Researchers used transient grating spectroscopy to track elastic changes associated with spinodal decomposition in Fe-Cr alloys, linking TGS measurements in Fe-36Cr with atom probe tomography and composition-based modeling. The work shows that the elastic response depends on chromium content and points to TGS as a potential non-destructive method for monitoring thermal aging in high-chromium ferritic phases.
Mechanical microembossing altered the surface structure and near-surface PLA/PBAT distribution of 70/30 blend films while preserving previously reported water-repellent behavior. Under controlled incubation with Bacillus subtilis, patterned films showed greater biodegradation-related mass loss than untreated films, with the largest loss reaching 7.50% after 115 days.
A collaboration between the University of Illinois Urbana-Champaign's Grainger College of Engineering and the University of Notre Dame has broken the world record for optical switching speed in quantum well LEDs.
Researchers engineered asymmetric copper sites in Cu/ZIF-8 to drive Fenton-like hydroxyl radical generation at neutral pH, addressing a key chemical limitation in polishing 4H-silicon carbide. In CMP tests, the catalyst raised the material removal rate to 62.4 nm min?¹ while producing subnanometre surface roughness and low residual dissolved copper.
Polarons are fundamental quasiparticles in solids. (Quasiparticles are excitations that act like particles despite their complex many-body interactions with their environment.)
Some of the most important discoveries in materials science and structural biology come down to a simple question: where, exactly, are the atoms- The arrangement of atoms determines nearly everything about how a material behaves in the real world — how strong it is, how it conducts electricity, how a battery stores energy, or how a drug binds to a cell.
Researchers directly imaged voltage-driven blistering in two-dimensional nanochannels and linked those structural changes to ionic conductance, hysteresis, and memory. Their experiments and modeling show that osmotic and electrostatic forces can drive different blister responses, helping explain why nominally similar nanofluidic devices behave differently.
H.E.L Group, a specialist in scientific instrumentation for chemical research, process development and safety testing, announces the ChemSCAN+, an advanced parallel reactor platform designed to provide greater flexibility and automation in catalyst screening and reaction optimization.
H.E.L Group, a specialist in scientific instrumentation for chemical research, process development and safety testing, announces the TSu+, a bench-top process safety platform combining thermal and pressure hazard screening with open-cell vent characterization to support safer chemical process development.
Researchers developed bPDMS@Fe, a self-healing silicone elastomer that adheres strongly to tissue and other surfaces, then weakens under UV light for controlled removal. In mice, a nine-channel cortical electrode using the material recorded seizure-related brain activity on days 7 and 14, while separate histology experiments tracked tissue responses through day 28.
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