Fysik & material

Scientists have discovered that iridium atoms placed on iron surfaces develop inverted magnetic properties—a finding with potential applications in magnetic sensors and data storage devices. The effect remains stable across different distances, suggesting it could be engineered reliably into commercial spintronic technologies.EN

Researchers have identified four ways that tiny metal particles can boost semiconductor efficiency in splitting water into hydrogen fuel using sunlight. The findings could help make solar-to-hydrogen conversion cheap enough for commercial deployment, addressing a critical bottleneck in replacing fossil fuels with clean energy.EN

Researchers have engineered nanostructured vanadium oxide thin films capable of detecting ammonia at parts-per-billion concentrations—far below what conventional sensors achieve. The advance could enable more sensitive environmental monitoring and workplace safety systems, addressing a key gap in chemical detection technology for industrial and regulatory compliance.EN

Researchers discovered that electron interactions in iron reduce the energy needed to form vacancies—tiny crystal defects—bringing theoretical predictions into line with reality. The finding matters for industries relying on steel's strength and durability, from construction to automotive, as it reveals the mechanisms controlling material degradation and could improve how engineers design stronger alloys.EN

Researchers have developed a room-temperature process that dramatically improves how well heat moves through plastic composites used in electronics and aerospace. By treating boron nitride particles with microplasma before mixing them into polymers, the team increased thermal transport by 8.5 times compared to untreated plastics—potentially enabling smaller, more efficient devices and systems.EN

Scientists used computer modeling to predict how iridium—a precious metal used in catalysts, electronics, and aerospace—transforms under crushing pressure. The findings reveal unexpected crystal arrangements that could help manufacturers better predict material behavior in high-stress applications and refine how we extract and process this valuable element.EN

Researchers discovered that tiny pockets of high-density electrons disrupt graphene's quantum Hall effect at high currents, causing resistance to oscillate unpredictably. The finding explains why graphene devices underperform in extreme conditions and suggests engineers must account for these microscopic imperfections when designing next-generation electronics.EN

Researchers have developed the first computational model that accurately predicts water's behavior across all conditions—from gas to liquid to solid—by properly accounting for complex molecular interactions. The breakthrough could transform drug development, materials science, and industrial chemical processes that depend on precise water modeling.EN

Researchers discovered that the type of solvent dramatically changes how flexible molecules align during self-assembly, even though their underlying structure remains unchanged. The finding could guide manufacturers designing new materials for pharmaceuticals, electronics, and other industries where molecular organization directly determines product performance.EN

Researchers have identified why tin selenide (SnSe) converts heat to electricity far more efficiently than expected—a discovery that could accelerate development of thermoelectric devices for power generation and cooling. Understanding this mechanism removes a major barrier to engineering commercial applications in waste heat recovery and thermal management systems.EN