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.

Northwestern researchers engineered a spherical nucleic acid (SNA) vaccine in which the HPV16 E7 peptide is displayed at the nanoparticle surface via its N‑terminus. This N‑terminal orientation (N‑HSNA) generated up to eight‑fold higher interferon‑γ secretion and 2.5‑fold greater cytotoxicity than alternative configurations. In HPV‑positive mouse models, N‑HSNA reduced tumor burden more than threefold and extended survival, while patient‑derived spheroids showed a 2.5‑fold increase in tumor‑cell killing. The work demonstrates that precise antigen placement can dictate therapeutic potency in cancer vaccines.

Our latest paper appeared today as a cover (inside front) feature article in Advanced Functional Materials, titled “A Bioresorbable Neural Interface for On-Demand Thermal Pain Block.” The focus is on a bioresorbable, implantable form of neural electronics that supports precisely...

Samsung researchers demonstrated a ferroelectric transistor that can cut NAND flash power consumption by up to 96%, integrating it into planar and 3‑D NAND strings. The approach replaces the traditional polysilicon channel or charge‑trap layer with a hafnium‑based ferroelectric oxide,...
Researchers at Sungkyunkwan University have created a physical unclonable function (PUF) that uses gold nanoparticles and purely optical processes for fabrication, authentication, and on‑demand reconfiguration. The technique traps ~100 nm particles with a 980 nm laser, fuses them via plasmonic heating, and...
Researchers at the University at Buffalo have created an inhalable nanoparticle that encapsulates rifampin and can be administered once weekly, matching the efficacy of daily oral dosing in mouse models of tuberculosis. The biodegradable particles target lung macrophages, sustain drug...
Researchers in China have unveiled a silicon‑based nanothrombolytic platform that couples urokinase with hydrogenated silicene (SiH) nanosheets and fibrinogen to clear arterial clots. The SiH sheets temporarily inhibit urokinase during circulation, then self‑degrade at the thrombus, reactivating the drug and...
An international team used time‑resolved synchrotron X‑ray techniques at DESY and ESRF to watch iron‑sulphur nanosheets form in real time. The study uncovered a fleeting, layer‑like intermediate that directs the crumpled nanosheet shape through a topotactic transformation. By simultaneously tracking...
A new life‑cycle assessment published in Nature Communications shows that decarbonising the electricity used to make silicon solar panels could cut manufacturing emissions by up to 8.2 gigatonnes of CO₂ – roughly 6.3 % of the remaining global carbon budget. The research,...
Researchers from Singapore, France, and the United States unveiled a compact terahertz antenna that leverages topological photonics. The silicon‑based chip, patterned with two sizes of triangular holes, creates a conical beam and achieves roughly 75 % spatial coverage—about 30 times better...

Researchers at NTU and IIT Roorkee have demonstrated a spintronic artificial neuron that operates without external magnetic fields, using a ruthenium‑dioxide altermagnet coupled to a synthetic antiferromagnet. The device exploits out‑of‑plane spin‑splitting torque and built‑in exchange coupling to achieve intrinsic...
University of Oulu researchers unveiled a microfluidic technique that merges electrophoretic slip and viscoelastic forces to separate sub‑micron particles. The approach raises the purity of synthetic polystyrene beads by 30‑50% and improves cancer‑cell vesicle purity by over 20%. Unlike conventional...
Researchers at Shanghai Jiao Tong University reviewed the emerging field of graphene‑diamond hybrids, materials that combine the flexibility and conductivity of graphene with the hardness and thermal stability of diamond. They categorize hybrids into van der Waals structures with weak...
Researchers at National Taiwan University and National Tsing Hua University unveiled a compact microfluidic reactor that simultaneously harvests sunlight and waste heat to produce hydrogen. The device couples a Ti₃C₂‑CdS heterostructure catalyst with a thermoelectric generator, achieving a solar‑to‑hydrogen conversion...

Researchers solved the full Hamiltonian dynamics of a solid‑state spin‑photon interface, deriving exact fidelities for three key quantum protocols: photon‑number superposition generation, a controlled photon‑photon gate, and photonic cluster‑state production. By modeling multi‑mode light fields and incorporating spin hyperfine interactions,...
Researchers at the Institute of Physical Chemistry, Polish Academy of Sciences have demonstrated that encapsulating a single molecule within cucurbit[7]uril (CB[7]) stabilizes its surface‑enhanced Raman spectroscopy (SERS) signal. By forming a supramolecular complex with thionine dye, the CB[7] cage suppresses...
Researchers at the University of Chicago and the University of Iowa have demonstrated that diamond nanoprobes containing nitrogen‑vacancy (NV) centers can detect inflammation in individual macrophages by measuring electric‑field‑induced shifts in the zero‑field splitting (ZFS) parameter. By introducing a secondary...
Yale researchers have created a DNA‑based nanodevice that can tug on individual proteins with piconewton precision. The U‑shaped frame clamps a protein via DNA handles that fold to apply controlled tension. Using talin as a test case, the device reproduced...
Researchers report that the lead‑free hybrid ferroelectric [N(C2H5)3CH3]FeCl4 (EMAFC) exhibits a bulk modulus of 42 GPa, the lowest compressibility recorded for any molecular ferroelectric. The material remains structurally stable and mechano‑chromic up to 51.5 GPa, undergoing a reversible P63mc‑to‑P1 phase transition at...
Perovskite solar cells have reached certified efficiencies above 25 percent, rivaling silicon panels, but commercialization remains constrained by scaling, stability, and cost challenges. The article outlines strategies such as tandem architectures and targeting niche markets—like building‑integrated photovoltaics and aerospace—to leverage perovskite’s...
Researchers introduced a one‑step coating method that transforms dye‑sensitized lanthanide upconversion nanoparticles (dsUCNPs) from hydrophobic, photolabile probes into highly hydrophilic, photostable agents. By applying unsaturated fatty acid salts—particularly sodium linolenate—the particles gain superior water dispersibility and a photobleaching half‑life 87...
Researchers have demonstrated that vacuum‑deposited thin films of specially designed polar molecules can spontaneously develop orientation polarization (SOP) by tilting their permanent dipoles against the substrate. By incorporating multiple fluoroalkyl substituents, the molecules achieve extreme structural asymmetry, producing a record‑high...
Early transition metal (ETM) chalcogenides display a broad structural palette, from disulfides to polychalcogenides, enabling tunable electronic, catalytic, and memory functionalities. The review adopts a dichalcogenide‑centered lens to link crystal polymorphism with performance in 2‑D devices, phase‑change memory, and energy...
Researchers introduced a hierarchically structured artificial solid‑electrolyte interphase (SEI) called ZnO@MX‑DE for aqueous zinc‑ion batteries. The engineered petalosphere heterostructure creates interlayer electron coupling that directs Zn²⁺ transport while repelling SO₄²⁻, dramatically improving ionic conductivity and Zn²⁺ transference. Laboratory tests showed...
Researchers have developed a colloidal synthesis route for quasi‑2D Cs2AgBiBr6 double‑perovskite nanosheets, achieving lateral dimensions up to 1.4 µm and thickness of only a few nanometers. By fine‑tuning ligand chemistry and reaction temperature, they obtained high‑purity nanosheets suitable for optoelectronic integration....
Researchers engineered an amorphous FeMoOx/porous carbon nitride interface featuring N‑Fe‑Mo interatomic charge bridges via orbital hybridization. This design accelerates electron transfer to peroxymonosulfate, dramatically lowering the Fe(III)→Fe(II) reduction barrier and favoring singlet oxygen generation. In a continuous‑flow test, the catalyst...
Researchers demonstrated that magnetic microparticles (MPs) driven by traveling‑wave magnetophoresis exhibit velocity differences when transported close to a substrate. The velocity disparity arises from surface‑functionalization‑dependent drag forces, as distinct polymer coatings (COOH vs COOH/NH2) change the average particle‑wall separation. Experiments...
Researchers introduced a one‑step hydrothermal method to co‑dope cobalt and nitrogen into a three‑dimensional graphene aerogel, creating a self‑supporting Co‑NGA electrode. The dual‑doping and porous architecture deliver a record specific capacitance of 2092 F/g at 1 A/g, far surpassing undoped graphene aerogels....
Researchers have engineered hybrid cryomicroneedle patches (pG/DL@npDC‑cryoMNs) that embed a neuroprotective dendritic cell vaccine within a methacrylated decellularized lymph‑node matrix and porous GelMA hydrogel. The device rapidly releases viable npDCs, triggers a strong CD4⁺ T‑cell response, and forms a non‑typical...
Researchers have engineered a silicon‑iron selenide heterojunction anode (Si@FeSe@C) featuring a robust Fe–Se–Si interfacial bond and an external carbon coating. The material delivers 1,092.8 mAh g⁻¹ after 100 cycles at 0.2 A g⁻¹ and sustains Coulombic efficiencies above 99.6% for 500 cycles at 1.0 A g⁻¹....
Researchers have created ionic polyimine nanocomposite membranes reinforced with inorganic conductive nanofillers (iCONs) via in‑situ polymerization. By varying iCONs loading, the membranes’ mechanics can be tuned bidirectionally—from highly flexible (76 % elongation) to rigid (8.56 MPa tensile strength). A wearable sensor built...
Researchers introduced an inverse high‑entropy design by embedding ferroelectric BaTiO3 into the quasi‑linear ceramic Bi1/6Na1/6Sr1/6Ca1/6Li1/6La1/6TiO3 matrix. This approach creates a weakly polar tetragonal phase that boosts polarization while maintaining breakdown strength. The resulting composites achieve recoverable energy densities up to...
Researchers introduced a cobalt single‑atom‑doped, nitrogen‑rich mesoporous carbon anchored on carbon nanotubes (Co‑NMC@CNTs) using a tetraethyl orthosilicate‑mediated co‑assembly route. The composite exhibits a large 23.7 nm mesopore size, robust one‑dimensional structure, and 13.6 at% nitrogen doping, which together lower potassium‑ion diffusion barriers....

Researchers Sobrino, Taddei, Fazio and colleagues analyzed Andreev‑mediated transport in normal‑superconducting quantum‑dot hybrids, showing that Coulomb interactions renormalize resonant conditions and suppress superconducting coherence. Their real‑time diagrammatic master‑equation approach revealed a marked reduction in current precision, even though average currents...

Researchers introduced path‑integral generalized smoothed trajectory analysis (PIGSTA), a post‑processing framework that systematically incorporates nuclear quantum effects into molecular dynamics simulations. By convolving existing trajectories with analytically derived kernels, PIGSTA corrects discretization errors caused by limited bead numbers, achieving exact...

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Estonian supercapacitor maker Skeleton Technologies opened its first U.S. engineering facility in Houston, Texas, to support AI data‑center customers. The graphene‑based devices can smooth power spikes and claim up to 45% energy savings for high‑performance computing workloads. Skeleton already has...
Researchers at Chiba University have experimentally quantified how poloxamer 407 (P407) micelles interact in phosphate‑buffered saline, a physiologically relevant medium. Using small‑angle X‑ray scattering and dynamic light scattering, they derived the pair interaction potential and observed that micelles become more regularly...

Scientists have optically detected the quantum Hall effect in silicon nanostructures at room temperature, using electroluminescence spectra linked to dipole‑center chains. The study shows nondissipative single‑carrier transport enabled by negative‑U boron dipole chains, producing fractional quantum Hall signatures and terahertz...
Researchers from several Chinese institutions have designed BC₂N/graphene heterostructures as high‑capacity anodes for lithium‑ion batteries. Six interface configurations were modeled, with the III‑HN and III‑HH variants delivering a theoretical capacity of 414 mAh g⁻¹, surpassing graphite and many competing 2D materials. The...

Researchers at UC San Diego unveiled a new bulk resistive RAM (RRAM) that switches an entire material layer instead of forming filaments, enabling 3D stacking and selector‑free operation. The devices are 40 nm wide, can be stacked in up to eight layers,...
An international team introduced a gas‑liquid‑solid (GLS) synthesis that produces MXenes with atomically uniform halogen terminations, eliminating the impurity‑laden surfaces of traditional chemical etching. The method, demonstrated on eight MAX phases, yields titanium carbide Ti₃C₂Cl₂ with a 160‑fold boost in...
Stanford researchers have unveiled a breakthrough technique that directly measures entropy production in quantum dots, providing the first experimental quantification of energy dissipation in a non‑equilibrium nanoscale system. By pulsing a laser to drive the dots far from equilibrium and...

University of Warwick researchers have introduced a simple, predictive method to calculate the motion of irregularly shaped nanoparticles in air, reviving a century‑old Cunningham correction factor. The new framework replaces spherical assumptions with a shape‑agnostic correction tensor, eliminating the need...
Researchers at India’s CSIR‑Central Scientific Instruments Organization demonstrated that incorporating reduced graphene oxide into SnO₂ and TiO₂ electron‑transport layers creates graphene‑engineered interfaces for flexible all‑inorganic perovskite solar cells. The graphene‑modified contacts boost interfacial conductivity, suppress trap‑assisted recombination and reduce hysteresis,...