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Showing posts from October, 2025

Organic tunnel transistors address energy-efficiency limitations of conventional thin-film transistors used in flexible and wearable electronics

https://techxplore.com/news/2025-10-thin-tunnel-transistors-wearable-small.html "thermionic limit sets minimum required voltage for efficient electrical current switching... operates below thermionic limit, replacing standard thermionic injection mechanism with band-to-band tunneling quantum mechanical process... hybrid inorganic-organic source-channel heterojunction combining: deep-conduction-banded inorganic metal oxide molybdenum trioxide/ single-crystalline thin film... compatible with existing fabrication... record signal amplification efficiency... ultra-low-power, energy-constrained applications"

Intrusion–Extrusion Triboelectric Nanogenerator converts mechanical energy into electricity using water confined in nanopores of silicon

https://www.eurekalert.org/news-releases/1102963 "pressure repeatedly forces water into/ out of nanoscale pores in water-repellent nanoporous silicon monolith... up to 9% energy conversion efficiency... friction electricity generated at solid silicon/ liquid water interface... no exotic materials... autonomous, maintenance-free sensor systems in applications such as water detection, smart garments for sports and health monitoring, and haptic robotics"

Ultra-compact hybrid low-dropout regulator improves power management in semiconductor devices like those used in AI and 6G communications

https://techxplore.com/news/2025-10-ultra-compact-semiconductor-power-gen.html "analog + digital circuits in minimal footprint ideal for highly integrated System-on-Chips: 0.032 mm² when made with 28-nm CMOS process thanks to elimination of bulky external capacitors... digital-to-analog transfer method/ local ground generator for stable power delivery/ effective noise filtration, even during rapid changes in current demand... 54 mV voltage ripple during rapid 99 mA current swings, voltage restored in 667 ns., –53.7 dB power supply rejection ratio at 10 kHz with 100 mA load... 0.029 Figure of Merit"

Falsafi's Midgard compartmentalizes virtual memory, allowing data center programs to quickly find workspace/ enables hardware access checks

https://techxplore.com/news/2025-10-reinventing-technology-benefit-centers.html "replaces outdated, inherently slow virtual memory management where single machine has to run many different programs for many different users simultaneously... oblivious to application developers... order of magnitude higher performance/ efficiency... rack-scale computing with a purpose-built collection of servers that behave as a single computer in a data center... with network fabrics that connect an entire rack of servers together, cloud services can use all hardware, not just memory, more efficiently in data centers"

Dual torque from electron spins drives magnetic domain wall movement in artificial antiferromagnetic thin film, a major step forward in spintronics

https://phys.org/news/2025-10-dual-torque-electron-magnetic-domain.html "faster, smarter, more energy-efficient electronic devices... spintronic memory reading or writing requires efficiently shifting domain walls... artificial antiferromagnetic thin film of cobalt/ Iridium/ platinum alternating layers... 2 cobalt layers coupled aligning magnetic moments in opposite directions... platinum layers generate electron spin streams via Spin Hall Effect spin torque on cobalt layers' magnetic moments... spin torques from top/ bottom platinum layers combine as dual-torque moving domain walls"

High-quality synthetic boron arsenide achieves thermal conductivity exceeding 2,100 W/mK at room temperature, potentially higher than diamond

https://www.eurekalert.org/news-releases/1102815 "improved synthesis techniques/ purifying raw arsenic to produce cleaner crystals... also effective semiconductor, potential silicon replacement in electronics... easier and cheaper to manufacture than diamond, which was previously considered the best thermal conductor, and possesses properties—like a wider band gap and much higher carrier mobility—that could lead to significantly better thermal management in devices such as cell phones, high-powered electronics, and data centers"

Novel motor topology and modulation strategy enhances efficiency and precision in high-power motor drives

https://www.eurekalert.org/news-releases/1102574 "4-level modulation strategy for dual 3-phase open-winding permanent magnet synchronous motor drive, using 2:1:1 DC-link voltage ratio across 3 DC sources to achieve 4-level effect... average current Total Harmonic Distortion reduced >29%, use of Unified Duty Ratio Compensation enabled 50% further reduction during voltage deviations... switching frequencies significantly reduced... EV propulsion, aerospace actuators, industrial automation" Related: Energy-efficient predictive control strategy boosts performance of electric vehicle drives https://www.eurekalert.org/news-releases/1102558

Magnetic jamming allows materials to switch from a stiff, solid-like state to a soft, fluid-like state using only wireless magnetic fields

https://www.eurekalert.org/news-releases/1102173 "traditionally relies on difficult to miniaturize vacuum pumps/ tubing, overcome using magnetic composite particles that can be made to attract/ cling to one another stiffening material when magnetic field applied... falls apart softening material when field switched off... mm-sized, dice-shaped particles made from magnetic and non-magnetic materials surrounded by wireless magnetic coils controlling aggregation... future: scale down to µm-level for microrobotics, smart materials, biomedical, micro-manipulation"

Chip-scale processor and 3D-printed antenna arrays using ink based on copper nanoparticles, for flexible and wearable wireless systems

https://www.eurekalert.org/news-releases/1102169 "antennas remain stable/ high-performing even when bent or exposed to high humidity/ temperature variations, salt... processor chip can correct errant signals from the flexible antenna in real-time, compensating for material deformation and vibrations... smart textiles, drone or aircraft communications, edge sensing, and various applications in the auto, aviation, and space industries"

Nano-scaled core-sheath ceramic aerogel demonstrates favorable thermomechanical properties/ thermal superinsulation performance

https://www.eurekalert.org/news-releases/1101496 "ceramic aerogels typically highly brittle, overcome using unitary structured dual-phase nanofibrous core for ultra- flexible deformation/ nanoporous sheath for thermal superinsulation... introduces numerous nanopores suppressing air conduction, resulting in a κ less than 24 mW·m−1·K−1... enables all nanoporous aerogels to be orderly assembled onto fibers' surface, increasing stability... mechanical flexibility with compressive strain up to 80%, fracture strain up to 21.9%, bending strain up to 100%... up to 1,300°C working temperature"

Comb-like crosslinked polymer-polyoxometalate nanocomposite achieves unparalleled proton conduction/ mechanical robustness without water

https://www.eurekalert.org/news-releases/1102155 "self-assembly enables precise control: polyoxometalate hybrid comb-like crosslinked polymer networks integrate polymer scaffolds with superacidic phosphotungstic acid clusters in PEM high-temperature fuel cells... overcomes: struggle with rapid conductivity loss under anhydrous conditions >100°C, trade-off between conductivity/ strength... proton conductivity: 8.5 × 10−4 S·cm−1 at 130 °C, up to 18.1 MPa mechanical strength, consistent operation >160 hours, thermal stability at >150 °C"

Super-fast/ efficient superconductive artificial neuron devices tolerant to parameter fluctuations of up to 20% during circuit fabrication

https://www.eurekalert.org/news-releases/1102332 "digitally processed magnetic flux quantum signal carrier based on tiny magnetic fields, determined by physical constants... mitigates performance degradation in large-scale neural networks reliant on analog neuron circuits' sensitivity to variation in elemental characteristics... this robustness due to the inherent digital nature of single flux quantum logic enabling ideal input-output... Rectified Linear Unit activation function solves vanishing gradient problem... massive, complex brain-like circuits for neuromorphic computers"

Dual-laser writes/ bends, creating adaptive shape-locking magnetic composites in situ, allowing on-demand reprogramming/ adaptive functionality

https://www.eurekalert.org/news-releases/1102183 "writes new instructions into material using high-intensity laser, precisely heating tiny spot above 85°C, melting internal magnetic microcapsules, then, external magnetic field orients freed magnetic particles encoding specific instruction before spot rapidly cools locking new programming in place... to bend, 2nd low-intensity laser warms larger area above 60°C, softening material's shape-memory polymer skeleton, making pliable... 2nd magnetic field then acts on written instructions, guiding material to fold, twist, bend"

Barium titanate converts electron- into photon- carrying signals; could power quantum computing and cut data center energy use

https://phys.org/news/2025-10-school-material-power-quantum-center.html "barium titanate reshaped into 40 nm metastable strained thin films converts at room-temperature for fiber optics by >10X than when in bulk form at cryogenic temperature for superconducting qubits... but metastable phase created here not only avoids this cryogenic conversion drop, but also shows exceptional response... future: test concept with other materials... modulators, switches, sensors, quantum communication via fiber optics"

Composite metal foam durable against heat has high strength-to-weight ratio; applications include car engines, aerospace, nuclear containment

https://www.eurekalert.org/news-releases/1101019 "withstands repeated heavy loads even at 400 to 600°C... foam: hollow spheres of stainless steel, nickel, or other metals/ alloys embedded in metallic matrix... absorbs compressive forces... better heat insulation than conventional metals/ alloys... jet engine vane/ ducts/ exhaust flaps, turbine blades, hypersonic vehicle airframes/ hot trailing wing edges, gas/ steam turbines, car brakes, nuclear reactor fuel cladding, storing/ transporting nuclear material, hazardous materials, explosives, vehicle armor, body armor."

Six stacks of semiconductors for hybrid CMOS microchips advances miniaturization for large-area electronics, toppling previous record of two

https://www.eurekalert.org/news-releases/1101744 "miniaturization crucial for flexible electronics, smart health, IoT, but current design approaches are reaching quantum mechanical limit/ skyrocketing cost, overcome using vertical stacking... fabrication mostly at room temperature, none beyond 150°C, so no damage to bottom layers as new layers added... layers' surfaces kept smoother, better aligned... scaling vertically: increasing functional density far beyond today's limits"

Nitrogen's synergistic hardness-toughness enhancement overcomes conventional trade-off in ceramics such as transition metal carbides

https://www.eurekalert.org/news-releases/1102393 "single-phase solid (Ti, Zr)C carbide ceramic doped with 25% nitrogen content, restricting dislocation formation/ movement by reducing stacking fault energy, then high-temperature aging triggering spinodal decomposition, creating complex lamellar nanostructure... both harder/ more cracking resistant... 40% hardness increase, 50% fracture toughness increase... excessive nitrogen content or over-aging detrimental... high-temperature equipment, machining/ cutting tools, wear-resistant components, aerospace engines" Related: Electrospun nanofiber‑based ceramic aerogels: Synergistic strategies for design and functionalization https://www.eurekalert.org/news-releases/1102351

Deep-subwavelength light confinement/ control without dissipation, for efficient information processing, quantum optics, high-resolution imaging

https://www.eurekalert.org/news-releases/1102339 "singular dispersion equation gives rise to narwhal-shaped wavefunctions, combining local power-law enhancement with global exponential decay, trapping light in lossless dielectrics... electromagnetic eigenmode field distributions' rapid decay across space enhances energy density per unit volume, achieving strong spatial confinement/ light–matter interaction strength... avoids ohmic loss, enabling compact, energy-efficient photonic devices... also developed near-field scanning optical microscopy technique"

Sensitive laser-powered antenna utilizing all-optical quantum radio receiver based on Rydberg atomic properties provides internal calibration

https://www.eurekalert.org/news-releases/1102028 "replaces antenna/ electronic mixer with new medium: atoms released from rubidium placed in glass cell vacuum harnessed for 3-laser controlled choreography... rubidium vapor, sealed enclosure, lasers convert radio waves into infrared radiation... non-invasive measurements enable recording weak fields without metal antenna disturbance... concealable wiretap... future: detector could take form of mere thickening on optical fiber containing lasers, as well as received IR, sent in opposite direction in optical fiber"

Low-cost 1-step generation/ transmission of fiber-coupled single-photons at room temperature for powering future quantum internet

https://www.eurekalert.org/news-releases/1101989 "silica fiber doped with Nd3+ ions emitting photons across wide range of wavelengths including telecom standard, fiber then tapered wherein fiber section heated/ pulled gradually reducing thickness enabling accessing spatially separated individual Nd3+ within tapered section for selective laser pumped excitation... carries quantum information with extremely low loss... cost-effective, wavelength selectable, integrates into existing networks for all-fiber-integrated quantum communication networks... multi-qubit processing unit"

Crystals with iridescence in time instead of space could significantly boost the power of quantum computers; can also be used as frequency combs

https://www.eurekalert.org/news-releases/1101937 "time crystals, defined by their lowest possible energy state which perpetually repeats movements without external energy input, made part of optomechanical system that can adjust the crystal’s properties... radio waves pump magnons into near-absolute 0 Helium-3 superfluid, then pump turned off whereby magnons formed time crystal on top staying in motion up to 108 cycles/ several minutes before fading, whereby time crystal connected itself to nearby mechanical oscillator, adopting same frequency/ amplitude"

Lithium chloride electrolyte utilizes in-situ anion receptor to enhance ion conduction while maintaining stability at highly elevated concentrations

https://bioengineer.org/stable-licl-electrolyte-with-in-situ-anion-receptor/ "in-situ synthesis also enhances selectivity in ion transfer, ensuring lithium ions preferentially conducted over other, potentially harmful ions, reducing risk of side reactions... lower viscosity/ favorable thermal behavior improves electrochemical stability... sustainable materials, longer lifetime, safer, reduced internal resistance, increased efficiency... future: performance/ safety optimization, scalability/ production, applicability to other types of ionic liquids/ salt solutions... grid storage, renewable integration, portable electronics"

Striking gold nanoparticles with fast single laser pulse enables growing lead halide perovskite crystals at precise times/ locations

https://www.eurekalert.org/news-releases/1101511 "no complicated steps or need for seed crystal to jumpstart process... laser heat leads to crystallization... future: larger and more complex patterns, multiple lasers of different colors for more intricate crystal patterns, attempting to create entirely new materials that can’t be made through conventional methods... more efficient solar panels, brighter LEDs, advanced electronics, medical imaging"

First successful peeling of bamboo green into micrometer-scale optical films (10 μm) via a bioinspired peroxyformic acid strategy

https://www.eurekalert.org/news-releases/1102020 "scalable/ stable high-yield production, 80% transparency with monolayer cellular structure preserved intact... 0.41% absolute photoelectric conversion efficiency enhancement in solar cells, native cellulose alignment and wax-cellulose interfaces enable 88% broadband light-scattering haze... squid-inspired peeling: peroxyformic acid selectively disrupts parenchyma cell bonds, preserving cellulose structure... retains native cellulose I crystallinity (64.76%) and uniaxial fibril alignment (Hermans factor: 0.23)."

Single transparent silicon polymer processed, using laser, into either radiative cooling or solar heating material, without requiring electricity

https://www.eurekalert.org/news-releases/1101723 "applying this material to building roofs improves efficiency, reducing annual heating/ cooling energy costs by up to 26.5%... controlling laser's output intensity changes material's optical/ thermal properties: high-power laser transforms surface into white porous structure (SiO2-centered) reflecting sunlight lowering temperature 5.89°C, low-power laser creates black porous structure (SiC-centered) absorbing sunlight heating surface to 58.1°C... also, temperature differences enable thermoelectric generators"

Extra silver atom enables 77X increase in photoluminescence quantum yield of high-nuclear silver nanoclusters at room temperature

https://www.eurekalert.org/news-releases/1101722 "incorporation of just one extra silver atom, guided by ligand design, can drastically boost performance... additional silver atom in silver 79 nanoclusters enhanced radiative decay rates from symmetry reduction... also made the cluster more rigid suppressing non-radiative decay pathways that typically diminish luminescence efficiency... opens pathway to rationally engineer efficient light-emitting nanoclusters through atomic-level structural modifications.,, LEDs, bioimaging, catalysis, optoelectronics, sensing"

A-Textile: 7.59g multi-layered fabric patch uses clothing's static electricity to let you chat with AI and control smart devices with 97.5% accuracy

https://techxplore.com/news/2025-10-fabric-patch-static-electricity-chat.html "turns clothing into a kind of voice-activated microphone... sensors often bulky, rigid, uncomfortable, struggle to hear soft/ normal speaking voices, overcome with triboelectricity... moving makes layers rub together creating tiny electrostatic charge which vibrates slightly as you speak, generating 21 volt electrical signal representing your voice, boosted by embedded flower-shaped nanoparticles capturing charge/ preventing dissipation... signal sent wirelessly to smartphone/ computer hosting deep learning model"

Plasmon-induced resonance energy transfer, with 40% efficiency, photochemically enhances polymer growth on single gold nanorod

https://phys.org/news/2025-10-driven-reaction-advanced-hybrid-nanomaterial.html "Light-driven reaction, mainly involving singlet molecular oxygen, leads to hybrid nanomaterial generation/ tetroxide decomposition... light rather than heat driven chemical reactions more efficient... energy moves from plasmonic metal nanoparticles to semiconductor or molecule without need for physical contact... resonant energy transfer from gold nanorod to synthetic blue dye molecule converts light energy into different forms until it becomes part of hybrid polymer... energy-efficient chemical reactions" Related: Efficient PET-RAFT polymerization achieved by using low-toxicity shortwave infrared CuInSe₂/CuInS₂ quantum dots https://phys.org/news/2025-10-efficient-pet-raft-polymerization-toxicity.html

Overcoming trade-off between speed and thermal stability in 120 nm short-channel top-gate amorphous indium tin oxide semiconductors

https://techxplore.com/news/2025-10-super-thin-semiconductor-thermal-stability.html "high-speed, high-frequency, low-cost, low-temperature, large-area, chip-compatible processing with high carrier mobility, but thermal conductivity inherently low... overcome using high-thermal-conductivity silicon carbide substrate for power amplification above 10 GHz RF, also in DC current... eliminates self-heating even under 3V/ 125°C... future: thin-channel materials for back-end-of-line-compatible electronics, enabling scalable/ energy-efficient RF integration... high-speed: RF power amplifiers, data communications"

Mechanical sound wave control by twisting 2 layers of metasurfaces patterned with microscopic pillars, at different angles relative to each other

https://www.eurekalert.org/news-releases/1101411 "switching between different topologies that govern wave direction to find magic angle focusing/ guiding sound vibration spread for faster, more efficient signal processing... greater broadband signal control across wide range of frequencies... enables quickly adjusted wave behavior, improving information transmission... facilitates the design of systems with greater resistance to glitches due to fabrication imperfections... sensing, communication, signal processing, ultrasound, microfluidics, chip-scale devices"

Temporally oscillating magnetic field generates Floquet scattering resonances enabling atomic interaction magnetic control in ultra-cold gas

https://phys.org/news/2025-10-atomic-interactions-ultracold-gas-button.html "atoms' attraction/ repulsion, resonances, scattering behavior controllable over wide range by manipulating magnetic field oscillation's strength/ frequency using external magnet... this wide range control goes beyond using Feshbach scattering resonances where quantum mechanical systems' interaction was fixed at single value... quantum gases achieving previously unattainable states, dynamically generating bound states... manipulation analogous to using push button controls"

Room-temperature magnetic levitating rotor in near vacuum eliminates eddy-current damping for ultraprecise classic/ quantum macroscale sensors

https://www.eurekalert.org/news-releases/1100993 "levitation isolates rotors' torque/ angular momentum to more accurately measure gravity, gas pressure, momentum, linear acceleration... diamagnetically levitating rotor: 1 cm graphite disk floating above 3 round magnets stacked... eddy currents forming inside material resists motion a bit like frictional drag, hindering measurements, overcome with plate design experiencing only slight eddy-current damping inside silica-coated graphite grains but no damping in rotor... cooling/ slowing rotation makes motion quantum"

Devices electronicly cool at up to 3kW/ cm−2 heat dissipation with 3-tiered structure in single-phase integrating of microfluidic components

https://bioengineer.org/high-performance-microchannels-for-electronic-cooling-solutions/ "microchannel cooling boosts longevity/ performance... coolant channel (tapered manifold) top layer directs water down to microjet layer directing coolant down to sawtoothed sidewall microchannels maximizing surface area contact between coolant/ heated surfaces... low thermal resistance manages elevated temperatures without overheating/ failure, low 0.9 W/ cm−2 pumping power need minimizes cooling system component wear... MEMS fabrication on silicon substrate... telecommunications, AI, renewable energy"

Programmable, stable, and scalable multimode bosonic entanglement generation across 2, 3, and 5 modes using dissipative engineering

https://phys.org/news/2025-10-multimode-quantum-entanglement-dissipation.html "overcomes environmental noise, transforming dissipation into resource generating specific squeezed entangled states through precise laser control of trapped ion chain, from initial thermal states, achieving >84% fidelity... dissipative spin/ vibrational mode coupling engineering, enabling programmable control over specific dissipation processes... entangled target quantum state system's sole steady state, driving other states to spontaneously evolve toward it, exhibiting autonomous stabilization... multi-parameter estimation"

Operating electronic components, such as for mobile phones and internet data, using light rather than just electricity

https://www.eurekalert.org/news-releases/1101318 "electron gas generation by illuminating oxide layered material, when switched off gas disappears... much faster, more energy-efficient, simpler operation... eliminates up to third of chip's electrical contacts saving around billion electrical contacts on computer processor alone... also, ultra-sensitive optical detectors where for same electrical voltage light boosts current produced up to 100,000X stronger than in dark... these gases occur naturally in certain semiconductor materials... electronics, spintronics, quantum computing"

Building more energy-efficient, high-speed, and low-power MRAM/ information rewriting at room temperature

https://www.eurekalert.org/news-releases/1100960 "magnetization insulator reversal achieving spin-orbit torque of microscopic magnets atop 3 nm thick platinum film on top of thulium iron garnet, by applying current (not magnetism)... cheaper, existing on-axis magnetron sputtering mass production method, where atoms are knocked-out of film, then deposited on substrate layer by layer... 0.7 x 1011 A/m2 data writing efficiency comparable to conventional methods... AI”

Ultra-thin, large-area QLEDs closely matching solar spectrum for eye-friendly screens, lighting; wavelength-tunable for horticulture/ wellness

https://www.eurekalert.org/news-releases/1101394 "full spectrum including difficult to produce yellows/ greens... low 11.5 (as low as 8) V... built QLED on top of indium tin oxide glass substrate, depositing: electrically conductive polymer layers (each 10s of nm thick), quantum dot mixture, metal oxide particles, and aluminum or silver top layer... final white QLED wallpaper-like thickness... sleep and eye health: more red/ less blue... >92% on color rendering index... 80% of QLED devices using various conductive materials exceeded brightness target for phone/ computer screens"

THz light reversibly switches structurally ordered ferroaxiality in non-volatile memory between clockwise/ counterclockwise rotational patterns

https://www.eurekalert.org/news-releases/1101495 "states switchable by magnetic or electric fields vulnerable to external influences/ degrade over time... overcome using ferroaxial rubidium iron dimolybdate hosting vortices of electric dipoles positionable in opposite directions without creating net magnetization/ electric polarization, made easier to control using circularly polarized THz pulses for switching... adjusting circularly polarized light's helicity (twist) pulses selectively stabilizes clockwise or anti-clockwise rotational arrangement of the electric dipoles”

MXene current collectors, which direct electrical current to electrodes, could reduce size/ weight and improve recyclability of Li-ion batteries

https://www.eurekalert.org/news-releases/1101542 "perform as well as copper foils which constitute nearly 15% of battery weight, but are 3 to 4X thinner/ about 10X lighter... translates chemical energy into electrical current... MXenes: exceptional electrical conductivity, excellent flexibility, high mechanical strength, electrochemically stable in acidic/ corrosive electrolytes, dispersible in water enabling easy processing... also for use in lightweight batteries for drones or other flying vehicles"

First fully functional memory chip only a few atoms thick integrated into conventional silicon chip for more powerful/ energy-efficient electronics

https://techxplore.com/news/2025-10-scientists-world-chip-combines-2d.html "only simple chips could be constructed with 2D materials like graphene, and wasn't easy connecting to traditional processors, overcome with full-featured 2D silicon-based hybrid flash memory chip enabled by ATOM2CHIP technology... grows memory material only a few atoms thick directly onto a standard silicon chip... new type of packaging to protect fragile 2D materials from stress, heat and static electricity... tested running at 5 MHz... faster, handles complex operations"

Detecting/ controlling individual electrons trapped on superfluid helium above 1°K reduces cooling demands 100X for scalable quantum computing

https://phys.org/news/2025-10-individual-electrons-easing-cooling-limits.html "EeroQ quantum computing company pioneering electron-on-helium technology... this world-first demonstration achieved using on-chip superconducting microwave circuit with superfluid helium filled microchannel... enables larger/ more practical quantum processors... electrons on helium can provide exceptionally pure/ long-lived qubits"

High spin splitting energy of germanium-tin semiconductors enables energy-efficient, fast, superior performance

https://www.eurekalert.org/news-releases/1100863 "group IV alloy semiconductors deliver beyond what silicon/ germanium alone can... compatible with existing silicon-based platforms... low in-plane heavy hole effective mass, large g-factor, anisotropy... low-power spintronics, qubits exhibiting long coherence times, thermoelectrics, on-chip lasers/ photonics, 5G/6G, AI"

User-friendly template for simulating quantum systems on consumer laptops, saving supercomputers for more complex systems

https://www.eurekalert.org/news-releases/1101185 "analyzing matter at quantum scale, where tiny particles interact in more than trillion configurations at once, often rely on supercomputers/ AI... overcome using truncated Wigner approximation... practical, user-friendly template allows usable results in hours... lower computational cost... keeps just enough quantum behavior to stay accurate/ discarding details that have little effect on outcome... no need to re-derive math from scratch each time applying method to new quantum problem, learn method in 1 day, proficient in 3"

Nanodiamonds placed in hybrid bullseye nanoantennas emit photons into single direction, achieving 80% efficiency at room temperature

https://www.sciencedaily.com/releases/2025/10/251007081833.htm "stream of single photons carry quantum information for quantum technologies, but much of this light is lost in all directions... overcome by producing this light stream by placing, within a few billionths of a meter, nanodiamonds containing defects (nitrogen-vacancy centers) exactly at the center of hybrid nanoantennas that are built from layers of metal and dielectric materials in precise bullseye pattern, guiding light in well-defined direction instead of letting it scatter... faster, more reliable, chip-based quantum networks"

Weak magnetic fields reverse permanent nanoscale loop electrical currents in quantum kagome metals, enhancing diode-like effect up to 100X

https://www.sciencedaily.com/releases/2025/10/251007081829.htm "enabled by quantum geometry/ spontaneous symmetry breaking... in quantum metals quantum effects normally only relevant at atomic scales become powerful enough to control macroscopic electrical properties... kagome metals cooled to -190°C inherently strongly amplify quantum effect where electrons form circulating currents creating wave-like patterns throughout material... electronic devices controlled by simple magnets: magnetic memory devices, ultra-sensitive sensors"

Hybrid film boosts electrical energy harvesting from motion by up to 450%

https://techxplore.com/news/2025-10-hybrid-boosts-energy-harvesting-motion.html "hybrid: microstructured barium titanate embedded into a poly(vinylidene fluoride-co-hexafluoropropylene) and poly(ethylene oxide) polymer matrix film interface... flexible, lightweight, self-sufficient, sustainable, significantly improves triboelectric nano -generator/ -sensor efficiency... generates up to 18 volts from smart infrastructure/ simple mechanical motions such as walking, wrist bending, surface tapping... wearable electronics, health monitoring systems, low-voltage devices"

Programmable electronic circuits for analog matrix transformation computations promises complex parallel processing at the speed of light

https://www.eurekalert.org/news-releases/1100979 "analog high-frequency RF/ microwave processors, including power-divider layer... not limited by transistor switching, digital processor clock speed, heat generation, energy efficiency... integrates device-level physics with system-level applications... unlike quantum systems which have scalability/ stability issues, this technology is feasible now... scalable real-time: radar, wireless networks, advanced communications, sensors, space technologies"

Powerful, energy-efficient, compact, precise, single chip multi-color lasers

https://www.engineering.columbia.edu/about/news/powerful-and-precise-multi-color-lasers-now-fit-single-chip "microcomb source spectrally separates comb lines... enables sending dozens of clean, high-power data stream channels simultaneously... no large/ expensive lasers/ amplifiers... locking mechanism purifies powerful but noisy multimode laser diode, relying on silicon photonics to reshape/ clean up laser’s output, enabling high coherence... wavelength-division multiplexing: dozens of beams in parallel through same fiber... portable sensors, ultra-precise optical clocks, compact quantum devices, LiDAR, data centers" Related: Programmable optical chip merges photons to change color https://phys.org/news/2025-10-programmable-optical-chip-merges-photons.html

Integrating waveguide physics into metasurface planar design achieves ultrahigh-Q flatbands and chiral responses for nanoscale light control

https://www.eurekalert.org/news-releases/1100927 "flatbands span entire nonlocal metasurface k-space selectively controlling for linearly/ circularly polarized light, extending coupled-resonator optical waveguide concept to metasurfaces... collective optics trap light producing sharper resonances/ stronger interactions with matter... tuned lateral coupling slows light to near 0 group velocity, boosting light–matter interactions with consistent resonance across different incidence angles... nonlinear quantum optics, advanced sensing, communications, compact flat-optics, sensing"

First optical thermodynamic-like device, for efficient chip-scale data routing, secure telecommunications, and high-performance computing

https://www.eurekalert.org/news-releases/1100847 "simpler/ more powerful nonlinear light routing not requiring switches, external control, digital addressing... 2-step process: expansion optical analogue, then thermal equilibrium, enabling light to find correct path naturally by following thermodynamic principles: expansion, compression, phase transitions... control of light and other electromagnetic signals”

Continuous, tunable control over transitions between quasiparticle-like topological states, for quantum computing, high-capacity optical networks

https://www.eurekalert.org/news-releases/1100921 "Poincaré sphere geometrics created/ manipulated nano-scale topological entities in soliton (skyrmion/ antiskyrmion, vortex) ferroelectric ultrathin films by tailoring laser's twist/ phase structure... laser beams ranging from Laguerre-Gaussian to Hermite-Gaussian modes imprint rich patterns onto ferroelectric films' polarization landscape... handedness control within trillionths of second... ultrafast, robust, smooth, entirely optical, unlike previous methods that often required complex electrical or mechanical manipulation"

Thin-film dichalcogenides are ideal candidates to replace silicon-based semiconductors due to exceptional electrical properties

https://phys.org/news/2025-09-method-enables-ws8322-epitaxy-growth.html "synthesized monolayer tungsten disulfide lateral homojunctions via in situ hexagonal domain band structure manipulation enabling controllable direct chemical vapor deposition growth... exhibits distinct field-effect characteristics while maintaining atomic lattice matching and customized band alignment at interfaces... logic inverters based on these structures demonstrated rail-to-rail operation with a peak voltage gain of 12, dynamic delay of ~135 μs, and ultralow power consumption of 1.3 nW"

Durable, low-cost, printable, large-area, stretchable bright-light-emitting nafion polymer/ 2D molybdenum disulfide semiconductor photonic circuits

https://newsroom.ucla.edu/releases/stretchable-light-emitting-material-photon-based-devices "fragility/ low light yield overcome: nafion reinforces fragile 2D layer/ heals surface defects achieving orders magnitude greater light-emitting efficiency... stacked alternating 2D molybdenum sulfide/ nafion layers... preserves the ideal behavior of the 2D layer, even in thick, flexible membranes... no longer fragile material was then deployed in large-area membranes that were markedly brighter and remained stable in air, in water and when stretched... compact, flexible stretchable displays in computer chips/ lasers"

Lithography called Beyond Extreme UV using new metal/ coating combinations, enables smaller, faster and affordable microchips

https://www.eurekalert.org/news-releases/1097886 "new methods/ materials for making... irradiate/ imprint materials quickly/ precisely using higher-powered lasers does not allow radiation-sensitive resist coating to work on silicon wafer with <10 nm patterns... overcome using imidazole coating: new class of resist zinc-organics allowing such imprints... adjusting UV frequency/ intensity, metal, imidazole changes light absorption efficiency... at least 10 different metals, hundreds of organics... commercial within 10 years”

Magnetic modulation and electrochemistry endows conducting polymers with electrochemical achiral polythiophene optical rotation control

https://phys.org/news/2025-10-method-faraday-rotation-polymers.html "controlling Faraday rotation, where optically inactive substances exhibit optical rotation when linearly polarized light passes parallel to magnetic field... in conductive polymers (polarons), formed during doping via low voltage electrochemical oxidation... influences optical, magnetic properties... magnetic field sensors and optical communication devices"

Heat-rechargeable design powers nanoscale molecular machines made out of synthetic DNA; chemical bonding -based circuits process signals

https://phys.org/news/2025-10-rechargeable-powers-nanoscale-molecular-machines.html "room temperature circuits spend heat energy stored in kinetic traps, like molecular springs, recharged with heat pulse... reusability through kinetic traps isn't limited to heat, but for any energy source where can break weak bonds between molecules letting them fall back into their traps, such as light, salt, acid gradients... long term neural network and logic circuit tasks like those of living systems... smart medicines, cargo sorting, self-hydrating contact lenses, self-repairing strain cracks, molecular computers"

Dark exciton valleytronics creation/ manipulation in atomically thin materials interact less with light/ heat, better preserving quantum information

https://www.oist.jp/news-center/news/2025/9/25/shining-light-dark-valleytronics "2 types: momentum-dark/ spin-dark, mismatch prevents immediate recombination: enables more useful timescale/ making more isolated from environmental interactions... use either left- or right-circularly polarized light to selectively populate bright exciton in specific valley, then rapidly turning into numerous dark excitons potentially preserving valley information... classical/ quantum information technologies"

Overcoming conventional thermodynamic limits when converting waste heat into electricity by using non-thermal Tomonaga- Luttinger liquid

https://www.eurekalert.org/news-releases/1100720 "1D electron quantum state avoids thermalization, enabling Carnot/ Curzon-Ahlborn efficiency limits to be exceeded... when heat introduced, system holds onto non-thermal, high-energy state rather than spreading energy out evenly... injected waste heat from quantum point contact transistor into Tomonaga- Luttinger liquid, non-thermal heat transported several µm to quantum-dot heat engine, producing higher conversion efficiency... more sustainable/ efficient low-power: electronics, quantum computers"

Direct-bandgap spinel-type sulfide semiconductors overcome efficiency limitations for solar-cell absorbers and green-LED sources

https://www.eurekalert.org/news-releases/1100721 "exhibits direct bandgap/ emits light from orange to blue at room temperature, composition can be chemically tuned to switch between n-type/ p-type conduction over 9 orders magnitude... undoped produces strong orange emission, magnesium in place of zinc shifts to green or blue depending on amount of substitution... switches to n-type (by introducing small amount titanium at Sc3+ site) or p-type (by slightly reducing zinc content) conduction... pn homojunction devices” Related: A trick of light: UC Irvine researchers turn silicon into direct bandgap semiconductor https://news.uci.edu/2024/10/31/a-trick-of-light-uc-irvine-researchers-turn-silicon-into-direct-bandgap-semiconductor/

Ultra-thin precisely patterned sodium films manipulate light with extreme precision at lower cost than plasmonic materials made from gold or silver

https://phys.org/news/2025-10-ultra-thin-sodium-alternative-gold.html "overcomes sodium instability in presence of air/ moisture... combines thermally- assisted spin coating with phase-shift photolithography, using heat/ light to craft nanoscopic surface patterns trapping/ guiding light... sodium's electrons responded in ways that differ from traditional metals, suggesting it could offer new advantages for light-based technologies like photocatalysis, sensing, energy conversion, solar panels, medical devices,"

Magenium stores information in lowest-energy states of small, symmetric qubit clusters naturally resistant to several sources of noise and instability

https://www.eurekalert.org/news-releases/1100622 "longer lasting quantum data enabling reliability, scalability to several hundred to several thousand qubits... no need for thousands of unstable physical qubits to create 1 logical qubit, pushing total into millions relying solely on complex error-correction software... test platforms: superconducting circuits, Rydberg atoms... may also eventually be licensed to hardware developers or adapted for use in sectors like finance, energy and pharmaceuticals"

New class of polymers with ultralow dielectric loss, with potential to power reduced interference/ distortion beyond-5G telecommunications

https://www.eurekalert.org/news-releases/1100465 "replaces sulfur with oxygen in dielectric poly(2,6-dimethyl-1,4-phenylene oxide) insulation... offers best balance of 2 key traits: (1) low dielectric constant, improved with higher polarizability/ smaller dipole moment of carbon–sulfur compared to carbon–oxygen bond, (2) low almost constant dissipation factor across wide frequency range, lowest among all polymers at 80 GHz, due to: increased intermolecular interactions reducing molecular mobility, higher molecular rotation resistance, strong thermal stability"

Large-scale modules demonstrate that changing quantum dot size can turn sunlight into colors that solar panels absorb better

https://renewableaffairs.com/news/the-future-of-solar-two-tiny-technologies-that-could-redefine-clean-energy/ "replaces silicon inverters which work more slowly/ create more heat... used with gallium nitride making electricity flow faster and with less waste, which helps inverters run smaller, cooler, more reliably... Enphase microinverter works with each solar panel separately, so if 1 panel shaded/ not working well, others still perform normally... remote monitoring shuts down system quickly upon detecting fault, lowering maintenance costs... also: sunlight absorbing glass sending to hidden solar cells at edges of windows"

Quantum entanglement accelerates energy flow between molecular sites; discovery could lead to more efficient light-harvesting materials

https://www.eurekalert.org/news-releases/1100517 "mimics how room temperature photosynthesis depends on rapid/ efficient energy transfer following absorption... starting in delocalized quantum state provides system with more pathways, coherence allows quicker transfer even in presence of environmental noise, demonstrated across parameters: environmental coupling strength, interaction range between sites, disorder within system... molecule regions: donor where energy absorbed, acceptor where energy eventually arrives... extends to more complex molecular systems"

Ytterbium-171 atom array processors using fiber, detector and beam splitter arrays for scalable long-distance parallelized quantum networking

https://phys.org/news/2025-10-parallel-atom-photon-entanglement-paves.html "ytterbium atom/ 1,389 nm telecom-band single photon entanglement enabling long-distance signal communication without the need for conversion from visible/ near-UV to telecom-band... preserves coherence among certain qubits while others used for communication tasks... future: photon intermediation instead of direct atom-photon entanglement, larger project with optical cavity to improve photon collection efficiency... interconnecting/ synchronizing world's atomic clocks, modular quantum computation"

Solar cell fabrication from single organic molecule leads to lighter, cheaper, and simpler solar panels with close-to-unity charge collection efficiency

https://www.eurekalert.org/news-releases/1100520 "spin-radical organic semiconductor molecule P3TTM has single unpaired electron at its center... unpaired electrons on neighboring molecules encourages alignment alternately up/ down... absorbed photon moves an electron downhill from 1 molecule to identical nearest molecule, creating positive/ negative charges extracted as photocurrent... energy for this (Hubbard U) is electrostatic charging energy for double electron occupancy of molecule that has become negatively charged"