Articles tagged with Magnetic Films
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Altermagnets exhibit unique magnetic structure due to unconventional symmetries, enabling spin-polarized electron currents. A new method reveals this hidden structure using circularly polarized light and resonant photoelectron diffraction.
Researchers from Queen Mary University of London have discovered a new way to engineer thin films that can adapt quickly to changing signals, making them highly responsive and efficient. The new material shows an unusually high level of tunability, reaching about 74% at microwave frequencies, with low voltage application required.
Researchers achieved direct measurement of nanometer-scale charge distributions formed at ferroelectric domain interfaces using electron microscopy. This study contributes to a deeper understanding of ferroelectric devices and their performance improvement.
Scientists successfully fabricated micron-scale metal patterns on living tardigrades, enabling controlled movement through magnetic fields. This breakthrough opens doors for micro/nanofabrication of living organisms and bio-inorganic hybrid systems.
In extremely thin films of niobium diselenide (NbSe₂), superconductivity becomes confined to the surface when thinner than six atomic layers. This discovery challenges previous theories and could have important implications for understanding superconductivity and developing advanced quantum technologies.
A new AI model developed by Tokyo University of Science's researchers predicts dendritic growth in thin films, offering a powerful pathway for optimizing thin-film fabrication. The model analyzes morphology using persistent homology and machine learning with energy analysis, revealing conditions that drive branching behavior.
Scientists identify the origin of magnetic moment enhancement in an iridium-doped iron-cobalt alloy through high-throughput X-ray measurements. The study reveals that Ir addition leads to increased electron localization and spin-orbit coupling, resulting in enhanced magnetic moments.
Researchers developed a novel approach to regulate temperature based on gold structure concentration, improving spin wave transfer efficiency. This innovation has promising potential for future applications using spin waves and addresses the persistent issue of heat generation in electronic devices.
Researchers developed a new superconductor material that uses a delocalized state of an electron to carry quantum information. The material could be used to create low-loss microwave resonators for quantum computing, which is critical for reducing decoherence and increasing the stability of qubits.
Researchers at Tohoku University propose a new concept for magnet-based memory devices using helical magnets' chirality to resolve crosstalk issues. The devices can be written and read out at room temperature, offering potential for high-density, non-volatile storage.
Scientists have developed a nonrelativistic and nonmagnetic mechanism for generating terahertz waves, harnessing the electrical anisotropy of two conductive oxides. This approach produces signals comparable to commercial terahertz sources and offers a high terahertz conversion efficiency.
A new study at BESSY II analyzed the formation of skyrmions in ferrimagnetic thin films of dysprosium and cobalt. The researchers directly observed Néel-type skyrmions using scanning transmission X-ray microscopy, revealing their domain wall type for the first time.
Researchers at Argonne National Laboratory have discovered ultrasmall swirling magnetic vortices, known as merons and skyrmions, in an iron-containing material. These tiny magnetic structures show promise for future computer memory storage and high-efficiency microelectronics due to their stability and adaptability to binary code.
Researchers at Shinshu University demonstrate the transformation of isolated skyrmions into bimerons in a magnetic disk, showcasing a potential new operation for future computing architectures. The discovery opens up novel spintronic applications based on different topological spin textures.
A team of researchers from Johannes Gutenberg University Mainz have successfully developed a new approach to improve the way data is processed and stored. By combining chirality in spin configurations and molecules, they aim to create faster, smaller, and more efficient data storage devices.
A team at Max Born Institute develops methods to reliably create and guide magnetic skyrmions at controlled positions, enabling the study of their dynamics and potential applications in computing and data storage. By employing focused helium-ion irradiation and nanopatterned reflective masks, researchers can control the generation and ...
Osaka University researchers developed an ultra-thin film of magnetite with superior crystallinity and conductive properties, overcoming challenges in spintronics technology. The discovery enables the film to undergo a temperature-dependent resistivity change, crucial for implementation in quantum computing technologies.
UNSW researchers stabilize a new intermediate phase in a room-temperature multiferroic material under stress, boosting electromechanical response by double its usual value. This breakthrough has exciting implications for next-generation devices and provides a valuable technique for international material scientists.
MnBi2Te4's unique properties make it suitable for ultra-low-energy electronics and observing exotic topological phenomena. The material is metallic along its one-dimensional edges while electrically insulating in its interior.
Researchers at Nagoya University have observed a new type of topological defect in chiral magnets, which has implications for fields of physics and technology. The team used Lorentz transmission electron microscopy to visualize the defects, revealing contrasting pairs of bright and dark areas.
Researchers at Far Eastern Federal University propose controlling spin-electronic properties of thin-film magnetic nanosystems through surface roughness. This approach maximizes useful spin-electron effects, enabling the development of new-generation tiny electronics and superfast computer memory.
Researchers have successfully made magnetic topological insulators at room temperatures, demonstrating a potential breakthrough in creating faster and more efficient electronics. The development uses heterostructures to create magnetism in TI surfaces, allowing for reduced power consumption and increased robustness.
Researchers at NIST have discovered a material that can reduce magnetic film stress by a factor of 200 and lower saturation field by a factor of 400, enhancing magnetic sensor sensitivity. This breakthrough could lead to improved applications in weapons detection, non-destructive testing, medical devices, and data storage.
Researchers at NIST developed a tiny device generating tunable microwave signals using individual electron spins. The device can be built into integrated circuits and may replace bulkier technologies with reduced cost.
Researchers at UMass have made a major step forward in nanoscopic pattern transfer, creating precise designs on polymer films without the use of chemicals. The breakthrough has implications for producing smaller integrated circuits, magnetic storage, and on-chip sensors.
Researchers used neutron tunneling to study magnetic properties of thin iron films, discovering a sensitive tool for exploring surfaces. The phenomenon shows promise for studying subtle magnetic phenomena in technological materials.