Articles tagged with Spintronics
Scientists from the University of Groningen have shown that nonlinear effects can be achieved using 2D boron nitride, enabling spin signals to multiply and be measured without ferromagnets. This technology has potential applications in neuromorphic computing and spin-based electronics.
Researchers found that damping-like torque, previously thought to be small, can dominate spin reorientation in antiferromagnetic materials. This discovery could lead to efficient spin manipulation and ultrafast switching in spintronics devices.
A UNSW study demonstrates all-electrical spin-to-charge conversion without magnetic field, enabling fast detection of spin accumulation in strongly spin-orbit coupled materials. The non-linear method facilitates orders of magnitude faster detection and time-resolved read-out down to 1 nanosecond resolution.
Researchers have developed a gallium arsenide-based ferromagnetic semiconductor that can act as memory by quickly switching its magnetic state in the presence of an induced current. The new material suppresses instability and lowers power consumption, offering highly efficient memory.
Researchers have developed an all-solid redox transistor containing a thin film of Fe3O4 on magnesium oxide and lithium silicate electrolyte, enabling reversible rotation of the magnetization angle in magnetite at room temperature. The device operates with lower power consumption than traditional spin current injection methods.
Researchers at Tohoku University successfully demonstrated current-induced switching in a polycrystalline metallic antiferromagnetic heterostructure with high thermal stability. This breakthrough enables potential applications in future electronic device development.
Researchers studied Germanium telluride crystals at the nanoscale to understand its ferroelectric properties and their potential applications in non-volatile spintronic devices. The study found two distinct types of boundaries surrounding ferroelectric nanodomains with sizes between 10 to 100 nanometres.
Scientists at Linköping University develop a lead-free magnetic double perovskite with interesting optoelectronic properties, opening the possibility of coupling spintronics with optoelectronics. The new material exhibits a magnetic response at temperatures below 30 K.
A team of researchers has developed a new technique for magnetization switching in spintronic devices, nearly 100 times faster than current state-of-the-art methods. The breakthrough could lead to the development of ultrafast magnetic memory for computer chips that retain data even when power is off.
A team of scientists successfully fabricated a giant magnetoresistive device comprising single-crystal Heusler alloys on a practical silicon substrate. The device performs comparably to the one grown on a heat-resistant MgO substrate, overcoming challenges in high-performance magnetoresistive devices.
Scientists at Mainz University prove that information can be stored electrically in antiferromagnetic materials. By using currents instead of magnetic fields, they improve the efficiency of writing operations, paving the way for applications such as smart cards and ultrafast computers.
Researchers have developed a new type of magnetic tunnel junction with four resistance states, enabling the creation of multi-level memory devices and neuromorphic memory. This breakthrough paves the way for more efficient spintronics devices.
Researchers from Russia and Spain propose a new model that describes electron spin behavior in semiconductor nanowires, enabling quick spin flip with controlled electric fields. The findings suggest that optimal interval of control fields is necessary to avoid losing valuable information.
Researchers at Tohoku University and the University of Gothenburg developed a novel voltage-controlled spintronic oscillator capable of closely imitating non-linear oscillatory neural networks. The technology allows for strong tuning with negligible energy consumption, enabling efficient training of large neural networks.
Researchers at the University of Basel developed a new technique for efficient control and detection of electron spins in semiconductor devices. The spin valves can be controlled individually using nanomagnets, allowing for precise determination of electron spin orientation.
Researchers at Bar-Ilan University have developed a structure that can support exponentially many discrete magnetic states, opening the door to ultra-high-density magnetic memory and novel computing applications.
Scientists at Tokyo University of Science synthesized a compound that may be key to understanding the elusive quantum spin liquid (QSL) state. The QSL state is characterized by disordered spins, similar to molecules in liquid water but unlike crystalline ice.
Scientists have discovered a revolutionary method to transfer and amplify pure spin current using thin layers of antiferromagnetic NiO. This breakthrough could lead to significant advancements in high-speed, energy-efficient data technology.
Spin-gapless semiconductors (SGSs) bridge zero-gap materials and half-metals, exhibiting fully spin-polarized electrons and holes. Dirac type SGSs show extremely high electron mobility, enabling dissipationless edge states for ultra-fast electronics.
Researchers have made significant advancements in graphene spintronics, enabling the efficient creation, transport, and detection of spin information. This field holds promise for applications in quantum computation, space communication, and high-speed radio links.
Scientists create vertical spin valves using 2D van der Waals materials, eliminating the need for a spacer layer. The devices exhibit low resistance-area products and low operating current densities, making them suitable for future spintronics applications.
A team of physicists at the University of Arizona discovered a thin layer of iron oxide that explains a long-standing puzzle in magnetic tunnel junctions, which could lead to faster and more efficient spintronics. The finding opens up new possibilities for developing this technology, potentially revolutionizing computing.
The study demonstrates that nanoscale magnetic gyroids can adopt a large number of stable states, exhibiting ferromagnetic behavior without a unique equilibrium configuration. The findings establish gyroids as a candidate system for research into unconventional information processing and emergent phenomena relevant to spintronics.
Researchers at Spintec Laboratory and CNRS/Thales Laboratory developed a non-magnetic system to detect spin information at low power. This breakthrough enables the creation of ferroelectricity-based spintronic devices that consume significantly less energy than traditional systems.
Researchers have found a unique connection between magnetic properties and atomic dynamics in troilite, which could enable new technologies such as spintronic computing. The material's transition into a magnet controls instabilities in its crystalline structure, causing it to change from a conductor to an insulator.
A new research project called SpinAge aims to develop a neuromorphic computer system that can mimic the human brain's synapses and neurons, increasing computer performance by up to 100,000 times. The project, coordinated by Aarhus University, seeks to reduce energy consumption in current computing systems by at least a factor of 100.
Researchers at KIST have successfully controlled the magnetic properties of FGT, a material with potential for next-generation spintronic semiconductors. The discovery could accelerate the development of devices that operate 100 times faster than current silicon-based electronic devices.
Researchers have found that non-encapsulated few-layer CrI3 has a rhombohedral structure at low temperatures, contradicting previous findings. The study also shows spin-phonon coupling occurring below 60K, which affects the Hamiltonian of Raman modes and has potential implications for novel spintronic devices
Researchers from UC Riverside have developed an electrical detection method for terahertz electromagnetic waves, which can miniaturize equipment on microchips and enhance sensitivity. The discovery has significant implications for ultrafast and spin-based nanoscale device applications.
Professor Georg Woltersdorf has been appointed as a Max Planck Fellow to investigate dynamic phenomena in novel electronic materials using optical methods. The research aims to develop ultrafast logic devices and information storage, leveraging expertise from the Max Planck Institute for Microstructure Physics.
Researchers at Tokyo Institute of Technology developed a novel strategy to exploit spin-related phenomena in topological materials, achieving a giant unidirectional spin Hall magnetoresistance ratio of over 1%. This breakthrough could lead to the development of spintronics and outperform current storage devices with improved power cons...
A team of researchers from Kiel University has developed more stable spin states in molecules, enabling potential applications in computing and data storage. The newly created compounds feature three properties that are coupled together to create a self-assembling switch, revolutionizing the field of molecular spintronics.
MIT researchers have devised a novel circuit design that enables precise control of computing with magnetic waves, without any extra components or electrical current. This approach leverages the spin wave property in magnetic materials to produce measurable output that can be correlated to computation.
Researchers have discovered unconventional energy- and direction-dependent spin textures on the surface of pyrite-type crystals, enabling both in-plane and out-of-plane spin components. This finding opens new possibilities for topological spintronics devices and unlocks the potential of pyrite in future spintronics applications.
A microscopic process of electron spin dynamics in nanoparticles has been identified, which could have wide-ranging impact on applications in medicine, quantum computation, and spintronics. The research provides insights into the principles of energy dissipation in nanomagnets, enabling engineers to build better devices.
Physicists demonstrate electrically readable antiferromagnetic materials for ultra-fast logic applications. Antiferromagnets show superior properties over ferromagnets.
Researchers from FEFU and FEB RAS developed a nanoheterostructure consisting of magnetite film and silicon substrate, which can be used as a source of spin-polarized electrons. The new structure offers high spin polarization efficiency, enabling the creation of spin injectors for spintronic devices.
Researchers from MLU Halle have created a patented concept for novel diodes and transistors that utilize spintronics to improve energy efficiency. The new components combine data processing and storage with no energy loss, offering flexible reconfigurability.
Physicists at the University of Groningen created curved spin transport channels, enabling independent control over charge and spin currents. This discovery could lead to more energy-efficient electronics by allowing spin injectors and detectors to be integrated into modern 3D circuitry.
Scientists have discovered magnetic Weyl semimetals, which exhibit both topological and magnetic properties. These materials have the potential to enable dissipationless transport and revolutionize data storage and energy conversion.
A new device demonstrates how p-bits can perform calculations traditionally done by quantum computers, with potential applications in fields like drug research, cybersecurity, and data analysis. Hundreds of p-bits could be used to solve larger problems in the near future.
Physicists have developed a novel method to create high-performance spintronic devices using organic molecules, which can be easily configured for different functions. The new fabrication method uses layers of molecules that can be painted or printed onto metals, offering a promising alternative to traditional materials.
Researchers at Paul Scherrer Institute successfully prove existence of Weyl fermions in a paramagnetic material with slow magnetic fluctuations, expanding possibilities for spintronics and future electronics. This discovery could lead to more efficient transportation of information, potentially revolutionizing computer technology.
Scientists at FLEET discovered novel magnetic properties in 2D structures with potential for ultra-high speed and low-energy electronic devices. The study reveals antisymmetric giant magnetoresistance in van der Waals Fe3GeTe2/graphite/Fe3GeTe2 tri-layer heterostructures.
Researchers discovered a new metallic and air-stable 2D magnet in platinum diselenide (PtSe2), which can be manipulated by strategically placing defects across its surface. This breakthrough has the potential to enable ultra-thin metallic magnets for future spin-transfer torque magnetic random-access memory devices.
Scientists at the University of Tokyo developed an efficient magnetization reversal component using gallium manganese arsenide, reducing current densities by one to two orders of magnitude compared to previous methods. This breakthrough aims to advance spintronics, a promising technology for low-power logic and memory devices.
Researchers from Tohoku University have developed artificial neuron and synapse devices using spintronics technology, mimicking the brain's architecture. The devices demonstrated fundamental behavior of biological neurons and synapses, including leaky integrate-and-fire and spike-timing-dependent plasticity.
Researchers have demonstrated a new way to perform functions essential to future computation at speeds trillions of times faster than current commercial devices. The team created a nanoscale spintronic semiconductor device that can partially switch between specific magnetic states in under a picosecond.
Researchers from University of Tokyo discover magnetic spin Hall effect in non-collinear antiferromagnet Mn3Sn, enabling efficient spin current transfer. This could lead to high-speed and high-capacity devices with improved power efficiency.
Researchers created a new testing ground for quantum systems to study spin current decay and its effects on spintronics. This breakthrough may lead to advances in computing and electronic devices that use spin instead of electrons' charge.
Physicists at the University of Utah have built two devices using perovskite to demonstrate its potential in spintronics. The materials' properties bring the dream of a spintronic transistor one step closer to reality.
The team produced spintronic oscillators that strengthen spin wave signals in several steps, demonstrating a new phenomenon. They showed sharp jumps in frequency from the fundamental tone to much higher frequencies using overtones, paving the way for faster data transmission rates in wireless communication.
Scientists at Tokyo Institute of Technology propose a new mechanism to generate spin currents without energy loss, exploiting the Rashba effect in quasi-1D materials. The mechanism simplifies potential spintronic devices and allows for further miniaturization.
A team of researchers has found a surprising link between emergent magnetism and mechanical pressure in artificially engineered non-magnetic oxide heterostructures. The study reveals that the strength of magnetism can be controlled by applying pressure to the material, opening new routes for developing novel spintronic devices.
A Polish-German team of physicists has described the dynamic phenomena occurring at the interface between a ferromagnetic metal and a semiconductor, filling the 'thermal' gap in material knowledge. The study used computational models to simulate atomic vibrations and showed that the interface exhibits unique patterns.
A team demonstrated an x-ray imaging technique that can image antiphase magnetic domains in antiferromagnets, a key step towards controlling their magnetic structure. This could lead to the development of smaller, faster, and more robust electronics using spintronics.
Researchers have developed a novel ferrimagnetic spintronic memory device, outperforming traditional ferromagnet-based memories in terms of stability and efficiency. The new technology has the potential to accelerate the growth of the spintronic industry.
Physicists have successfully transferred information over long distances using antiferromagnetic iron oxide, a material found in rust. This breakthrough aims to create fast and efficient computing devices with reduced heat production.
A team of researchers has discovered a general mechanism for the long-range electromagnetic proximity effect in superconductor-ferromagnet structures. This finding explains how ferromagnetic films can transfer magnetic fields to their corresponding superconductors, contradicting previous experimental results.
Researchers at EPFL demonstrated electric field control of spin in germanium telluride and multiferroic semiconductors using SARPES technique. This breakthrough enables programmable semiconductor-based spintronics with reduced energy consumption.