement in power/ data transmission >km... stacked semiconductor junctions absorb more light to convert to electric power, enabling higher efficiencies/ voltages... >2 volts at maximum power point with 53% efficiency... future: laser power in free space simultaneously powering/ communicating"

Creation of new molecule could help develop stamp-sized hard drives capable of storing 100 times more data than current tech

https://www.eurekalert.org/news-releases/1088652 "single-molecule magnet retains magnetic memory up to 100°K... store about 3 TB data/ square cm... single-molecule magnets store information individually enabling ultra-high data densities... rare earth dysprosium between 2 nitrogen atoms arranged almost in straight line, boosting magnetic performance... bent/ irregular shape overcome adding alkene acting like molecular pin, binding to dysprosium holding structure in place... molecule with linear arrangement enables magnetic memory at such high temperatures... huge data centers"

Low-noise semiconductor amplifier activates only when reading information from qubits enabling quantum computers with more qubits

https://www.eurekalert.org/news-releases/1088149 "90% less power, reduces qubit decoherence, more powerful quantum computers... extremely sensitive microwave amplifiers ensures weak signals accurately detected/ read, but delicate, overcome by reducing heat since pulse-operated: activated only when needed for qubit amplification rather than being always switched on... smart amplifier uses algorithm improving operation... responds much faster to the incoming qubit pulse, in just 35 nanoseconds"

Thin-film Cu3(HHTP)2 MOFs exhibiting metallic conductivity pave new paths for electronics and energy storage

  https://phys.org/news/2025-06-metal-frameworks-metallic-pave-paths.html   "MOF's low electrical conductivity caused by defects overcome using AI/ robot-assisted synthesis enabling over crystallinity/ domain size control, reducing defect density... thin film MOF applied to substrate... >200 Siemens/ m conductivities at room temperature (higher ones at -173.15°C)... material features Dirac cones similar to as in graphene, enabling spin liquids, where quantum spins remain disordered even at low temperatures/ Klein tunneling... sensors, quantum materials, functional materials"

Passive, dynamic, programmable thermal regulation toggles between solar heating/ radiative cooling with no sustained power input

https://www.eurekalert.org/news-releases/1088673 "embedded in building’s water loop system, scalable, low-energy... 5-nm platinum metastructure electrode's short voltage pulse enables reversible copper deposition, switching surface’s IR emissivity which remains in chosen state for >30 days... surface raised internal temperatures up to 45.4°C in summer/ cooled by 5°C at night, annual energy savings up to 21.4%, up to 95.8 GJ reductions in cold climates... industrial HVAC, data centers, off-grid greenhouses, smart buildings... durability, bistability, spectral selectivity" Related: Anisotropic Hygroscopic Hydrogels Enable High-Power, Self-Sustained Passive Daytime Cooling https://bioengineer.org/anisotropic-hygroscopic-hydrogels-enable-high-power-self-sustained-passive-daytime-cooling/

Quantum spin Hall effect currents, vital for spintronics, observed for the first time in graphene without using magnetic fields

https://www.eurekalert.org/news-releases/1088628 "overcomes need to applying large external magnetic fields by layering graphene on top of CrPS₄ magnetic layer, causing electron flow in graphene to becomes dependent on electrons’ spin direction... spin currents topologically’ protected, staying intact over 10s of μm long distances without losing spin information... ultrathin quantum circuits, efficient/ coherent transfer of quantum information through electron spins... essential building blocks in quantum computing, seamlessly linking qubits together within quantum circuits"

Near-perfect defects in 2D carbon-doped hexagonal boron nitride serve as quantum bits, offering purity, scalability and operational stability

https://www.eurekalert.org/news-releases/1088501 "low noise, room-temperature quantum emitters in h-BN films scalably grown using pulsed laser deposition with added carbon atoms generating defects serving as quantum solid-state single-photon emitters... low-temperature 1-step synthesis... high brightness, strong polarization, robust photostability during continuous operation... integrate into chip-based quantum devices/ sensors, for quantum-based communication, information processing, sensing"

Topological insulators boost ultra-thin magnet strength 20% for fast, energy-efficient electronics, quantum computers, advanced communication

https://www.eurekalert.org/news-releases/1088523 "few atoms thick magnets enable smaller, more powerful devices, but at extremely cold temperatures, overcome by combining with topological insulator allowing electrons' smooth flow along its surface... magnetism stronger/ more stable when the 2 layered together, even at higher temperatures of that of liquid nitrogen's 77°K... stronger, more stable nanoscale magnets... future: room-temperature operation" Related: A more versatile and powerful foundation for future photonic technologies https://www.eurekalert.org/news-releases/1088765

Thermoelectric permanent magnet has record power density comparable to that of commercial longitudinal thermoelectric modules

https://techxplore.com/news/2025-06-thermoelectric-permanent-magnet-power-density.html "56.7 mW/cm2 transverse thermoelectric room temperature power density... can be utilized everywhere magnets used... complex module structure separating heat/ charge current circuits overcome using transverse thermoelectric effect: charge current generated in orthogonal direction to applied heat current... but, transverse thermoelectric materials' zT low compared to longitudinal ones, overcome achieving 2-orders magnitude higher zT at alternately stacked samarium-cobalt magnet/ bismuth-antimony-tellurium interface"

Unlocking faster multiplexing for 6G low-earth orbit satellites

https://techxplore.com/news/2025-06-faster-multiplexing-6g-earth-orbit.html#google_vignette "time-division Multiple-Input Multiple-Output phased-array receivers operate faster, low power, exceptional area efficiency... reduces circuit complexity including for non-terrestrial nodes, by reusing signal paths through fast switching, record-setting 38.4 Gbps data rate across 8 streams in 65 nm CMOS... seamless integration between terrestrial/ satellite networks... overcomes circuit complexity growing proportionally to product of antenna quantity and MIMO streams, using time-division MIMO... IoT, LEO satellites, mobile"

RF filters based on shear vertical surface acoustic waves fabricated on silicon-based platforms are faster, cheaper, smaller, and more efficient

https://www.eurekalert.org/news-releases/1087268 "scalable, −46 ppm/°C temperature coefficient wide thermal range, operates at 7–15 GHz (above 6 GHz), insertion loss as low as 1.47 dB, 3-dB bandwidths up to 373 MHz, high signal fidelity, wide bandwidth balances speed/ coverage, k² ~ 8.9% electromechanical coupling... filtering too bulky for mobile, suffers at high frequencies. fragile. overcome using 128°Y-cut lithium niobate... 6G smartphones, routers, aerospace, autonomous systems, sensors, AI-powered applications, immersive extended reality, hyper-connected IoT"

Less is more: Efficient pruning for reducing AI memory and computational cost

https://www.eurekalert.org/news-releases/1087244 "better understanding of the mechanism underlying successful deep learning leads to an efficient pruning of unnecessary parameters in a deep architecture without affecting its performance. It all hinges on an initial understanding of what happens in deep networks, how they learn and what parameters are essential to its learning... prune up to 90% certain layers' parameters without hindering system’s accuracy... better AI systems memory usage/ energy consumption" Related: MemOS: Transforming Language Models with a Memory-Centric  AI Operating System https://ubos.tech/news/memos-transforming-language-models-with-a-memory-centric-operating-system/

Quantum random access memory based on transmon-controlled phonon routers

https://phys.org/news/2025-06-quantum-random-access-memory-based.html#google_vignette "simultaneously retrieve data from multiple locations leveraging coherent superposition... stores large amounts/ different data types more effectively, boosting quantum computer speed/ effectiveness... transmon superconducting qubits robust against some noise types, direct surface acoustic wave phonons in desired locations... integrating transmon-controlled phonon phase gate into interferometer enables single phonon routing based on transmon's quantum state... QRAM realized connecting many routers in tree-like design"

Autonomous vehicle algorithms reduce overall traffic risk 26.3%, pedestrian/ cyclists potential harm by 51.7%,, damage to AVs by 8.3%

https://www.eurekalert.org/news-releases/1086924 "considers interactions among multiple road users, social sensitivity... integrates: (1) Individual Risk Assessment for each road user, assessing speed, distances from one another, behavioral predictability, (2) Socially Weighted Risk Mapping, (3) Behavioral Belief Encoding predicting action's affect on overall traffic situation... evaluated using 2K benchmark traffic scenarios... better operational efficiency, driving tasks 13.9% faster on average... flexible/ adaptable to different regulations/ social norms to drive like locals"

Quantum atom interferometer uses cloud of atoms chilled incredibly cold to simultaneously measure acceleration in each of 3 dimensions

https://www.eurekalert.org/news-releases/1087130 "6 thin lasers pin cloud of 10s of 1,000s rubidium atoms in place at few billionths degree above absolute zero forming Bose-Einstein Condensate, next, jiggle atoms using laser light so each atom superpositions so simultaneously in 2 places at once. each part following different path... when parts nap back together form unique pattern indicating acceleration experienced, based on multi-step laser adjustments guided by machine learning... precise navigation of vehicles such as cars, submarines, spacecraft"

Fine-tuning a single electron's quantum spin for high-performance electrocatalysts that drive faster, smarter, greener energy reactions

https://www.eurekalert.org/news-releases/1088318 "electron spin on catalyst surfaces fundamental in how atoms bond/ react... accelerates reactions such as oxygen reduction/ evolution (hydrogen production), CO2 conversion, nitrogen fixation, by fine-tuning methods such as atomic doping, magnetic field modulation, toggling between high/ low-spin states, crystal structure tuning, applying magnetic fields. defect engineering... integrates principles from spintronics into electrocatalysis... fuel cells, metal–air batteries, electrolyzers, converting CO₂ into useful fuels/ chemicals"

Ultra-thin polymer membranes enable fast, selective ion transport for energy storage

https://phys.org/news/2025-06-ultra-thin-polymer-membranes-enable.html "irregular/ disordered pore structures leads to trade-off between selectivity/ permeability... overcome using interfacial 3-μm-thick polymeric membrane cross-linking separation layer on top of polymeric supporting layer... enables 82.38% vanadium flow battery energy efficiency, 300 mA/cm2 current density... tune separation layer  thickness/ morphology by varying cross-linking time/ types of agents... precise angstrom-scale ion sieving, high ion selectivity/ low resistance... membrane-based separation, energy storage"

Dramatically decreasing overhead and errors in quantum computers

https://www.eurekalert.org/news-releases/1088224 "single high-fidelity quantum state prepared from many noisy ones, but computationally expensive requiring many qubits... overcome using level-zero version of this distillation, in which a fault-tolerant circuit is developed at the physical qubit or zeroth level as opposed to higher, more abstract levels. In addition to requiring far fewer qubits, this new method led to a roughly several dozen times decrease in spatial and temporal overhead compared with that of the traditional version in numerical simulations" Related: Algorithm lets ordinary computers mimic fault-tolerant quantum circuit built on GKP bosonic code, promising crucial test-bed for future quantum hardware https://www.sciencedaily.com/releases/2025/07/250702214157.htm

Low-cost, scalable integration of high-speed gallium nitride transistors onto standard 3D silicon chips enables faster, more energy-efficient devices

https://www.eurekalert.org/news-releases/1088085 "high cost of gallium nitride semiconductor and its fabrication into devices, overcome by building many tiny transistors on GaN chip surface, cutting out each individual transistor, then bonding just necessary number onto silicon chip at low-temperature... cost minimal since only tiny amount of GaN material added to chip, but device receives significant performance boost while reducing overall operating temperature... smartphones with improved call quality, boosted wireless bandwidth, enhance connectivity, long battery life"

Ultra-low-loss microresonators at the intersection of optical fibers can be finely tuned by fiber rotation in strongly confining/ enhancing light

https://www.eurekalert.org/news-releases/1088089 "tiny fraction of degree rotation translates to µm-scale fiber displacements, enabling: mm-scale changes in resonator geometry, pm-scale tuning of its spectral/ free spectral range characteristics... van der Waals forces keep fibers in direct contact, contributing to resonator formation over sub-mm regions... micro-electromechanical systems (MEMS) integration, communication, quantum information processors, low-repetition-rate frequency comb generators, tuneable delay lines, nonlocal optofluidic sensors"

Lanthanide-doped nanomaterials enable faster, more compact/ sensitive avalanche imaging and photonic devices

https://phys.org/news/2025-06-lanthanide-doped-nanomaterials-horizons-advanced.html "lattice with pronounced local crystal field distortions enables >500 magnitude of nonlinear (abrupt, avalanche-like) emission output surge once light excitation intensity surpasses critical threshold... ideal for ultrasensitive detection/ advanced imaging... orders of magnitude more sensitive... spatially distinct nonlinear emission patterns within individual nanocrystals, allowing imaging with resolution beyond physical dimensions of emitters themselves... super-resolution imaging, highly sensitive chemical/ bio -sensing."

Fiber optics can make computers ultra-fast/ efficient for real-time signal processing, environmental monitoring and high-speed AI inference

https://www.eurekalert.org/news-releases/1087933 "laser light inside thin glass fibers mimics how AI processes information... overcomes bandwidth, data throughput, power consumption limits... amplifies tiny differences between intense fs laser pulses/ optical fiber via Extreme Learning Machine nonlinear interactions inspired by neural networks to make them discernable... pulses contain large number of wavelengths, sent into fiber with relative delay encoded according to an image containing information classifying handwritten digits with >91% accuracy"

Growing carbon nanotubes using 100 billion alumina-supported iron nanoparticle catalysts acting like seeds on a 1 X 1 cm plot

https://www.eurekalert.org/news-releases/1088061 "creating ideal high-density nanotube structures is difficult, overcome using machine-learning to model, characterize, simulate, predict nanoparticle catalyst growth during nanotube fabrication... keeps fabrication cool/ connected... future: not all of those 100 billion nanoparticles will grow nanotubes, and we are working to discover which ones act as seeds, and why"

Perovskite image sensors take photos with less light, higher resolution, and better color resolution than conventional silicon sensors

https://www.eurekalert.org/news-releases/1087639 "each pixel in silicon image sensor receives around a third of available light, overcome using lead halide perovskite semiconductor stacked pixels utilizing every photon for color recognition... perovskite sensors' hyperspectral imaging control wavelength range absorbed by each layer... perovskite containing slightly more iodine ions absorbs red, add more bromine for green, chlorine more blue, without any need for filters... smartphones, medical analysis, automated environmental/ agricultural monitoring"

Strong magnetic fields regulate laser-induced ultrafast spin dynamics in demagnetization of 2D van der Waals ferromagnet

https://phys.org/news/2025-06-scientists-uncover-magnetic-field-ultrafast.html "suppressing slow processes boosts spin-based data processing to femtosecond speeds... magnetic fields control spin angular momentum/ dynamic spin control in vdW ferromagnet Fe₃GeTe₂... 7-tesla magnetic field accelerates demagnetization process by 60%, simultaneously suppressing demagnetization efficiency by 34%... mechanism based on spin entropy variation within 3-temperature model... high-speed magnetic storage and logic devices operating at or near room temperature where effect was more pronounced" Related: Strong magnetic fields flip angular momentum dynamics in magnetovortical matter https://www.eurekalert.org/news-releases/1089699

Liuxing-I parallel on-chip optical computing capable of 100‑wavelength multiplexing

https://www.eurekalert.org/news-releases/1087750 "overcomes high-density channel crosstalk, low-latency signal synchronization, difficult large-scale integration, using integrated microcavity optical frequency comb multi-wavelength light sources, reconfigurable high-performance optical computing chip, scalable high-precision driving system... 50 GHz modulation frequency, >2560 TOPS peak performance, >3.2 TOPS/W energy efficiency... >90% improved universal error correction wavelength-channel consistency, >40 nm device bandwidth... optical computing"

Superconducting diodes and rectifiers may replace semiconductor components in quantum and high-performance computing systems

https://news.mit.edu/2025/closing-superconducting-semiconductors-0617 "less wiring linking ambient temperature electronics/ low-temperature superconducting circuits... larger/, stable, streamlined systems... 4 energy-efficient rapid single flux quantum AC-to-DC diode-based superconducting rectifiers integrated on chip within cryogenic environment... overcomes noise/ heat from having to use numerous connecting wires connecting cold quantum chips to room-temperature electronics... might also help insulate qubit signals... highly energy-efficient, superconductivity-based supercomputers"

Ultra-thin metallic oxide reveals unexpected magnetic behavior for smaller, faster, energy-efficient spintronic and quantum computing devices

https://phys.org/news/2025-06-ultra-thin-metallic-oxide-reveals.html#goog_fullscreen_ad "hybrid molecular beam epitaxy method used for growing metallic but nonmagnetic ultra-thin RuO2 layers, then applying epitaxial strain inducing altermagnetic state, which includes anomalous Hall effect but without having to use extreme magnetic fields to create it... magnetic effects in films just two-unit cells thick (less than a billionth of a meter)., and despite being so thin, the material remained highly metallic and structurally stable. AI, quantum computing, spintronics, low-power electronics" Related: Breakthrough in spintronic devices for ultra-thin quantum circuits https://www.tudelft.nl/en/2025/tnw/breakthrough-in-spintronic-devices-for-ultra-thin-quantum-circuits

Constant-drive/ weakly coupled resonators in microelectromechanical sensors (mems) decode dual signals with >10X reduced crosstalk

https://www.eurekalert.org/news-releases/1087644 "preserves high sensitivity... small, reduced complexity/ energy consumption, multi-functional... resonators detect signals via shifts in stiffness/ stable drive frequency limiting overlap/ signal confusion... instead of relying on energy redistribution, new approach monitors energy dissipation... any resonator-based measurement system: accelerometers, electric field sensors, force detectors... autonomous vehicles, wearable medical monitors, industrial automation systems, aerospace" Related: Mini machines, big impact: Tackling distortion in PT-symmetric MEMS https://www.eurekalert.org/news-releases/1087099

Algorithm using signals from virtual base-stations overcomes signal distortion from high-rise buildings, for smarter, faster, more precise 5g

https://www.eurekalert.org/news-releases/1087638 "non-line-of-sight signals leading to positioning errors, overcome with software-generated virtual nodes derived from real 5G measurements, combining time-of-arrival data, particle filtering, stability statistical test... accurately/ efficiently recalculates user location, >21% reduced positioning errors, nearly 77% less computation time... no: large datasets, external sensors... integrates particle filters/ Augmented Dickey-Fuller test... smart cities, autonomous vehicles, smart delivery systems"

New molecule lets low-energy photons hop around quickly within its structure, making light upcycling more efficient/ tunable

https://www.eurekalert.org/news-releases/1086716 "low-energy light molecules upconverted into single high-energy particle... excited state quickly hops around 3 anthracene molecules arranged like antennas in 3 different directions around central boron atom, letting it sample larger space/ multiple configurations without losing energy... low-viscous medium/ orientation favorable for triplet-triplet annihilation enables 20% faster energy fusion rate... sensors, cancer therapy/ diagnostics using harmless low-energy light/ in-situ upconversion, better solar power harnessing"

Developing new sources/ technology for single quantum photons for integration with scalable quantum networks/ memory storage

https://www.eurekalert.org/news-releases/1087118 "nanophotonic silicon chips based on erbium-based silicon quantum light sources... enhanced erbium's interaction with light using nanoelectromechanics, low power integrated nanophotonics, nanolithography, quantum systems, standard optical fibers... implant erbium atoms into tiny, ultra-pure silicon structures (improving performance) using advanced ion beam techniques... quantum devices that can be integrated into today’s technology"

Universal framework enables synthesis of arbitrary, spatially varying, custom 3D point spread functions for advanced imaging

https://phys.org/news/2025-06-universal-framework-enables-custom-3d.html "snapshot 3D multispectral imaging without spectral filters, axial scanning, digital reconstruction, phase masks at pupil plane constraining complexity/ mathematical representation... engineering through passive surface series optimized using deep learning, forming physical diffractive optical processors approximating any linear transformation between 3D optical intensity distributions in input/ output volumes... compact multispectral imagers, high-throughput 3D microscopy platforms, optical data encoding/ transmission"

Oxford Quantum Circuits transitions from physical to logical: 200 logical qubits by 2028, 50,000 by 2034

https://thequantuminsider.com/2025/06/05/oxford-quantum-circuits-oqc-publishes-quantum-computing-roadmap-sets-sights-on-50000-logical-qubits-by-2034/ "10x advantage in physical-to-logical qubit efficiency/ high-fidelity gate speeds... numerous noisy/ faulty physical qubits, before they’re corrected for errors, overcome using far fewer physical qubits generating each error-corrected logical qubit, enabling scale...  99.8% 2-qubit fidelity in 25 billionths of second among the fastest and most accurate gates ever recorded for fault-tolerant quantum systems... financial services, national security, fraud detection, cybersecurity, drug discovery, quantum chemistry" 

Ice battery system is being used to cool buildings and lower energy costs

https://www.cbsnews.com/news/innovative-ice-battery-system-cool-buildings-lower-energy-costs/ "New York's Eleven Madison skyscraper air-conditioned using about 500K pounds of ice created every night when cost is low... then, during day when price is high, building cooled with previous night's ice, lowering cooling costs up to 40%... buildings won't need to draw from peaker plants... new materials that don't need to get as cold as ice, but can still keep buildings cool... water, add other elements/ molecules, control that temperature basically anywhere we want it, in the zero to 20°C range... cool homes"