Articles tagged with Spintronics
Researchers have identified evidence of altermagnetism in Co₁/₄TaSe₂, a layered material with promising characteristics for spintronics and ultrafast memory devices. The discovery could enable the development of new electronic and spintronic technologies.
Researchers used SNVM microscopy and Fourier-space vector reconstruction to detect magnetic anisotropy in zigzag graphene nanoribbons embedded in hBN. The results show a peak magnetic field of 0.37 millitesla, providing direct evidence of perpendicular magnetic anisotropy.
A team of researchers used low-temperature STM to investigate image potential states on Bi(111), a material with higher-order topological character. They observed a strikingly unexpected splitting feature, which they propose is related to a monopole-like topological magnetoelectric response.
Researchers at BESSY II have made a breakthrough in spintronics by controlling spin patterns in magnetic material FNPP. By applying a tiny external magnetic field, the team was able to modify and create desired structures in a controlled manner, advancing the development of functional magnetic materials.
Researchers at the University of Warwick have created a new material combining magnetism and electrical polarisation, making it possible to switch magnetic information using an electric field. The material works at close to room temperature, a significant breakthrough for energy-efficient computer memory.
Researchers developed a composite material with three-dimensional nano-interfaces, enabling thermoelectric conversion in a macroscale material. The spin Seebeck effect was successfully observed in an insulator, providing a new material design paradigm for thermal energy utilization.
Researchers at the University of Osaka developed novel chiral hole-transport materials that improve perovskite solar cells with strong chirality-induced spin selectivity. The materials showed spin polarization reaching about 60% and a power conversion efficiency of 20.64% in cells treated with the homochiral material.
MIT researchers have overcome a major challenge holding back the real-world deployment of microwave quantum technologies. They developed a scalable platform that generates pairs of highly correlated radio frequency waves at room temperature, enabling secure communications and high-precision radar and sensing.
A team from the University of Osaka has created a new family of chiral semiconducting polymers that can generate highly spin-polarized electric currents. The polymers' unique molecular structure enhances the material's ability to selectively transmit electrons with a particular spin orientation, paving the way for future energy-efficie...
Researchers developed a novel method to probe how mirror-image materials structure acts like a microscopic filter, influencing electron separation and movement. The approach allows for faster testing of promising materials for spintronics and optoelectronics technologies.
Scientists at JGU have visualized the interaction of antiferromagnetic skyrmions, showing they move along straight trajectories aligned with the driving current. This reproducibility is crucial for spintronic devices that require reliable motion of multiple skyrmions.
Researchers developed an inverse-design framework to optimize magnonic crystal design, identifying unconventional lattice structures with large band gaps. The approach enables the exploration of previously unexplored material systems and device dimensions, paving the way for high-speed spin-wave computing and energy-efficient devices
A research team from Tohoku University successfully controlled the spiral handedness of a metallic helimagnet using spin-polarized neutron scattering. This breakthrough enables ultra-high-density storage by utilizing the material's chirality to represent binary data.
Scientists at Johannes Gutenberg University Mainz successfully utilized orbital currents for the first time, eliminating the need for conversion to spin currents. This breakthrough enables the development of large-scale storage media with extremely low energy consumption, paving the way for future memory devices and processors.
Researchers have developed novel spintronics-based probabilistic processors that accelerate complex optimisation tasks while consuming less energy. The systems achieved significant speedups and energy savings compared to conventional computers, highlighting a promising route towards faster and more energy-efficient optimisation.
Researchers have developed a new manganese-based material that can store data at higher temperatures than existing iron-based materials. This breakthrough in spintronics allows for the creation of more efficient data storage devices.
A team of researchers from Science Tokyo has developed a new method to reversibly switch the chirality of semiconductor materials using electrochemistry. This innovation enables the creation of spin-polarized currents in layered non-chiral semiconductors, opening up new directions for developing ultrafast and energy-efficient devices.
Researchers develop a new strategy to control electronic and magnetic properties of oxide thin films through nanoparticle exsolution, resulting in giant insulator-to-metal transition and room-temperature superparamagnetism
A nonvolatile phase-programmable spintronic terahertz emitter has been developed, allowing for ultrafast programming of terahertz wave phases. The device demonstrates reversible write-read-reset processes and spatial terahertz phase patterning with high signal-to-noise ratios.
A Japan-US collaborative team has developed the world's first integrated spintronic probabilistic bit on a silicon chip, paving the way for large-scale spintronic p-computers. The innovation addresses computational problems requiring parallel processing of enormous numbers of possible states.
A new approach to guiding spin waves around sharp corners has been developed, resulting in a significant boost in signal strength. The innovation uses a two-dimensional magnonic crystal with a copper film perforated with holes, creating a 'complete magnonic bandgap' that reflects spin waves.
Researchers developed high-performance catalysts that convert ortho hydrogen to para hydrogen before liquefaction, reducing energy release and partial vaporization of liquid hydrogen. This innovation is expected to contribute to the development of a hydrogen economy in Japan.
Researchers developed a memory technology that stores data using almost no electricity by controlling spin states through temperature changes. The approach reduces energy consumption by up to 66 times compared to existing methods, making it suitable for low-power memory technologies.
Researchers at KTH Royal Institute of Technology have found a new, potentially more energy-efficient way to transmit information in electronic systems. By twisting two layers of certain atom-thin magnetic materials, they can generate and control magnetic signals without relying on electrical currents.
A team has successfully tracked the rapid change in magnetic order in a ferro-antiferromagnetic bilayer system after a short laser pulse excited the system. The study, conducted at BESSY II, reveals that the excitation is transported from hot electrons in the ferromagnetic metal to spins in the antiferromagnet.
Researchers at Rice University have engineered a new multiferroic material that exhibits orders of magnitude higher performance at room temperature than its parent material. The new material shows a 10-fold increase in magnetization and a 100-fold increase in magnetoelectric coupling, making it promising for low-energy computing.
A research team from China has developed a material with high charge-to-spin conversion efficiency, achieving record-breaking performance in spintronic devices. The discovery utilizes nonsymmorphic symmetry to stabilize the material and enables ultra-low power magnetic switching.
Researchers at DTU have developed a new magnetic material that features a stable internal magnetic structure and almost no external magnetic field, above room temperature. This could enable faster components and lower energy consumption in spintronics.
Researchers found that electron spin interacts differently with mirror-image molecules, causing small but meaningful differences in behavior during dynamic processes. This asymmetry could lead to the dominance of a single 'hand' in biology, offering a possible route toward understanding how one molecular form came to dominate.
Researchers at Tohoku University successfully measured the attempt time in nanomagnets for the first time, finding it to be 4-11 nanoseconds. This value can serve as a more accurate foundation for developing and evaluating the stability of magnetic devices.
Researchers at Indian Institute of Science have devised a method to grow high-quality 2D magnetic materials over centimetre-scale wafers, paving the way for their integration into next-generation electronics. The technique uses Physical Vapour Transport Deposition and enables scalable fabrication with minimal surface roughness.
Researchers at Tohoku University discovered a way to control tiny magnetic properties using electric current, paving the way for new computing technologies. This approach stabilizes spins in energetically unfavorable states, allowing for more flexible data storage.
Researchers at the University of Manchester found that large-area MoS₂ reduces energy loss in magnetic memory films by altering the film's internal crystal structure. This effect is not confined to laboratory-scale samples and has implications for real, scalable spintronic technologies.
Researchers at Tohoku University discovered that antiferromagnets can exhibit a liquid-crystal state under an electric current, directly detectable as an electrical resistance change. This phenomenon has the potential to provide qualitatively new device functions.
A new study by MANA demonstrates that strongly correlated insulators can behave differently, allowing spin and charge excitations to exist independently. This enables the creation of new electronic modes that actively modify band structures under external stimuli.
Physicists at the University of Utah have developed a new, streamlined system for generating orbital angular momentum in electrons, allowing for cheaper and more abundant materials. The innovation uses natural symmetry and vibrations of atoms to control electron momentum.
Researchers have uncovered a dense network of magnetic nodal lines in cobalt, which are intrinsically spin-polarised and give rise to fast, topologically robust charge carriers. These unique properties open new perspectives for exploiting magnetic topological states in future information technologies.
A new regenerator material composed solely of copper, iron, and aluminum can achieve cryogenic temperatures without using rare-earth metals or liquid helium. The material utilizes a special property called frustration found in magnetic materials to demonstrate practical-level performance.
Chiral phonons can generate orbital currents in common crystal materials without needing magnetic elements, offering a promising path to developing less expensive and energy-efficient orbitronic devices. This breakthrough is made possible by the intrinsic magnetism of chiral phonons, which allows them to convert into orbital current.
Researchers present novel theoretical framework explaining non-monotonic temperature dependence and sign reversal of chirality-related AHE in highly conductive metals. The study reveals clear picture of unusual transport phenomena, forming foundation for rational design of next-generation spintronic devices and magnetic quantum materials.
Scientists introduce a groundbreaking approach to generate significant photocurrents from perfectly symmetric materials by engineering surface electronic states. This discovery opens new pathways for designing ultrafast spintronic devices and energy harvesting systems.
Researchers have discovered a unique cobalt-based molecule that can function as a spin quantum bit, providing a new design strategy for molecular materials used in quantum information technologies. The molecule exhibits slow magnetic relaxation and delocalized electron spins, allowing it to stabilize the quantum state.
Researchers develop record-high circular polarization of 25.3% in GaN-based spin-LEDs using multi-periodic spin tunnel junction, enabling zero-field spin-LED performance. The design harnesses topological spin textures for controlling electrons and filtering, achieving a breakthrough in device operation.
Researchers have demonstrated altermagnetism in RuO₂ thin films, a promising new magnetic material for high-speed, high-density memory devices. The discovery overcomes limitations of conventional ferromagnets and has the potential to enable more energy-efficient information processing.
A team of researchers at Waseda University has discovered a new correlation between spins, orbitals, and lattice distortions in spinel-type compounds. Magnetic ordering can trigger Jahn-Teller distortions through spin-orbit coupling.
Researchers at AIMR and UC Santa Barbara develop a breakthrough digital p-bit design that eliminates bulky analog components, enabling self-organizing hardware-based probabilistic computing. This advances applications in AI, logistics, scientific discovery, and future computing systems.
Scientists successfully visualize two distinct mechanisms of magnetism switching in antiferromagnets, providing insights into ultrafast magnetic memory and logic devices. The findings suggest that the material itself could switch even faster under appropriate conditions.
Researchers propose combining altermagnetism with molecular ferroelectrics for precise spin polarization control. This breakthrough enables electrically writable, multi-level magnetic memories and ultra-low-power spintronic devices.
Synchrotron radiation sources provide a toolkit for characterizing quantum materials and devices, enabling precise control over quantum systems. Key methods include non-destructive imaging and X-ray diffraction.
Researchers at Waseda University have demonstrated a transformative approach for realizing skyrmion logic based on fluidic principles, utilizing the flow behavior of many skyrmions to simplify device operations. This breakthrough enables the development of nanofluidic logic gates with reduced complexity and improved stability.
The study definitively resolves the controversy by capturing complete two-dimensional snapshots of electron spin and orbital shape on the Au(111) Shockley surface state. The experiment unambiguously confirms the Rashba effect, establishing a robust reference dataset for spin-resolved photoemission.
A research team has taken a major step forward in spintronics by discovering dual torque from electron spins driving magnetic domain wall displacement. This breakthrough could lead to the development of high-speed, energy-efficient memory chips using artificial antiferromagnetic materials.
Researchers at Kyushu University have developed a new method to build more energy-efficient magnetic random-access memory (MRAM) using thulium iron garnet. The team successfully produced thin films of platinum on the TmIG material, enabling high-speed and low-power information rewriting at room temperature.
Scientists observed tiny but spontaneous distortions in the crystal lattice of Cu_xBi_2Se_3 as it entered a superconducting state. This marks the first clear evidence of a topological superconductor coupling to the crystal lattice, advancing understanding of exotic electronic states.
Scientists successfully created three-dimensional skyrmion tubes in synthetic antiferromagnets, which move differently than two-dimensional counterparts. This breakthrough enables the potential for a third dimension of data storage, essential for brain-inspired computing and quantum computing.
Researchers have discovered remarkable spin-related material properties of Germanium-Tin (GeSn) semiconductors, which may offer advantages over conventional materials in quantum computing and spintronics. GeSn alloys provide low in-plane heavy hole effective mass, large g-factor, and anisotropy, making them promising for qubits and low...
Scientists developed a custom Kelvin probe force microscopy system to study the chiral-induced spin selectivity effect in chiral halide perovskites. The study reveals nanoscale 'spin maps' that show the strength and spatial uniformity of the CISS effect.
Scientists at OIST use advanced spectroscopy to track the evolution of dark excitons, overcoming the fundamental challenge of accessing these elusive particles. The findings lay the foundation for dark valleytronics as a field, with potential applications in quantum information technologies.
Scientists have found a new way to manipulate electron transport by exploiting the orbital magnetization of ferromagnetic oxide films. This discovery reveals unexpected electronic behaviors and opens new avenues for designing materials like magnetic sensors with tailored properties.
Researchers at Kobe University investigated how different manufacturing techniques affect the electronic structure of magnetic tunnel junctions. They found that the surface of ferromagnets is different when insulators are transferred to them compared to growing crystals on insulator flakes. This difference influences device behavior, p...