Articles tagged with Spintronics
Researchers have developed a scaled-up version of a probabilistic computer using stochastic spintronic devices, suitable for combinatorial optimization and machine learning. The new design combines conventional semiconductor chips with modified spintronic devices, achieving massive improvements in throughput and power consumption.
Researchers at KAUST have developed a spintronics-based logic lock to defend chip security, which can be integrated into electronic chips to fend off malicious attacks. The design uses magnetic tunnel junctions to scramble the circuit's operation unless the correct key combination signal is supplied.
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.
Researchers at Tokyo Institute of Technology have developed a novel nanowire fabrication technique, allowing for the direct creation of ultrafine L10-ordered CoPt nanowires with high coercivity on silicon substrates. The technique enables significant improvements in spintronic device fabrication.
Researchers discovered a novel metallic crystal, Kagome metal, with unusual electronic behavior on its surface. The material's unique atomic structure allows for the manipulation of electrons' spin chirality, which can be controlled by applying a local voltage.
Scientists used new instrumentation to study the chiral magnetic ordering of Cu2OSeO3, revealing helical and conical magnetic modulations. This discovery enables novel investigations of polar magnetic textures with high spatial resolution and short time scales.
Researchers at Martin-Luther-University Halle-Wittenberg have successfully generated non-linear spin waves with half-integer multiples of the excitation frequency, a key finding for spintronics applications.
Researchers have found a way to control spin in Hafnium diselenide, a material that could lead to more efficient spintronics. This discovery provides an entirely new route towards generating spin-polarised currents from transition metal dichalcogenides.
Researchers at Columbia University have discovered a way to visualize magnons in a 2D material, CrSBr, by pairing them with excitons that emit light. This breakthrough enables the observation of tiny changes in magnon spins, potentially leading to the development of more efficient quantum information networks.
Scientists have developed a general formula to calculate the photogalvanic spin current induced by transverse oscillating magnetic excitations in bilayer chromium trihalide compounds. The study found that processes involving one magnon band and two magnon bands contribute to the spin current.
Researchers create a mathematical framework for probabilistic computing using magnetic tunnel junctions, which can infer potential answers from complex input. This technology could revolutionize data interpretation and pattern recognition.
Researchers have successfully achieved efficient spin injection and transport in antiferromagnetic hybrids, paving the way for room-temperature spintronics devices. The study, led by Igor Barsukov at UC Riverside, shows promise for ultra-fast and energy-efficient information storage and processing.
The study observes electric gate-controlled exchange-bias effect in van der Waals heterostructures, enabling scalable energy-efficient spin-orbit logic. The team successfully tunes the blocking temperature of the EB effect via an electric gate, allowing for the EB field to be turned 'ON' and 'OFF'.
Scientists have successfully switched the state of a bit in memory using spin-orbit torque switching in antiferromagnetic material Mn3Sn, promising faster and more efficient devices. This breakthrough could lead to radical improvements in performance compared to current electronic devices.
Researchers at Rensselaer Polytechnic Institute have successfully controlled electron spin at room temperature, a crucial step towards developing more efficient and faster devices. The discovery uses a unique ferroelectric van der Waals layered perovskite crystal to harness the Rashba or Dresselhaus spin-orbit coupling effect.
A team of researchers from Tokyo University of Science has developed an efficient integrated materials synthesis system for automatic discovery of new functional magnetic materials. Using artificial intelligence and computational science, they identified promising materials five times more efficiently than traditional trial-and-error a...
Researchers at Johannes Gutenberg University Mainz are investigating the dynamics of spin structures, including the pinning effects of skyrmions on thin films. The study reveals that skyrmions get stuck in
Researchers at SUTD design a multiferroic van der Waals heterostructure combining magnetic and ferroelectric 2D materials, offering voltage switchable magnetism. This material can be used for ultracompact memory devices with minimal energy consumption.
A team of researchers at the University of Tsukuba has developed a new method for measuring tiny changes in magnetic fields using nitrogen-vacancy defects in diamonds. This breakthrough could lead to more accurate quantum sensors and spintronic computers, enabling precise monitoring of temperature, magnetic, and electric fields.
Researchers have discovered a way to mitigate significant losses in spin current transport by integrating an atom-thin insulator between materials. This innovation has important implications for energy-efficient and ultra-fast storage technologies, as well as applications in terahertz emitters and other spintronic devices.
Researchers at Tohoku University have achieved a breakthrough in reversing magnetization using spin currents, which could lead to more efficient nonvolatile magnetic memory. The new method reduces current density by 30% compared to existing spin current-based techniques.
Researchers at INRS have developed a new method to study the spin dynamics inside rare earth materials, promising for spintronic devices. The breakthrough uses a tabletop ultrafast soft X-ray microscope to spatio-temporally resolve spin dynamics.
A new magneto-electric transistor has been developed by researchers at the University of Nebraska-Lincoln and the University at Buffalo. The design can reduce energy consumption by up to 75% and retain memory in event of power loss, making it a promising alternative to silicon-based transistors.
The study presents experimental evidence for Fermi arcs in antiferromagnets, which are fundamentally different from previously reported cases of magnetic splittings. The findings could lead to novel applications in spintronics by exploiting the unique properties of these materials.
Researchers at Martin-Luther-University Halle-Wittenberg discovered a way to convert frequencies to higher ranges using magnetic materials without additional components. This breakthrough could make certain electronic components obsolete and improve the energy efficiency of digital technologies.
Researchers at Goethe University Frankfurt have grown crystals with rare-earth atoms that exhibit surprising fast magnetic properties. The team found that the strength of these reactions can be adjusted by choosing different atoms, opening up possibilities for optimizing spintronics components.
Researchers successfully synthesized nitrogen-substituted undecacenes using on-surface chemistry, retaining their electronic properties with modified orbital energies. The study offers a new method for investigating complex electronic correlation effects in acenes and developing organic electronics and spintronics.
Scientists have discovered a new type of skyrmion with half-integer topological numbers in a ferromagnetic superfluid, challenging the current understanding of these phase defects. This discovery could lead to a major breakthrough in skyrmion research and its applications in particle physics and spintronics.
Researchers at NGI demonstrate improved spin transport characteristics in nanoscale graphene-based electronic devices, achieving up to 130,000cm²/Vs mobility. The study also reveals spin diffusion lengths approaching 20μm, comparable to the best graphene spintronic devices demonstrated to date.
A team of researchers proposed a novel approach to spintronics, demonstrating dissipationless conversion between magnetic spin and electric charge in an emergent superfluid in 2D materials. This breakthrough could lead to the development of more efficient spintronic devices.
A research group led by Ryuichi Shindou proposes a new phenomenon where magnetic spin and electric charge are converted without energy loss in emergent superfluids of 2D materials. This conversion is made possible by exciton condensates, which exhibit dissipationless supercurrent flows.
A team of Brown University physicists has developed a technique to harness the behavior of skyrmions to generate millions of true random digits per second. By measuring the fluctuation in skyrmion size, they can produce pseudorandom numbers that are useful for applications such as data security.
Researchers have developed conducting systems that control electron spin and transmit a spin current over long distances without ultra-cold temperatures. This breakthrough enables the creation of new technologies for encoding and transmitting information at room temperature.
A team of researchers from Japan Advanced Institute of Science and Technology successfully detects thermally excited magnons in a yttrium iron garnet sample using a diamond-based quantum sensor. This breakthrough enables the detection of thermal magnon currents, opening doors to heat-controlled quantum devices.
Researchers at Japan Advanced Institute of Science and Technology have developed a novel method to fabricate diamond probes with controlled shape and higher sensitivity. These probes enabled the imaging of periodic magnetic domain structures in ferromagnets, showing promise for quantum applications.
Researchers discovered a new method to control spin-lattice interaction with ultrashort terahertz pulses, potentially revolutionizing ultrafast data processing and storage. This breakthrough could address the growing energy demands of data storage centers.
Researchers at Lawrence Berkeley National Laboratory developed a method to stabilize graphene nanoribbons and directly measure their unique magnetic properties. By substituting nitrogen atoms along the zigzag edges, they can discretely tune the local electronic structure without disrupting the magnetic properties.
A research group at Tohoku University has successfully engineered relaxation time to achieve fast switching in sub-five-nm magnetic tunnel junctions, reaching 3.5 ns. This breakthrough enables the development of STT-MRAM-based semiconductor ICs with improved performance and power consumption.
Researchers at the University of Malaga have developed a new version of organic electronics that can manage energy consumption more efficiently. The technology, known as spintronics, uses carbon-based molecules to expand electronic material versatility and functionality.
Researchers have created a material system exhibiting unusually long-range Josephson effect, enabling macroscopic quantum coherence and potential for spintronic applications. The discovery of 'triplet' superconductivity, where electrons with the same spin circulate, expands possibilities for low-power consumption devices.
Researchers at Tohoku University and the University of Gothenburg have developed a new spintronic technology that integrates a memristor-controlled oscillator array, allowing for efficient brain-inspired computing. This breakthrough enables sophisticated cognitive tasks like image recognition with reduced energy consumption.
Researchers at the University of Gothenburg have successfully combined a memory function with a calculation function in the same component, enabling more efficient technologies like mobile phones and self-driving cars. The discovery opens the way for brain-like computers that can perform tasks effectively and energy efficiently.
Researchers have successfully demonstrated a strong exchange coupling of thin ferromagnetic layers to the antiferromagnetic compound Mn2Au, enabling large magnetoresistance effects. This breakthrough enables the use of well-established read-out methods in antiferromagnetic spintronics.
Researchers discovered a new topological magnet that can induce a billion-fold change in resistance by rotating the magnetic field angle. This phenomenon, called colossal angular magnetoresistance, enables efficient detection of electronic spin states and opens up new opportunities for spin-electronic applications.
Researchers have successfully manipulated a single skyrmion, a tiny magnetic vortex, at room temperature using pulses of electric current. The team used Lorentz transmission electron microscopy to track the motion of the skyrmion and control its direction with ultrafast pulses of electricity.
A RMIT-led collaboration demonstrates large in-plane anisotropic magnetoresistance (AMR) in monolayer WTe2, a quantum spin Hall insulator. The team successfully fabricates devices and observes typical transport behaviors, showing promise for future low-energy electronics.
Researchers from Germany and Spain successfully create a uniform two-dimensional material with exotic ferromagnetic behavior known as easy-plane magnetism. This discovery opens up new possibilities for spintronics, a technology that uses magnetic moments instead of electrical charges.
Researchers developed a novel spintronic-metasurface terahertz emitter that generates broadband, circularly polarized, and coherent terahertz waves. The design offers flexible manipulation of the polarization state and helicity with magnetic fields, enabling efficient generation and control of chiral terahertz waves.
The study reveals that the interaction between phonons and electrons is crucial for ultrafast demagnetization. The data show a temperature threshold below which this mechanism does not occur, indicating another microscopic mechanism at lower temperatures.
Researchers have found a way to stabilize the novel quantum effect in graphene at room temperature, which could lead to breakthroughs in data storage and computer components. The discovery was made using standard microfabrication techniques and showed that the material can generate its own magnetic field.
Researchers have developed a device that uses two-dimensional hybrid metal halides to control terahertz radiation, outperforming conventional emitters in signal efficiency and cost. The 2D hybrid metal halide device is also thinner, lighter, and more robust than traditional terahertz generators.
Researchers develop a new method to perform logic operations more efficiently and reliably using magnonics. Nanostructured antiferromagnetic wires are well-suited for this purpose, enabling quick and low-energy computation.
Researchers have developed a new approach to generating terahertz radiation, which can be directly generated on an electronic chip. This breakthrough enables the use of terahertz radiation in various applications, including materials science and communications technology.
The study explores chromium oxides, magnetic compounds used in old tapes, and finds that adding oxygen atoms increases metallic properties. This allows for precise control over electrical conductance, enabling the design of molecular-sized components with vast processing and storage capacities.
Researchers at DTU have developed a new method for designing nanomaterials with unprecedented precision, allowing for the creation of compact and electrically tunable metalenses. This breakthrough enables the development of high-speed communication and biotechnology applications.
Researchers explore joining topological insulators with magnetic materials to achieve quantum anomalous Hall effect, promising building blocks for low-power electronics. The 'cocktail' approach allows tuning of both magnetism and topology in individual materials, enabling operation closer to room temperature.
Scientists have demonstrated a new way to control magnetic domain wall motions in thin film materials by combining two magnetic effects. This breakthrough could lead to the development of ultrafast, ultrasmall, and power-efficient devices using spintronics.
Researchers from Shinshu University have successfully confined and protected magnetic skyrmions using patterns of modified magnetic properties. This method offers a promising approach for building reliable channels for confinement, accumulation, and transport of skyrmions as information carriers.
A RMIT-led international collaboration has achieved record-high electron doping in a layered ferromagnet, causing magnetic phase transition with significant promise for future electronics. Ultra-high-charge, doping-induced magnetic phase transition in Fe5Ge2 enables promising applications in antiferromagnetic spintronic devices.
A Chinese-Australia collaboration successfully induced Dzyaloshinskii-Moriya interactions (DMI) in TaS2 by intercalating iron atoms, which can be further tuned by gate-induced proton intercalation. This enables electrical control of chiral spin textures and potential applications in energy-efficient spintronic devices.