Graphene Speakers Bend, Stretch, and Fold without Losing Their Sound
Researchers at Korea Research Institute of Chemical Technology have created vertically aligned reduced graphene oxide (VrGO) thermoacoustic speakers that break the traditional thickness‑performance trade‑off. By using a dual‑laser process to convert flat graphene oxide films into 3‑D micro‑forests, the devices achieve rapid heat transfer and maintain high acoustic output even at 170 µm thickness. The speakers deliver 85 dB at 10 kHz and retain over 75 % of their sound level when stretched to 500 % strain. Kirigami and auxetic patterning further enable repeatable stretch‑release cycles and conformal 3‑D shapes.
Researchers Pioneer Defect-Free High-Quality Graphene Electrodes
Researchers at Chungnam National University unveiled a one‑step free patterning (OFP‑G) technique that etches graphene without photoresists, achieving sub‑5 µm features on large‑area monolayer sheets. The vacuum‑based process uses a conductive glass substrate at 380 °C and 1,000 V to convert carbon bonds...
Specially Textured Metasurfaces for Identifying Aggressive Cancer
Researchers at Hebrew University have created textured metasurfaces that reveal aggressive cancer cells through their physical interactions, not genetic markers. The nano‑patterned surfaces cause aggressive cells to grip more tightly, engulf particles, and alter shape, behaviors missed on flat substrates....
Nb Cl Demonstrates F > 1 Frustration and Potential Quantum Spin Liquid Behaviour
Researchers at the University of Washington have shown that the two‑dimensional material NbCl exhibits short‑range antiferromagnetic correlations and strong magnetic frustration, hallmarks of a quantum spin‑liquid candidate. Using ab initio density‑functional calculations with Hubbard‑U and spin‑orbit coupling, they mapped anisotropic exchange...
Stacked Atom Thin Materials Enable a New Form of Ultralow Power Memory
Researchers at DGIST and KAIST demonstrated a new memory principle by stacking graphene, hexagonal boron nitride, and α‑RuCl₃ into a heterostructure. The sandwich‑like stack induces interfacial dipoles that behave like ferroelectric material, allowing data to be written and erased electrically....
A Spinning 3D Printer Creates Air-Powered Soft Robots that Curl, Twist, and Grip
Harvard and Stanford researchers unveiled a rotational multimaterial 3D‑printing process that embeds asymmetrical pneumatic channels inside elastomeric filaments in a single continuous operation. By co‑extruding a photocurable urethane acrylate and a fugitive Pluronic ink through a rotating nozzle, they can...
Watching Atoms Roam Before They Decay
Scientists have, for the first time, visualized how atoms rearrange before undergoing electron‑transfer‑mediated decay (ETMD) after X‑ray excitation. Using a COLTRIMS reaction microscope at BESSY II and PETRA III, they tracked a NeKr₂ trimer for up to a picosecond, capturing the roaming...
Two-Faced Nanoparticles Revive Antibiotics Against Superbugs
Researchers at the University of Osaka have engineered amphiphilic Janus nanoparticles that physically breach the outer membrane of drug‑resistant Gram‑negative bacteria. By creating pores, these two‑faced particles enable conventional antibiotics to enter cells and kill pathogens such as Escherichia coli...
Scientists Directly Visualize the Hidden Spatial Order of Electrons in a Quantum Material
A team led by KAIST professor Yongsoo Yang used liquid‑helium‑cooled 4D‑STEM to directly image charge‑density‑wave (CDW) amplitude in 2H‑NbSe₂ across its phase transition. The nanoscale maps reveal that CDW strength is highly inhomogeneous, with regions of strong order interspersed with...
Researchers Discover Record-Setting Heat-Conducting Metallic Material
UCLA researchers have identified metallic theta‑phase tantalum nitride (θ‑TaN) as the most thermally conductive metal ever measured, achieving roughly 1,100 W m⁻¹ K⁻¹—about three times copper’s performance. The breakthrough was confirmed with ultrafast optical spectroscopy, X‑ray scattering, and theoretical modeling that reveal unusually...
Graphene May Have Been Unintentional Byproduct of Edison's 1879 Light Bulb Experiments
Researchers at Rice University have shown that Thomas Edison’s 1879 carbon‑filament light bulbs likely generated turbostratic graphene through flash Joule heating. By applying a 110‑volt DC pulse for just 20 seconds, the carbon filaments reached 2,000‑3,000 °C, a temperature regime known...
Octopus Antioxidant Shields Perovskite Solar Cells From Decay
Researchers introduced a thin taurine interlayer between tin‑oxide electron‑transport layers and perovskite absorbers, dramatically slowing oxygen‑induced decay. The antioxidant quenches superoxide radicals, regenerates via a peroxide cycle, and reduces interfacial trap density, enabling 97% efficiency retention after 450 h at 65 °C....
The Art of Custom-Intercalating 42 Metals Into Layered Titanate Nanostructures
A UNIST research team unveiled a one‑step synthesis that directly intercalates up to 42 different metal cations into layered‑titanate nanostructures. The proton‑rich H‑LT precursor exchanges its H⁺ ions for a broad spectrum of metals, from alkali to rare‑earth elements, without...
New Metal-Organic Framework Material Achieves Real-Time Fluoride Removal and Detection in Water
Researchers at the Chinese Academy of Sciences have created a metal‑organic framework (MOF) that simultaneously removes fluoride ions from water and emits a visible fluorescence signal. By engineering interfacial water to expose specific crystal facets, the dual‑metal La/Fe‑MOF achieves high...
Researchers Redefine Capacitor Behavior at the Nanoscale
Researchers at Stony Brook University have introduced a quantum‑mechanical framework that accurately models nanocapacitors, overcoming the failures of conventional physics at the nanoscale. The method cleanly separates electrode and dielectric contributions, establishing fundamental size limits and enabling first‑principles evaluation of...
Stacked 2D Materials Unlock Diamond-Based Electronics Circuits
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...
A New Implantable Scaffold Captures and Destroys Circulating Tumor Cells in the Bloodstream
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...
Spin Control Advances Kitaev Chain Coherence, Enabling Exponentially Scalable Qubits
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 New Optical Centrifuge Is Helping Physicists Probe the Mysteries of Superfluids
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...
New Thermochromic Film Autonomously Switches Between Heating and Cooling for Year-Round Thermal Management
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,...
New AI Method Revolutionises the Design of Enzymes
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...
Next-Generation Materials for Additive Manufacturing
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 Experimentally Realize a Two-Dimensional Topological Crystalline Insulator
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...
Electrical Detection Achieves Direct Readout of Optical Orbital Angular Momentum
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...
New Nanoparticle Technology Offers Hope for Hard-to-Treat Diseases
A team led by Prof. Bingyang Shi at UTS has unveiled nanoparticle‑mediated targeting chimeras (NPTACs), engineered particles that bind and degrade disease‑causing proteins both inside and outside cells. The technology can cross the blood‑brain barrier, enabling precision treatment of hard‑to‑reach...
Tuning Color Through Molecular Stacking: A New Strategy for Smarter Pressure Sensors
Researchers at Osaka Metropolitan University discovered that initially stacked benzene layers, specifically a [2.2]paracyclophane moiety, dramatically amplify fluorescence color shifts when subjected to pressure. The study compared two organoboron crystals: pCP‑H, which forms π‑stacked dimer layers and exhibits a pronounced...
Al/Ingaas System Achieves Continuous Films with No Detectable Indium Interdiffusion
Scientists have demonstrated a robust method for growing epitaxial aluminium films on indium‑gallium arsenide (InGaAs) using molecular‑beam epitaxy at near‑room temperature. By depositing aluminium at 3 Å s⁻¹ onto a 14 °C substrate, they achieved continuous, superconducting layers with no detectable indium interdiffusion....
Electrons Meet Ferroelastic Walls in Strontium Titanate, Advancing Oxide Electronics
Researchers have shown that ferroelastic domain walls in strontium titanate (SrTiO₃) are active participants in electron transport, exhibiting emergent polar order, glass‑like relaxations and memory effects. Using resonant piezospectroscopy, electric‑field‑dependent optical imaging, scanning SQUID and single‑electron‑transistor microscopy, they visualized wall...
Using Magnetic Frustration to Probe New Quantum Possibilities
UC Santa Barbara researchers led by Stephen Wilson have shown that magnetic and bond frustration can coexist in a triangular‑lattice antiferromagnet, creating a dual‑frustrated system. By embedding lanthanide moments in a crystal that also hosts strained dimer bonds, they demonstrated that tiny...
Soft Nanoparticles Exploit Membrane Stiffness to Deliver mRNA Selectively Into Cancer Cells
Researchers at Xidian University have engineered soft‑membrane nanoparticles (PGC@FM) that fuse selectively with cancer cells, exploiting the lower membrane stiffness of tumors. The particles deliver mRNA directly to the cytoplasm, bypassing lysosomal degradation that plagues conventional lipid nanoparticles. In mouse...
When Scientists Build Nanoscale Architecture to Solve Textile and Pharmaceutical Industry Challenges
Scientists from CSMCRI, IIT Gandhinagar, NTU Singapore and S N Bose have created ultra‑selective crystalline membranes called POMbranes, featuring permanent 1 nm pores. The membranes achieve ten‑fold higher separation performance than conventional polymer filters while remaining flexible, chemically stable and scalable. Laboratory tests show...
Quantum Dots Achieve 0.7 Energy Shifts Via Phononic Crystal Waveguide Coupling
Researchers from Wrocław University of Science and Technology and the University of Münster have theoretically demonstrated strong coupling between quantum dots and gigahertz phononic crystal waveguides, achieving energy shifts up to 0.7 meV. By combining k·p and configuration‑interaction modeling, they show...
Room-Temperature Microscopy Achieves Spatially-Resolved Coherence in Molecular Spin Thin-Films
Researchers at UNSW Sydney have demonstrated room‑temperature, optically detected coherent control of organic molecular spins combined with microscopy to map spatial coherence in pentacene‑doped p‑terphenyl thin‑films and crystals. The study reveals that thin‑films exhibit up to 7.6 % variability in magnetic‑field...
Tungsten Oxide Nanorods with Removable Dopants Enable Low-Cost Sodium-Based Smart Windows
Researchers at Seoul National University of Science and Technology have introduced thermally removable dopants into hexagonal tungsten‑oxide nanorods, unlocking sodium‑ion electrochromic activity. The dopant‑free tunnels allow low‑cost sodium electrolytes to deliver near‑infrared (NIR) modulation comparable to lithium‑based systems, even with...
Tackling Thermal Management Challenges in Portable Fuel Cell Reactors
Researchers in Japan have unveiled a palm‑sized solid‑oxide fuel cell (SOFC) microreactor that can reach 600 °C within five minutes and generate electricity for edge devices. The device uses a yttria‑stabilized zirconia cantilever structure and a multilayer insulation system to eliminate...
Stacked Memristor Arrays Compute Euclidean Distance in Memory to Accelerate Self-Organizing Maps
Researchers at Hanyang University have built a three‑dimensional stacked memristor cross‑bar array that computes squared Euclidean distance directly in memory, eliminating the need for external arithmetic circuits. The 2 × 32 × 32 architecture stores raw weights in a lower layer and their squares...
Double-Cycle Circular Cavity Raman System Enables Stable, High-Sensitivity Gas Detection
A research team at the Chinese Academy of Sciences has unveiled a double‑cycle circular confocal Raman‑spectroscopy system (C‑CERS) that doubles the optical path length and tolerates misalignment. By arranging spherical mirrors in a confocal ring and adding a retro‑reflector, the...
Untangling Tree-Like Structures Within Thin-Films
Researchers at Tokyo University of Science unveiled a novel method to analyze dendritic growth in thin‑film materials. By combining persistent homology, a topological data analysis technique, with principal component analysis, they correlated dendrite shapes to Gibbs free energy gradients. The...
Nanoparticles that Shrink over Time Deliver Eye Drugs to the Retina without Injections
Researchers at Wenzhou Medical University have engineered size‑evolving nanoparticles that can be administered as eye drops to deliver the anti‑VEGF protein bevacizumab to the retina. The particles begin at roughly 214 nm, linger on the ocular surface, and shrink to about...
New Quantum Boundary Discovered: Spin Size Determines How the Kondo Effect Behaves
Researchers at Osaka Metropolitan University have experimentally realized a Kondo‑necklace model using an organic‑inorganic hybrid crystal, allowing direct comparison of spin‑½ and spin‑1 lattices. Thermodynamic measurements show that spin‑½ moments form non‑magnetic singlets, while spin‑1 moments develop long‑range magnetic order....
Db Signal Boost Achieved by Mitigating Nonlinear Transduction Noise in Cavity Optomechanics
Researchers at the Technical University of Denmark introduced a nonlinear transform that fully suppresses thermal intermodulation noise (TIN) in high‑cooperativity cavity optomechanics. By inverting the full cavity response, they eliminated TIN of all orders, including the first experimental detection of...
Turning Retired Wind Turbine Blades Into High-Performance Lithium-Ion Battery Anodes
Retired wind turbine blades, made of glass‑fiber‑reinforced plastics, can be upcycled into high‑performance silicon‑carbon anodes for lithium‑ion batteries. Researchers at Hebei University of Technology devised a multistep chemical route that transforms the silica‑rich fibers into a porous silicon framework with...
Defect Engineered MoS2 Films Boost Solar CO2 Conversion
Researchers at National Taiwan University have introduced a capped vapor‑liquid‑solid (VLS) method to synthesize wafer‑scale ultrathin Mo₁₋ₓVₓS₂ alloy films with engineered sulfur vacancies. The vanadium‑sulfur‑vacancy (V‑S‑vac) pairs act as highly active sites, boosting solar‑driven CO₂‑to‑CO conversion rates to roughly five...
A Self-Assembling Shortcut to Better Organic Solar Cells
Osaka Metropolitan University researchers have engineered a donor‑acceptor‑donor molecule, TISQ, that self‑assembles into built‑in p/n junctions essential for organic thin‑film solar cells. Depending on solvent polarity, TISQ forms nanoparticle‑like J‑type aggregates or fibrous H‑type aggregates, each exhibiting distinct charge‑transport behavior....
Dual Closed-Loop Insulin System Adds Chemical Safeguard to Protect Against Dangerous Overdoses
Researchers unveiled a wearable dual closed‑loop insulin system that combines a Transformer‑based AI controller with a glucose‑responsive polymer insulin. The chemical safeguard releases insulin only when blood glucose rises, while the AI predicts glucose trends and directs pump delivery. In...
Atomistic Simulation Software CP2K Enables AI Models
CP2K, the open‑source atomistic simulation suite, has released a comprehensive overview aimed at newcomers in theoretical chemistry and materials science. The paper details CP2K’s hybrid classical‑quantum methods, its ability to run on tens of thousands of CPUs or thousands of...
Ultrafast Spectroscopy Allows New Insights Into Energy Flow in Semiconductors
Researchers at the University of Basel employed ultrafast spectroscopy to map energy flow in germanium, a key semiconductor material. By pairing time‑resolved Raman spectroscopy with transient reflection, they tracked electron‑to‑phonon transfer after 30‑fs laser excitation with picosecond resolution. The method...
Atomic Force Microscopy Reveals Nanoscopic Raft Dynamics on Cell Membranes
Scientists at National Taiwan University combined atomic force microscopy with a Hadamard product‑based image reconstruction algorithm to directly visualize membrane raft dynamics on live cells for the first time. The study captured the formation, fusion, and dissolution of nanoscopic rafts...
Atomic-Scale Channels Destroy Water Pollutants that Treatment Plants Cannot Touch
Researchers have engineered a copper‑single‑atom catalyst confined within MXene interlayer nano‑channels (Cu‑SACs/MXene) that achieves 94.9% removal of bisphenol A in just five minutes. The 1.37 nm channels concentrate oxidants and accelerate mass transport, while the isolated Cu atoms cycle between Cu⁺/Cu²⁺ to...
Team Develops a Better Method to Create 2D Superlattices with a Twist
Stanford chemist Fang Liu unveiled a gold‑tape technique that produces ultraclean twisted 2D moiré superlattices with near‑100% yield and centimeter‑scale dimensions. The method replaces the low‑yield Scotch‑tape approach, enabling uniform samples of graphene, MoS₂ and other semiconductors. Using SSRL’s X‑ray...