Researchers developed an emission-based refractometric sensor that couples the defect-related photoluminescence of a freestanding silicon nitride nanomembrane to high-Q quasi-BIC modes. The device resolved refractive-index changes as small as ?n = 0.001 in water and achieved a figure of merit of 250, while simulations showed that its sensitivity is concentrated near the membrane surface.
Researchers investigated how platelet size, organic surface modification, and loading affect MgAl- and ZnAl-LDH nanofillers dispersed in transparent PMMA through emulsion polymerization. The strongest formulations retained high visible transparency while improving thermal stability, stiffness, and UV blocking, with nanoscale dispersion and interfacial compatibility playing a larger role than intercalation level alone.
Researchers used plasma-engineered, (111)-textured TiN electrodes with nitrogen-rich, oxidation-resistant surfaces to reduce interfacial oxidation and lower the switching voltage of 5 nm Hf0.5Zr0.5O2 ferroelectric capacitors. The devices achieved saturated switching at 0.6 V, doubled remanent polarization to 31.5 µC/cm², showed no hard electrical breakdown through 10^12 bipolar cycles, and yielded sub-ns to low-ns switching when the measured area dependence was extrapolated to DRAM-relevant footprints.
Researchers combined thermal, optical, mechanical, and spectroscopic measurements to map the transformation of two-photon polymerization-printed POSS/acrylate microstructures into silica glass during thermolysis. The material progresses from a rubber-like organic-inorganic network to dense fused silica, with about 40% linear shrinkage and tensile strength reaching 5.94 ± 0.45 GPa after treatment at 1000 °C.
Researchers developed hydro/nano-bFGF, a two-stage delivery system that combines an enzyme-responsive, cartilage-adhesive hydrogel with bFGF-loaded nanocapsules to improve drug retention, cartilage penetration, and growth factor release near chondrocytes. In human osteoarthritic cartilage explants and rodent models, the system improved matrix regeneration, cartilage structure, and joint function, while long-term safety and clinical effectiveness remain to be determined in future studies.
Creating better-performing materials comes down to having more control over their structure at the smallest possible scale.
Researchers showed that point-defect engineering can control how copper nanoparticles exsolve from perovskite oxides, influencing exsolution yield, particle size, nucleation density, and anchoring. The study also found that oxygen vacancies are consumed during exsolution and that lattice strain can eventually limit further nanoparticle formation.
Researchers developed a high-throughput workflow that combined cryogenic spectroscopy, automated statistical analysis, and scanning transmission electron microscopy to link fabrication conditions and junction microstructure to the strongly coupled two-level system (TLS) density across about 6,000 Al/AlOx/Al Josephson junctions. They found that thicker aluminum electrodes and larger grains were associated with an approximately two-thirds lower detectable TLS density, while the precise microscopic cause remains unresolved.
Researchers developed a sacrificial-template porous silica thin film for electrochemically directed oligonucleotide synthesis that increased the available reaction area while preserving localized electrochemical control. The platform supported parallel synthesis of 121-nucleotide strands and recovery of an encoded 60-byte message, while highlighting remaining challenges in synthesis fidelity, parallelism, and cost.
Nanocoating technology reduces interfacial resistance between electrode and electrolyte, maximizing efficiency in both hydrogen production and power generation
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