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Tag: magnetism

Scienceenvironment

Optical skyrmions can control the motion of magnetic skyrmions

Magnetic skyrmions are swirling patterns of magnetization that form inside certain magnetic materials. They behave like actual particles, exhibiting a stable internal structure and distinct boundaries. Because they are extremely small and can be moved with little energy, magnetic skyrmions are promising information carriers for emerging technologies like low-power memories and logic circuits. A major goal is finding ways to control their motion with high precision.

physicsnanotechnologymagnetismopticsdata storage
Science

Electrical sliding switches graphene between magnetic states

Researchers at Cornell University have discovered a groundbreaking method to control quantum properties in two-dimensional materials. By electrically sliding the layers of ultrathin graphene, they can switch the material between distinct magnetic states. Remarkably, these magnetic states persist even after the applied voltage is removed, offering significant potential for future quantum devices and advanced data storage technologies.

graphenequantum physicsmagnetismnanotechnologymaterials science
Scienceenvironment

From nonmagnetic to magnetic: A 2D semiconductor

Researchers from the National University of Singapore, in collaboration with international institutions, have demonstrated a novel method to introduce magnetism into an otherwise nonmagnetic two-dimensional semiconductor. By utilizing an electrical voltage, the team successfully controlled the magnetic properties of the atomically thin material, opening new pathways for advanced spintronic applications.

semiconductormagnetismspintronicsnanotechnologyphysics
Technologygadgets

Chemical disorder gives new ceramic film magnetic properties

Researchers at Penn State and collaborating institutions have developed a new ceramic film that exhibits unexpected magnetic properties through chemical disorder. This material, which is thinner than a human hair, could pave the way for faster and more energy-efficient computing devices. The breakthrough centers on manipulating atomic structures to create functionalities not typically found in traditional ceramics. By leveraging this technique, scientists hope to address major power consumption challenges in modern electronics.

materials sciencenanotechnologyelectronicsmagnetismpenn state
Science

Liquid-Crystal-Like Magnetism Discovered in Rare-Earth Compound

Researchers at Rice University have uncovered a novel magnetic state in a rare-earth compound containing ytterbium. Rather than forming traditional magnetic order, the quantum spins within the material behave akin to molecules in a liquid crystal. This collective quantum behavior explains long-standing puzzles regarding the material's unusual physical properties, offering new insights into complex quantum materials and emergent phenomena in physics.

magnetismquantum physicsrare-earthliquid crystalrice university
Science

Plasma-Grown Particles Enhance Magnetization in Electronics

Researchers have developed a new microstructure in amorphous soft magnetic composites using Ar/O2 plasma treatment. This innovation allows for easier magnetization reversal in materials essential for high-frequency electronics. By creating supranano multi-precipitates, the team successfully reduced coercivity while preserving the material's overall performance, paving the way for more efficient electronic components.

materials scienceplasmaelectronicsmagnetismnanotechnology

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