Photonic‑crystal light sail demonstrates 90% reflectivity for laser propulsion
Researchers have built a photonic‑crystal light sail (PCLS) using a three‑dielectric nanostructure of germanium pillars, air holes, and a polymer matrix. Simulations and electron‑beam fabricated prototypes show about 90 % reflectivity at a 1.2 µm wavelength and the ability to generate continuous thrust when illuminated by a 100‑kW laser.
Researchers at Kyushu University demonstrated that inserting a 0.3 nm gadolinium layer into a Pt/Co/Ni stack dramatically enhances spin‑orbit torque, enabling magnetic skyrmions to move faster with lower electrical currents. The engineered Pt/Gd/Co/Ni multilayer preserved skyrmion stability while shifting the balance of skyrmion types, addressing the longstanding size‑speed‑power trilemma. The findings, published in APL Materials, suggest a viable materials‑based route to energy‑efficient, high‑density data storage and processing. This breakthrough could accelerate the adoption of skyrmion‑based devices for AI, IoT, and big‑data workloads.
The study introduces DNA‑stabilized silver nanoclusters (DNA640) that emit anti‑Stokes fluorescence via hot‑band absorption, encapsulated in cationic mesoporous silica nanoparticles and coated with liposomes for enhanced brightness and chloride resistance. Using adeno‑associated virus‑driven albumin‑mNeonGreen to label mouse cerebrovasculature, researchers combined...
Researchers engineered a flower‑like nitrogen‑doped carbon framework to confine nickel species, enabling coexistence of Ni‑N‑C sites and size‑controlled Ni nanoparticles. Moderate Ni loading (0.2–1 mmol) stabilized small particles, delivering a CO faradaic efficiency of ~90% at –1.0 V vs RHE and maintaining...
Researchers synthesized binary alloy nanosheets W1‑xNb xS2 and Mo1‑xNb xS2 via colloidal routes, achieving uniform atomic mixing across the full composition range. Incorporating niobium transforms the semiconducting WS2 and MoS2 into a more metallic phase, which DFT calculations confirm. In...
Researchers have demonstrated deterministic control of in‑plane flexoelectric polarization in epitaxial LaAlO₃ thin films by engineering oxygen‑vacancy gradients. Electrically written vacancy‑rich lines induce localized lattice expansion, generating converging strain gradients that produce a strong shear‑type electromechanical response observed via lateral...
Researchers have introduced a scalable method that uses expanded graphite micro‑containers to confine carbon and nitrogen precursors, enabling rapid in situ growth of nitrogen‑doped carbon nanotubes (N/CNTs). The confined environment supplies sufficient carbon/nitrogen locally, achieving a high yield (>14%) and...
Manganese metal anodes promise higher capacity and a lower redox potential than zinc, positioning them as a next‑generation battery candidate. However, rapid hydrogen evolution, corrosion, and dendritic growth have limited practical deployment. Recent research highlights concentrated aqueous electrolytes, halogen‑mediated non‑aqueous...
Researchers introduced a Multi‑layered Organic‑based Liquid Encapsulation (MOLE) that merges amine‑functionalized silicone elastomer with Parylene‑C to protect implantable bioelectronics. The outer silicone layer, infused with silicone oil, cuts protein adsorption to under 1% and repels biofilm formation. MOLE delivers an...
Researchers unveiled a multilayer stretchable microelectrode array patch (MEAP‑S) that combines photolithographically patterned gold electrodes with an ultrathin SEBS dielectric. The device delivers conductivity above 10^5 S m⁻¹, stretches up to 100 % strain, and packs 100 channels per cm² while suppressing crosstalk....
Researchers introduced 3,3-difluoropyrrolidine hydrochloride (GOSO-005), a fluorinated dipolar molecule, to neutralize positively charged defects in organic‑inorganic perovskites. The dipole‑charge interaction reduces electron‑trapping radius, enhancing charge transport and suppressing Shockley‑Read‑Hall recombination. Devices incorporating GOSO-005 achieved a certified power conversion efficiency of...
Researchers have engineered a mitochondria‑targeted nanocatalyst, Co‑SA‑TPP@CQ, that couples cobalt single‑atom catalysis with triphenylphosphine localization and chloroquine co‑delivery. Once inside tumor mitochondria, the catalyst produces superoxide anions and oxygen, disrupting the electron transport chain and creating a self‑sustaining oxidative‑stress amplification...
Researchers introduced percolative graphite (PG), a moderate‑surface‑area conductive additive, to address the insulating nature of MnO2 in rechargeable alkaline Zn–MnO2 batteries. By replacing large amounts of low‑surface‑area graphite or reactive nanocarbons, PG forms an effective conductive network while maintaining high...
Researchers have engineered lipase‑activated nanomotors that generate their own chemical gradients to drive motion in ion‑rich aqueous environments. By hydrolyzing acylated dextran, the motors release carboxylate fragments that accumulate at the particle interface, creating localized concentration differences that propel the...
Researchers have engineered a D‑π‑A‑π‑D small molecule, XSOTA, that exhibits hybridized local and charge‑transfer (HLCT) excited‑state behavior. This HLCT architecture delivers an exceptional fluorescence quantum yield of 89.2% and a reactive oxygen species (ROS) generation efficiency of 56.3%. When formulated...
Researchers have engineered an oral hydrogel, PMC@Gel, that co‑encapsulates a Pt/Mn3O4 nanozyme and curcumin to treat radiation‑induced intestinal injury. The nanozyme provides catalase‑ and SOD‑like activity, rapidly scavenging reactive oxygen species, while curcumin restores autophagy and modulates inflammation. The pH‑responsive...
Researchers synthesized a novel octanuclear nickel(II) double cubane cluster using a Schiff‑base ligand and confirmed its structure by single‑crystal X‑ray diffraction. When immobilized on activated carbon cloth (CC‑3), the catalyst achieved a low OER overpotential of 290 mV at 10 mA cm⁻² in...
Researchers introduced a van der Waals (vdW) wrapping strategy to build a (SnS)1.15TaS2 superlattice that combines puckered SnS layers with conductive 1H‑TaS2. The architecture stabilizes the structure, accelerates charge‑transfer kinetics, and preserves atomically smooth ion‑transport channels. In capacitive deionization tests...
A monolithic acoustic droplet centrifuge array (SAWA) integrates nine miniaturized units on a 13 cm² chip, using a single surface‑acoustic‑wave activation to spin and analyze droplets in parallel. The platform enriches tumor cells and trace microRNAs within droplets, boosting fluorescence signal...
A combined genetic algorithm and machine‑learning workflow was applied to metal‑carbon nanocomposites, optimizing five synthesis variables across three evolutionary generations. The approach more than tripled the enhanced absorption bandwidth, raising it from 1.24 GHz to 4.08 GHz, while pushing the minimum reflection...
Researchers engineered tellurium vacancies in ultrathin Bi2Te3 films to create a multifunctional optoelectronic synapse. The defect‑engineered device achieves a record‑low energy consumption of 37.2 fJ per spike and exhibits 191.7% paired‑pulse facilitation. Demonstrations include 93.3% facial‑recognition accuracy, 86.7% urban‑traffic segmentation, optical...
Researchers have developed a heavy‑metal‑free liquid scintillator using ZnSeTe core‑shell quantum dots combined with the energy‑transfer donor PPO. By tuning the Te/Se ratio and applying halogen surface passivation, the QDs achieve a blue emission with a light yield of 11,222...
Researchers introduced cyanuric fluoride (Cy‑F) as a multifunctional additive into 2D PEA₂SnI₄ perovskite films, simultaneously regulating crystallization and passivating defects. The optimized 12 vol% Cy‑F formulation yielded a record‑high thin‑film transistor mobility of 1.88 cm² V⁻¹ s⁻¹, over ten times the pristine device, while...
Researchers introduced a novel molecular‑design and component‑regulation strategy that grafts epoxy groups onto polyimide (PI) chains and incorporates rigid segments, forming a cross‑linked, interpenetrated network. This approach simultaneously boosts the foam’s mechanical strength and microwave absorption performance, maintaining structural integrity...
Researchers in China have created an implantable vascular scaffold equipped with magneto‑optical probes that capture circulating tumor cells (CTCs) directly from the bloodstream and eliminate them with near‑infrared (NIR) light. In rabbit and goat models the system achieved capture efficiencies...
Researchers at Argonne National Laboratory have demonstrated that a monolayer of molybdenum disulfide (MoS₂) stacked on boron‑doped p‑type diamond creates a functional PN junction that operates at room temperature. The heterointegration uses electrostatic doping rather than traditional chemical dopants, allowing...
Researchers have demonstrated that aspartame dipeptide crystals self‑assemble into a non‑centrosymmetric supramolecular lattice that exhibits a piezoelectric coefficient of 37.9 pC/N. A prototype device built from these crystals generated approximately 0.62 V and 2.08 nA under a 50 N mechanical load. The output remained...
Researchers used pulsed laser irradiation in liquids to embed iridium nanoclusters within a MoC/N‑doped carbon matrix, creating defect‑driven interfacial polarization. The resulting IrNC/MoC@NC catalyst delivers ultralow overpotentials of 25 mV for the hydrogen evolution reaction at 10 mA cm⁻² and 338 mV for hydrazine...
The review outlines a systematic framework for engineering biomimetic osteochondral scaffolds, integrating four coordinated components: functional properties, bioactive material systems, advanced fabrication methods, and hierarchical structural designs ranging from monophasic to gradient configurations. By aligning these modules, researchers aim to...
Researchers introduced a biomimetic hierarchical composite surface (BHCS) that merges staggered denticle arrays, a flexible substrate, and a surface‑grafted PDMS molecular brush using multi‑material 3D printing and spray coating. The optimized BHCS delivered an 18.65% reduction in underwater drag by...
Researchers used operando optical microscopy on transparent micro‑Li‑ion cells to directly observe lithium plating during fast charging. An ether‑based electrolyte delayed plating onset, delivering up to 54 % more charge capacity at high C‑rates compared with conventional carbonate electrolytes. The effect...
The review surveys cutting‑edge surface and interface engineering tactics—crystal‑plane orientation, defect creation, functional component modification, and hierarchical geometry—to lift electrocatalyst activity while preserving stability. It underscores the persistent trade‑off between performance and durability under industrial‑scale, high‑current, corrosive environments. Looking forward,...
Researchers introduced a microgel‑integrated microneedle array patch (MI‑MAP) that concentrates recombinant proteins at the needle tips and stabilizes them through phenolic interactions. Compared with conventional hydrogel‑based patches, MI‑MAP achieved markedly higher tip‑loading efficiency and maintained protein activity after 28 days at...
Researchers created oxygen‑deficient WO3‑x nanosheets by thermochemical reduction, yielding phase‑separated WO2.9 domains within an insulating WO2 matrix. The mixed‑phase material exhibits unconventional gas‑sensing behavior, showing opposite resistance changes to NO2 and CO compared with pristine WO3. WO3‑x delivers −125 % response...
The researchers present a PDA@GelMA/HA-DA/Fe3+ dual‑network hydrogel that combines gelatin methacryloyl, dopamine‑modified hyaluronic acid, Fe3+ crosslinking and polydopamine nanoparticles. Fe3+ ions act as angiogenic cues while the nanoparticles provide mild photothermal stimulation under near‑infrared light. In vitro, bone‑marrow mesenchymal stem...
Researchers investigated nickel‑doped Pr0.5Sr0.5Ti0.5Mn0.5O3 anodes for solid oxide fuel cells, comparing PSTMN41 (Mn0.4Ni0.1) and PSTMN51 (Mn0.5Ni0.1). In‑situ reduction generated dispersed Ni nanoparticles and abundant oxygen vacancies, markedly improving methane oxidation and electron conductivity. PSTMN41 delivered peak power densities of 119.6 mW·cm⁻²...
Researchers engineered anthracene‑BTSO donor‑acceptor conjugated polymers with tunable monomer ratios to steer photocatalytic selectivity between nitrogen reduction (NRR) and hydrogen evolution (HER). The 1:1 donor‑to‑acceptor polymer AnSO‑6 delivered an unprecedented NH3 production rate of 1645.25 µmol g⁻¹ h⁻¹ under full‑spectrum light without sacrificial...

Researchers at QuTech and Delft demonstrated spin‑based control of phase differences in Kitaev chains, eliminating the need for external magnetic flux. Using a three‑site InSbAs 2DEG device with quantum‑dot‑superconductor hybrids, they tuned the superconducting phase via the spin state of...

A recent npj Metamaterials review compiles a decade of work on nano‑architected mechanical metamaterials, showing that nanoscale geometry can dictate strength, stiffness, and multifunctionality more effectively than chemical composition. It details design rules, fabrication routes such as 3‑D nanoprinting and...

UCLA chemists led by Neil Garg have overturned Bredt’s rule by synthesizing bridgehead carbon‑carbon double bonds in cage‑shaped molecules such as cubene and quadricyclene. The study shows these strained alkenes adopt a hyperpyramidalized, three‑dimensional geometry with bond orders around 1.5...

the #WorldEconomicForum is in full swing to discuss global challenges & strategic solutions. sharing our article on “how #nanotechnology can help grow more food”, published @wef . idea we proposed here about 10 years back now being implemented across the...
Researchers Zhao, Li, and Ooi have demonstrated a miniaturized ultraviolet spectral imager built on III‑nitride semiconductor technology. By integrating a dense array of GaN‑based photodetectors with on‑chip waveguides and nanoscale gratings, the device achieves benchtop‑level spectral resolution in a handheld...
Physicists at the University of British Columbia and the University of Freiburg have demonstrated the first controlled rotation of molecules embedded in liquid‑helium nanodroplets using a novel optical centrifuge. By introducing a timed delay between laser pulses, the team achieved...
Researchers at the University of Science and Technology of China have created a thermochromic composite film that autonomously toggles between passive heating and radiative cooling based on ambient temperature. The film embeds 4‑6 µm phase‑change microcapsules in a porous PVDF‑HFP matrix,...
The research team introduced ratiometric DNA nanodevices anchored to the cytosolic leaflet of lysosomes, enabling direct measurement of juxta‑lysosomal pH in living cells. They discovered a previously unknown acidic nanolayer up to 21 nm thick on the outer lysosomal membrane, whose...
Researchers at the University of Surrey have created battery‑free nano‑sensors that generate power from tiny human motions. The ultra‑thin borophene‑embedded nanofiber mat, tested with 16 sensors, can monitor sleep patterns and subtle body movements without charging. The self‑powered triboelectric devices...

Neurophos, an Austin‑based photonics startup spun out of Duke University, announced a $110 million Series A round led by Gates Frontier and backed by Microsoft’s M12 and other investors. The company has built a metasurface‑based optical processing unit that is claimed to...
Researchers at TU Graz and the University of Graz unveiled Riff‑Diff, a novel AI‑driven platform that builds enzyme scaffolds directly around a chosen active centre. The method combines generative models like RFdiffusion with atomistic refinement, achieving angstrom‑level precision and producing enzymes...
Scientists at Lawrence Livermore National Laboratory have demonstrated that adjusting laser scan speed during additive manufacturing of a eutectic high‑entropy alloy can directly control atomic‑scale microstructures and resulting mechanical properties. By coupling thermodynamic modeling with molecular dynamics, they showed faster...
Physicists have experimentally realized a two‑dimensional topological crystalline insulator by growing a bilayer tin telluride (SnTe) film on a niobium diselenide (NbSe₂) substrate. Using molecular‑beam epitaxy and low‑temperature scanning tunneling microscopy, they observed conducting edge states protected by crystal symmetry...

Researchers at Peking University have demonstrated a silicon‑on‑chip photodetector that directly converts optical orbital angular momentum (OAM) into electrical currents. The device covers topological charges from –9 to +9, achieving a record‑high OAM responsivity of 226 nA W⁻¹. By employing momentum‑matched plasmonic...