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Showing posts with the label nanotechnology

Meta-conveyor subwavelength metasurfaces transport nanoparticles along custom, open-ended 3D paths

https://phys.org/news/2026-05-optical-metaconveyors-enable-programmable-nanomanipulation.html " optical tweezers/ spatial light modulators bulky/ complex to integrate/ mathematically restricted to moving particles in rigid, closed loops...  overcome engineering compact, passive chip combining hybrid propagation phases with geometric phases to dynamically switch phase gradients... altering input/ output light polarization generates independent lateral optical motions: forward, reverse, stopping on demand... virtual maze-solving meta-conveyor steered nanoparticles entrance to exit avoiding dead ends/ obstacles"

Trapping light on a chip for millions of cycles with virtually zero loss for faster, more energy-efficient computing and telecommunications

https://www.eurekalert.org/news-releases/1123356 "atomic-scale van der Waals layers too fragile for standard engineering, overcome shielding during fabrication... smoother microdisk surfaces reduce friction/loss allowing light to circulate millions of times before fading, at much lower power levels, enabling more complex optical operations on single chip... <1 ppm of light lost/ cycle, 10,000X better light conversion, critical for non-linear photonics/ signal processing... quantum computing/ communications, highly sensitive sensors"

Nanoscale, super-resolution imaging, plasmonic fiber probe bypasses the diffraction limit without complex/ unstable light setups

https://www.eurekalert.org/news-releases/1122434 "imaging probes require difficult-to-generate radially polarized light... overcome using focused ion beam etching produced 15 nm radius tip, significantly sharper/ more consistent, enabling use with standard linearly polarized light so easier to use/ less prone to alignment errors... double-slit concentrates light into nanoscale spot... reflective surface recycles optical energy enhancing field at tip 6X... maintains high performance across wide range visible light, nearly matches Atomic Force Microscopy precision"

Surforce built China's first environmentally friendly electrospinning facility producing 20–30 million meters of nanofiber annually

https://finance.yahoo.com/news/surforce-technology-group-achieves-major-070200200.html "fluorine-free materials, high volumes previously difficult... resulting nanofibers possess extremely high surface-area-to-volume ratio, strong mechanical strength, high flexibility, replaces polytetrafluoroethylene membranes... high-efficiency separators in batteries, air/ water filters with significantly higher particle-capture efficiency, lightweight/ high-performance insulation/ structural components, breathable/ waterproof/ comfortable/ functional clothing... international certifications, 25 global patents"

Spintronic nano-device stores information in four distinct states within a single cell, doubling binary non-volatile memory storage

https://phys.org/news/2026-03-nanoengineered-spintronic-device-ways.html "multi-layered magnetic tunnel junction enables magnetic anisotropy controllable by 4-way switching between stable magnetic configurations, allowing single memory cell to store 2 bits of data instead of 1...  uses significantly less energy, read/ write millions times without degrading... ability to hold multiple states perfect for neuromorphic computing, inherent resistance to radiation/ extreme temperatures perfect for deep-space/ military" Related: Electric current stabilizes spins at unstable points for new types of computing https://phys.org/news/2026-03-electric-current-stabilizes-unstable.html

Nano-scale device rapidly melts/ freezes materials creating amorphous tellurium for faster/ more energy‑efficient computer memory

https://phys.org/news/2026-02-capturing-instant-electrical-pave-faster.html "instantaneous melting followed by rapid cooling (quenching) captures exact moment electrical switching begins, including threshold voltage/ thermal conditions triggering it... stably implemented amorphous (disordered like glass) tellurium, within nano-device... tellurium sensitive to heat/ changes properties easily when current applied... stable/ high-speed switching even while reducing heat generation... avoids trial‑and‑error material design... semiconductors, AI"

Rapid method converts waste glass into silicon carbide nanowires, used to strengthen plastics, cement, and other composites

https://cen.acs.org/environment/recycling/silicon-carbide-nanowires-waste-glass/104/web/2026/03 "fluorine-assisted flash Joule heating: gtrind glass, carbon black, sodium fluoride, pack into tube, apply strong electric current, heat to 2,000°C (in seconds), carbon reduces silica, producing silicon carbide nanowires... fluorine keeps iron particles active as catalysts enabling growth of wire-shaped nanostructures instead of particles... up to 96% lower energy/ emissions, $0.90/ kg (99% cheaper}... plastic/ cement reinforcement, electronic/ energy devices... also: boron/ titanium/ niobium carbide nanowires"

Mesophase intermediate matter states significantly accelerate nanoparticle crystallization, highly valued for their orderly structures

https://phys.org/news/2026-03-intermediate-phases-faster-nanoparticle-crystallization.html "nanoparticles disordered during assembly, overcome passing through mesophase preventing these dead ends by splitting large free-energy barrier, crystallizing orders magnitude faster than using 1-step transition... mesophases more mobile/ flexible than final crystals, easier to anneal/ fix structural defects for more homogeneous final material with fewer flaws... rules define pressure, concentration, particle shape forming mesophase... optical devices, data storage, biological/ synthetic polymers/ proteins"

Nanolasers could replace electrical signals on microchips, addressing heat generation/ data bottlenecks of current computing

https://www.eurekalert.org/news-releases/1116387 "lasers have physical limits on how small they can be while remaining functional, overcome using light-trapping nanocavity allowing room temperature laser operation at exceptionally low power... ultra-compact so 1000's lasers integrated onto single microchip... halves computer/ data center energy consumption, faster with minimal heat/ energy loss... high-resolution imaging, ultrasensitive biosensors, seamless transition from fiber optics into chip's internal architecture... future: electrical pumping"

Ultra-small, faster electronics grown applying Molecular Beam Epitaxy on 2D molybdenum disulfide semiconductors instead of on silicon

https://techxplore.com/news/2026-01-ultra-small-high-electronics-grown.html "overcomes contact resistance (lengthy charge transfer) potentially enabling 1nm node transistors (20nm charge transfer length)... grow crystalline semimetallic antimony contacts in vacuum, atoms arranged in specific, high-quality crystal orientation, 13nm transfer length, resistance where materials meet down to 18nm (was 60) beyond which degradation starts, meeting 1nm node requirements... 100X larger/ crystalline... future: p-type tungsten diselenide contacts enabling complete integrated circuits, scale"

Hierarchical porous copper nanosheet outputs 590% more electricity compared to standard copper thin-film triboelectric nanogenerators

https://www.eurekalert.org/news-releases/1111546 "overcomes 2D metal nanosheet's low current output/ poor durability... stable over 100K mechanical cycles, spray-coating process scalable... converts walking, breathing into electricity... continuous battery-free heart rate/ temperature/ physical activity monitoring, energy harvesting, EMI shielding, Joule heating (smart clothing/ thermal comfort)"

Topological guided acoustic wave sensor uses sound waves rather than optics, so no sensor pixels' scaling down for detecting tiny objects

https://phys.org/news/2025-12-sensor-acoustic-smallest-scales.html "performance loss caused by miniaturizing sensors... overcome with belt buckle -sized device honing acoustic energy into nano-scale regions... in a proof-of-concept experiment, the team successfully detected a low-powered infrared laser only five micrometers wide... precision medicine identifying individual cancer cells/ specific proteins, managing/ sensing quantum scale parameters for quantum computers, condensed matter physics validating new hypotheses about how matter behaves at atomic level"

Ferroelectric capacitor's entire device stack is only 30 nm thick including electrodes, for high-density electronic integration

https://techxplore.com/news/2025-12-ultrathin-ferroelectric-capacitors-compact-memory.html "3-layer sandwich: 5 nm platinum top electrode, 20 nm scandium-doped aluminum nitride ferroelectric layer, 5 nm platinum bottom electrode... easily embedded into logic circuits... treating the bottom platinum electrode at 840°C improved its crystal structure, vital for maintaining switching performance in thinner films... mobile/ IoT devices, integrating logic/ non-volatile (due to high remanent polarization from using scandium-doped aluminum nitride) memory, nano-scale ferroelectric RAM/ tunnel junctions" Related: Smaller but stronger: a 25-nanometer memory that challenges traditional limits https://www.isct.ac.jp/en/news/zchajorhi75l

Synthesizing complex high-entropy nanomaterials containing up to 30 different metals in one minute at room temperature

https://phys.org/news/2025-12-driven-method-rapidly-complex-nanomaterials.html "replaces extreme heat/ pressure with sustainable, CO₂-driven chemical reaction bridge bonding disparate metal ions normally difficult to combine due to varying atomic sizes... add hydroxide ions, stir forming metal carbonate nanoparticles exhibiting non-crystalline highly disordered structure, often superior for chemical reactions... scalable, low-cost manufacturing, eco-friendly, enhanced durability/ catalytic efficiency... hydrogen production/ more efficient battery electrodes, semiconductors"

Simple/ inexpensive process for manufacturing highly efficient magnetic nanomaterials that have their magnetic moments (spins) vertically aligned

https://phys.org/news/2025-12-nanomagnet-production-efficiency.html "greater efficiency/ higher density than horizontal alignment... ion beam magnetic engraving imprints magnetic nanostrips onto iron-vanadium alloy thin film... ion beam locally orders atoms into crystal lattice, making bombarded areas ferromagnetic... reduced nanostrip widths to 25 nm, forcing magnetic moments to stand out vertically from surface... increased data storage density, increased efficiency especially in spintronics, enhanced sensitivity, cost-effective... magnetic storage, sensors, spin-based quantum computing"

Gold nanocluster-based MOFs with modifiable electronic properties also exhibit semiconductor-like behavior and adjustable conductivity

https://phys.org/news/2025-12-gold-nanoclusters-materials-nanoelectronics.html "gold nanoclusters (act like individual atoms) assembled into 3D framework using metal ions, forming cluster-based MOFs... assembly allows for precise control/ fine-tuning material's properties... reducing distance between gold nanoclusters improved material's electrical conductivity as much as 31X... metal ions' electron structure affects material's overall electrical conductivity... 4 cluster-based MOF materials created... poised to revolutionize nanoelectronics"

Silver-based atomic switch forms stable electrical connections between individual molecules/ metal electrodes for scalable molecular electronics

https://www.eurekalert.org/news-releases/1108479 "multiple tantalum oxide molecular junctions created automatically/ simultaneously... ~0.3 V individual molecular circuits, without use of silicon... stable electrical contacts (molecular junctions) between functional molecules (rectifiers, switches, memory units)/ metal electrodes... atomic switch chemically forms/ breaks conductive path rather than moving physical parts, ON = positive voltage, silver atoms move... highly energy-efficient molecular switches/ sensors leveraging molecules' quantum properties" Related: Beyond silicon: Electronics at the scale of a single molecule https://www.eurekalert.org/news-releases/1114731

Five-fold increase in supercapacitor electrodes' carbon nanowall capacitance, by treating them with optimal dose of high-energy argon ions

https://phys.org/news/2025-12-argon-ion-treatment-carbon-nanowall.html "carbon nanowalls: vertically stacked 10-15 graphene sheets have large specific surface area for high capacitance... ion implantation allows for material's bulk treatment due to high penetrating capacity... also creates nanosized cavities in material's structure, which are then passivated in air by functional groups... 10¹⁴ ions/ cm2 optimal dose since aligns cavity size to that of electrolyte molecules enabling them to embed, providing nanostructuring further increases capacitance... works better than embedding heteroatoms" Related: Mini-vortices in nanopores accelerate ion transport for faster supercapacitor charging https://phys.org/news/2025-12-mini-vortices-nanopores-ion-faster.html Indian researchers achieve 3.4V supercapacitor breakthrough https://ddnews.gov.in/en/indian-researchers-achieve-3-4v-supercapacitor-breakthrough-study-published-in-journal/

World's first experimental demonstration of entanglement swapping using sum-frequency generation (SFG) between single photons

https://www.eurekalert.org/news-releases/1104682 "high signal-to-noise ratio between single photons (was weak) made possible using high-speed entangled photon-pair sources, low-noise superconducting nanowire single-photon detectors, high-efficiency nonlinear optical crystal... high-fidelity entanglement swapping without destroying resulting entangled pair, by detecting photon generated via SFG... photonic quantum information processing circuits' miniaturization/ efficiency, device-independent quantum key distribution transmission distance extension" Related: Electron-phonon 'surfing' could help stabilize quantum hardware, nanowire tests suggest https://phys.org/news/2026-02-electron-phonon-surfing-stabilize-quantum.html

Ethylene glycol spin-coating of silver nanowire transparent electrodes replaces PVP coating for better electrical conductivity/ enhanced durability

https://phys.org/news/2025-11-silver-nanowire-electrodes-surge-coating.html "43% less electrical resistance, doubling conductivity... facile, scalable, low-temperature solution process... durable, withstanding 85°C, 85% humidity... slightly increased light transmittance, enabling brighter, more transparent electrodes... fabricated transparent heaters: due to lower resistance reached, 140°C–145°C (previous: 102°C) in 6 minutes, 35% better heating performance... flexible, foldable, rollable electronic devices, including flexible displays, wearable sensors, electronic paper, advanced transparent heaters"