Today's Tech News: Notable or Not?

https://techxplore.com/news/2025-07-freestanding-hafnium-zirconium-oxide-membranes.html "insulating layer (gate dielectric) separates gate electrode from channel with high dielectric constant, effectively storing electrical energy, is difficult, overcome using freestanding hafnium zirconium oxide membranes... freestanding membranes not directly grown on substrate, but transferred onto it... transistor-created inverter, logic gates, 1-bit full adder circuit, MoS2 transistor with 13 nm channel length exhibiting >108 on-off ratio/ 70 mV dec−1 subthreshold swing... small energy-efficient transistors, logic-in-memory"

https://phys.org/news/2025-07-based-visual-microphone.html "simplifies/ reduces cost using light to capture sound, enables applications in scenarios where traditional microphones ineffective as long as light to passes through... single-pixel computational imaging of sound... recover sound using surface vibrations of objects such as leaves, paper... signal processing filter enhances high-frequency... no expensive lasers, high-speed cameras... sound-induced motion causes subtle changes in light intensity... environmental monitoring, security, industrial diagnostics" Related: Nanodevice uses sound to sculpt light, paving the way for better displays and imaging https://www.eurekalert.org/news-releases/1093148

https://www.prnewswire.com/news-releases/moleaer-unveils-breakthrough-nanobubble-process-to-boost-battery-range-hydrogen-production-and-water-filtration-efficiency-302518011.html "optimizes pore size distribution, enhancing dispersion/ functional surface area, stabilizing inks, improving layer uniformity... improves efficiency, power output, durability... PEM fuel cell cathode catalyst layer: up to 20% higher power output reduces size, weight, cost/ watt. Ultrafiltration membranes: up to 66% increased water permeability/ reduced energy consumption. PEM water electrolyzer (hydrogen) anode catalyst: 17% improved current density. Lithium-ion NMC cathodes: increased capacity retention/ faster charging"

https://techxplore.com/news/2025-07-flexible-transmitter-chip-wireless-devices.html "boosts connected device's range/ battery life, reduces transmission errors, leads to more reliable communications, compact, flexible, incorporates into existing devices... signals evenly spaced using uniform symbols, helps avoid interference, but lacks adaptability/ inefficient even with optimal modulation since can be hard to distinguish between symbols/ noise... overcome by guessing/ adding extra bits between symbols so every transmission same length, reconstructing original message... industrial sensors, smart appliances"

https://techxplore.com/news/2025-07-physicist-patents-quantum-method.html "superconducting metals' surface/ interface imperfections disrupt quantum states increasing error rates... overcome by coating niobium metal superconductor surfaces with gold layer 10 or so atoms thick smoothing over surface defects in niobium... gold doesn't oxidize/ chemically react under most conditions... too thick kills superconductivity/ too thin and defects still dominate... epitaxial: growing crystalline gold layer over niobium surface... more stable, more repeatable, and ultimately, more scalable quantum processors"

https://techxplore.com/news/2025-07-wafer-scale-2d-inse-semiconductors.html "ultra-high electron mobility, room temperature near-Boltzmann-limit subthreshold solid–liquid–solid growth swing, low effective mass, high thermal velocity, suitable bandgap, more energy-efficient, smaller... crystalline large-area wafer-scale integration elusive due to difficulty maintaining 1:1 atomic ratio between indium/ selenium, overcome using solid–liquid–solid conversion... amorphous magnetron sputtered onto sapphire substrate, low-melting-point indium encapsulation, sealed inside quartz cavity, heated to 550°C"

https://www.eurekalert.org/news-releases/1092800 "encapsulation with/ using optimized hydrogenated amorphous silicon... withstands mechanical shocks/ sand abrasion, water-repellent (passive droplet rolling self-cleaning)... up to 97.2% conversion efficiency... improved imaging resolution, advanced beam shaping... plasma-enhanced chemical vapor deposition... 3.23 at 635 nm peak value tunable refractive indices by adjusting chamber pressure... outdoor imaging, environmental sensors, and wearable optics, mobile devices, autonomous vehicles/ LiDAR, space, AR"

https://phys.org/news/2025-07-perovskite-layers-capabilities.html "interaction between layers determines how material absorbs, emits, controls light... applying pressure significantly increased photoluminescence (brightness)... continuous tunable color: green to yellow to red... applying very large pressure made it started glowing differently, signaling improved light handling... squished more in 1 direction than others causing internal structure became less twisted unlike similar materials becoming more twisted... optics/ electronics tuned/ optimized toward devices like LEDs, PVs"

https://www.eurekalert.org/news-releases/1092853 "atomic layer deposition applying ultra-thin material layers coats all areas of chips containing billions of transistors, including areas that should stay clean... overcome using UV-enabled atomic layer deposition making surface sticky using UV, then applying coating which only attaches where UV applied,,, oxide coatings help direct electricity flow through each transistor, improving the overall efficiency of the chip... cuts 4 or 5 manufacturing steps down to 2, reducing time, materials, quantity of toxic chemicals"

https://www.eurekalert.org/news-releases/1092648 "2D monolayer tungsten diselenide semiconductors have excellent electronics/ optics... heated introducing small number of defects, artificially break crystal symmetry resulting in bright/ dark excitons luminescence peaks... applied magnetic field (even relatively weak) significantly increased emission intensity... photon antibunching shows photons emitted 1 by 1... secure, efficient, and compact quantum information devices"

https://www.eurekalert.org/news-releases/1092778 "holographic display with large field of view, large eyebox, image quality... uses light's reflecting intensity, phase (way waves synchronize)... mixed reality seamless melding of holographic imagery/ real world views... waveguide steers image to viewer’s eye... AI-calibration method optimizes holographic image quality/ 3D... large field of view/ area in which pupil can move still seeing entire image enhancing crispmess/ focus, immersiveness... no neck/ eye fatigue even with all-day use”

https://www.eurekalert.org/news-releases/1092647 "replaces increasingly expensive vanadium... predicts metallic alloys'  in additive manufacturing... prints more evenly, avoiding column-shaped microstructures leading to uneven mechanical properties in some 3D printed alloys... aerospace, automotive, medical devices"

https://www.eurekalert.org/news-releases/1092322 "free water contributes to parasitic chemical reactions, degrading anode/ compromising battery lifespan... zinc sulfate acts as glue stabilizing bonds in free water changing its dynamics... may also have same effect on other metal anodes, suggesting the inclusion of sulfate salts into the battery design could be a universal solution for lengthening the lifespan of all aqueous batteries... sulfate salts are cheap, widely available and chemically stable"

https://www.scmp.com/news/china/science/article/3319438/first-chinese-team-captures-rare-quantum-friction-effect-folded-graphene "friction did not increase as the material got thicker... instead, some of the thicker folds slid more easily... can help with the development of ultra-efficient machines and tiny devices that barely wear out... low-power nanodevices and controlling friction in advanced quantum materials... bending changes how electrons move inside the material, locking them into fixed energy levels and making it harder for motion to turn into heat"

https://newsroom.ucla.edu/stories/semiconductors-combined-magnetic-elements-ucla-method "magnetic elements such as cobalt, manganese, iron added to semiconductors, superconductors, or topological insulators... magnetic atoms clump undermining control, overcome alternately stacking 2D semiconductor sheets/ self-organized magnetic atoms' layers, allowing each component to retain ordered arrangements/ intrinsic properties while giving rise to new collective behaviors... powerful, energy-efficient, less heat enabling smaller chips... raises temperature at which quantum computers operate"

https://www.eurekalert.org/news-releases/1092375 "resembles short segment carbon nanotubes... overcomes restricted electron flow to localized regions by introducing curvature/ moderate strain while allowing electrons to move more freely across molecule... made electronically functional by embedding non-alternant units... Diels–Alder reaction assembles molecular building blocks, removing oxygen atoms to form stable, fully conjugated rings, yielding 2 carbon nanobelts emitting bright red light under UV/ exhibiting small energy gaps... organic LEDs, solar cells"

https://www.eurekalert.org/news-releases/1092320 "superconductivity development in materials with defects: isolated regions appear where superconductivity begins to emerge, then as temperature drops these regions connect allowing current flow throughout entire sample... when disorder coordinated rather than chaotic, superconductivity emerges simultaneously throughout entire system... aid in thin superconducting film development... controlling defect placement in advance at microscopic level enables operation at much higher temperatures, potentially room temperature"

https://news.cgtn.com/news/2025-07-19/China-develops-new-method-to-mass-produce-high-quality-semiconductors-1F8iTEyEwVi/p.html "heat amorphous indium selenide film/ solid indium under sealed conditions, vaporize indium atoms, forming indium-rich liquid interface at film's edge, producing indium selenide crystals maintaining regular atomic arrangement in 1:1 ratio... overcomes bottleneck to engineering applications... 5-cm-diameter indium selenide wafers, constructed large-scale high-performance transistor arrays suitable for integrated chip devices... high-performance, low-power chips: AI, autonomous driving, smart terminals"

https://www.eurekalert.org/news-releases/1092166  "quantifies material's edge's spin accumulation due to spin Hall effect, large effect crucial for developing energy-efficient, high-speed, durable, non-volatile magnetic memory devices... calculation as performance indicator was affected by varying spin current definitions leading to inconsistencies, overcome using direct measurement... 1st-principles calculations relying on quantum mechanics... advances microscopic understanding of spin Hall effect enabling development of advanced spintronic devices"

https://www.eurekalert.org/news-releases/1092344 "due to the newly designed antennas, these electric fields reach several megavolts per centimeter strength... industry-compatible, light-driven, ultrafast optoelectronic technology.. electronic structure's real-time <1 picosecond control... optical/ electronic properties selectively altered using light pulses... complex 3D–2D nanoantennas produce strong/ coherent effect... signal controls. electronic switches, sensors: used in data transmission, cameras, lasers. communication, computing, imaging, quantum" Related: Monolithic optoelectronic circuit design for on-chip terahertz applications https://pubs.aip.org/aip/app/article/10/7/076117/3356061/Monolithic-optoelectronic-circuit-design-for-on

https://phys.org/news/2025-07-uncover-topological-excitonic-insulator-tunable.html "opological materials insulators, yet conductors at their boundary... topological phases influenced by symmetries, electronic energy band structure, interactions, but very few by spontaneous symmetry breaking... insulating energy gap forms at <100°K resulting from 0- momentum excitonic condensation breaking mirror symmetries, > 5°K additional finite-momentum excitonic condensate... finite-momentum condensate's wavevector tunable applying magnetic field... quantum technologies, spintronics, excitonics"

https://www.eurekalert.org/news-releases/1092460 "withstands constrained, dynamic, or infrastructure-poor environments... reduced latency distributed communication/ computation... on arrival already mostly processed making final computations fast/ efficient... adapts to damage, reroutes tasks elsewhere... coordinates wide range of devices work together intelligently, efficiently, resiliently, safely... sadapt to changing missions... smart cities, autonomous vehicles, remote sensing, industrial robotics, environmental monitoring, battlefield cloud computing"

https://www.eurekalert.org/news-releases/1092421 "optics collapsed into single, flat, ultra-thin subwavelength elements array controlling brightness, phase, polarization in exact same way... etched with nanoscale light-manipulating patterns... error-resistant, don’t require intricate alignments, robustness to perturbations, cost-effective, simple fabrication, low optical loss...  adding more qubits no longer requires a rapidly growing number of beam splitters and output ports... metasurfaces, especially for generating and controlling quantum light"

https://phys.org/news/2025-07-molecules-sunlight-chemical-energy-demand.html "molecular solar thermal (MOST): structurally change upon absorbing sunlight, release heat when triggered to return to original shape... Dewar isomerization: energy storage in chemical bonds... energy locked in for long periods, released using heat, specific wavelength light, or catalyst... absorb not only UV but visible light, solvent-free, >28 cycles with minimal fatigue... formation of isomers crucial... up to 170 kJ/mol, 0.65 MJ/kg energy storage densities... recharge within 6–8 hours... fully carbon-based systems"

https://techxplore.com/news/2025-07-modular-approach-scalable-quantum.html "more attractive option for building system networks... system enabling manipulation of 2 qubits jointly so as to create entanglement or gate operations between them... only find out that something went wrong after putting it together, overcome with system that can be taken apart/ put it back together... 2 devices connected with superconducting coaxial cables to link qubits across modules exhibits ~99% SWAP gate fidelity, representing less than 1% loss... scalable, fault-tolerant and reconfigurable quantum computers"

https://www.eurekalert.org/news-releases/1092126 "CO₂ laser transforms polyimide paper sheets into 3D graphene acting as: energy-storing electrode, electrical connector, structural support... scan density, power, speed optimized for graphene sheets with low electrical resistance/ strong electrochemical properties... hydrogel electrolyte doubles as separator... stacked tightly without metal current collectors/ external connectors... improved energy density/ voltage range... power: wearable sensors, flexible electronics, suitable for harsh/ space-limited conditions"

https://www.eurekalert.org/news-releases/1092026 "reducing effective (not physical) conjugation length—the distance across which π-electrons move freely through single/ double bond system—to form graphene, carbon, or polymer quantum dots with improved semiconductor photoluminescence/ electronic properties... without shrinking material itself, modulate exciton's radius which remains localized within material's building blocks/ recombining radiatively, resulting in strong 73% PL quantum yield... COFs in lighting/ optoelectronic equipment, chemical sensors"

https://thequantuminsider.com/2025/07/07/deterministic-entanglement-for-photonic-quantum-computing-atom-as-interface/ "single rubidium-87 atoms coupled to optical resonators generate single photons entangled through SWAP/ CZ gates... modular nodes reconfigured in real time to serve as photon sources, gate units, stitching modules, supporting flexible architectures... each atomic excitation yields exactly 1 photon, eliminating need for multiplexing/ heralding... intermediary atom computational gatekeeper not just photon source... >99.6% fidelity, no need for direct photon interaction, enabling scaling... fast, built for modular deployment"

https://www.eurekalert.org/news-releases/1091701 "low rates of optical modulation, overcome using modulation voltages controlling light field’s phase distribution/ optical coherence through  multiple coherence modes' superposition... 2nd-order field moment decomposed into incoherent superpositions of coherent modes, spectral degree coherence correlates with phase difference... 64 channel modulator, 2 MHz binary modulation rate... gold electrode array, Z-cut LN film, ground electrode... optical imaging, encryption, information transmission through random media"

https://www.eurekalert.org/news-releases/1092091 "quantum information systems' high accuracy/ low error involves difficult to scale trapped dilute gaseous atomic ions, tried using solid material, but then very sensitive to interference, overcome using scalable monolayer-protected gold clusters... electron spin direction/ its alignment with respect to other electrons in system directly impact quantum information systems' accuracy/ longevity, including spin-polarized states mimicing super-positions... high spin polarization maintain correlation/ accuracy for much longer time"

https://www.eurekalert.org/news-releases/1091830 "electromagnetic wave pollution overcome using heterogeneous absorbing materials, whose structure formed by hard/ soft magnetic materials producing interfacial exchange coupling at heterogeneous interface, but insufficient heterointerface/ impedance mismatch and lack of good exchange coupling strength... overcome using 2D Fe3C/ZnFe2O4/C exhibiting wide 4.56 GHz EAB, -65.6 dB RLmin value... layer-to-layer stacking/ reduced graphene oxide enables effective 5G shielding in the form of flexible film"

https://www.eurekalert.org/news-releases/1091866 "integrates Su-Schrieffer-Heeger electron-phonon coupling with Hubbard electronic interactions, showing that interplay between electron-phonon coupling and Hubbard interaction is key... intricate competition among s-wave superconductivity, d-wave superconductivity, and stripe charge-density order. Crucially, the study identified that Su-Schrieffer-Heeger-induced effective antiferromagnetic exchange interactions are pivotal for stabilizing d-wave superconductivity"

https://www.eurekalert.org/news-releases/1091900 "conventional thermoelectric devices rely on inorganic semiconductors which are expensive, but organic ones rely on polymer film cheaply processed from solution... polymers form crystalline regions in film, and device achieves best performance when these regions line up edge-on because charge can then move more easily from hot to cold end of device... ideal match for polythiophene polymer and 3 dopants, maximizing polymer’s desirable edge-on orientation... produces 20X more power"

https://www.sciencedaily.com/releases/2025/06/250621233816.htm "0-level distillation quantum noise reduction dramatically reduces number of qubits/ computational resources needed... single high-fidelity quantum state prepared from many noisy ones traditionally very computationally expensive requiring many qubits, overcome by expediting high-fidelity state preparation... fault-tolerant circuit developed at physical qubit or 0 level... several dozen times decrease in spatial/ temporal overhead... larger-scale quantum computers that can withstand noise" Related: Magic states empower error-resistant quantum computing https://www.sciencenews.org/article/magic-error-quantum-computing

https://www.eurekalert.org/news-releases/1091180 "ultrabroadband, mechanically deformable... combines p-/ n-type chemical carrier imager channel doping: pn junction-based semi-CNTs improves inherent bottlenecking giant noise/ insufficient photo-absorption of doping... comparable photo-detection sensitivity to existing bulky devices... wireless by synergising inherent high thermoelectric conversion efficiency/ enriched electrical/optical properties, into advantageous >10X large photo-detection responses (up to tens of mV)... omni-direction multi-band remote controllable"

https://techxplore.com/news/2025-07-chaos-modulated-metasurface-physical-layer.html "no encryption keys or adding protection after messages created... integrates into existing wireless systems without modifying transmitter, receiver, communication protocol... chip controlled metasurface mirror for radio signals using chaos-based logic generating unique pattern each time signal sent, part of surface sends signal clearly in direction of intended receiver, rest scrambled... chaos better than random number generators... even if moving, reduced size... smart sensors, drones, wearables"

https://news.stanford.edu/stories/2021/11/simpler-design-quantum-computers "laser manipulates single atom modifying photon's state via quantum teleportation... atom can be reset/ reused for many quantum gates, reducing complexity to only: fiber optic cable, beam splitter, pair of optical switches, optical cavity, memory storage ring of circulating photons (1 photon = 1 qubit, direction = 0 , 1, 0/1 at same time if multiple directions simultaneously)... direct photon to scattering unit cavity containing single atom... photon/ atom entangle, photon returns to storage ring, laser alters atom's state"

https://phys.org/news/2025-07-physicists-holy-grail-electron.html#google_vignette "in antiferromagnet spins cancel so no external magnetic field produced, so difficult with sub-mm samples: detecting spin motion within antiferromagnets/ control of spin motion... µm-scale devices with strong signals, using tunnel junctions detecting spin motions electrically, nearly 1,000X smaller... spin direction change causes electrical resistance change, enabling spin dynamics measure at high speed... control spins using spin-orbit torque, twisting layers breaking symmetry... ultra-fast high frequency information transfer"

https://phys.org/news/2025-07-giant-nonlinear-nernst-effect-trilayer.html "applied sinusoidal current to heater, inducing temperature gradient fluctuating 2X frequency... 4th harmonic transverse voltage, 2nd-order response to temperature gradient unlike conventional linear response... up to 300 µVK-1 giant effective Nernst coefficient at 2 K in ABA trilayer graphene, 2 orders magnitude larger... more compact thermoelectric devices... future: room temperature instead of <12°K, explore other time-reversal invariant/ non-centrosymmetric materials, use of 3D instead of 2D materials"

https://www.eurekalert.org/news-releases/1091707 "overcoming optical interconnect chips' bandwidth limits enables non-volatile intelligent programmable  optical transceiver chips... low crosstalk, lower-power connections, smaller footprint... integration onto silicon PN junctions uses silicon photonics back-end-compatible process... 100 Gbps On-Off Keying modulation/ detection per micro-ring, global temperature control... high-density, low-power optical interconnect chips... data center interconnects, high-speed communication networks"

  https://www.eurekalert.org/news-releases/1091650 "layered using chemical vapor transport, enhancing stability, durability... up to 320°K Curie temperature, record-high 52.3 emu/g saturation magnetization enhancing device integration, complex magnetocrystalline anisotropy, multiple easy axes for magnetic orientation... relative cooling power, maximum magnetic entropy change high up to 242 J/kg and 3.26 J/kg K under 6 T... heterostructures, spintronics, magnetic refrigeration, magnetic tunnel junctions, Hall sensors, spin valves, magnetic memory/ logic, advanced electronics"

https://www.eurekalert.org/news-releases/1091434 "existing fabrication compatible, low cost, faster, more energy-efficient computer write memory... generates spin currents in multiple directions, enabling field-free magnetic state switching without need for external magnetic fields... works using Ni₄W both on its own and when layered with tungsten... high-speed spintronics smart watches, smartphones, data centers" Related: Magnetization switching by asymmetric topological surfaces https://www.eurekalert.org/news-releases/1093232

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"

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"

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"

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"

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"

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"

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"

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"

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"

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"

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"

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"

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"

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"

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"

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" Related: IEEE study achieves efficient integration of quantum dot lasers on silicon chiplets https://www.eurekalert.org/news-releases/1091524

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"

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"

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"

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"

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"

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"

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

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" Related: New scheme mitigates self-discharging in quantum batteries https://phys.org/news/2025-07-scheme-mitigates-discharging-quantum-batteries.html

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"

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"

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." Related:  Los Alamos National Laboratory approach theoretical limit in QD light-absorption/ emission https://www.yahoo.com/news/articles/scientists-achieve-astonishing-breakthrough-could-100015131.html

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"

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"

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"

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"

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

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"

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"

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”

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

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"

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"

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"

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"

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"

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"

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"

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" Related: Breaking the crystalline barrier: Amorphous nanomaterials in advanced photocatalysis https://www.eurekalert.org/news-releases/1091820

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"

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 "

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 "

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"

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"

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" Related: New algorithm enables efficient machine learning with symmetric data structures https://techxplore.com/news/2025-07-algorithm-enables-efficient-machine-symmetric.html

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"