Articles tagged with Spintronics
The study delves into magnetic behaviors and ultrafast dynamics in atomically thin materials, aiming to leverage these 2D magnets in innovative applications. Mastering spin dynamics is key to unlocking groundbreaking technologies like spin tunnel field-effect transistors and spin-filtering devices.
By increasing skyrmion diffusion, researchers have made a significant step towards developing spin-based, unconventional computing. The use of synthetic antiferromagnets has reduced energy consumption and increased speed, making it possible to create more efficient computers.
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 Tohoku University and MIT have unveiled the anomalous dynamics of non-collinear antiferromagnets, revealing a unique interaction between electron spins and chiral-spin structure. The findings provide essential insights for controlling these materials, which could lead to the development of functional devices in spintronics.
Researchers at the University of Minnesota have created a thin film of a unique semimetal material that can generate more computing power and memory storage while using significantly less energy. The study, published in Nature Communications, has important findings about the physics behind its unique properties.
Researchers at Purdue University have demonstrated tunable moiré magnetism in twisted double bilayers of chromium triiodide, a material that can be used for spintronics. This discovery suggests a new class of material platform for spintronics and magnetoelectronics.
A new material with enormous magnetoresistance has been discovered, enabling the development of more efficient non-volatile magnetoresistive memory (MRAM) devices. The material, a cobalt-manganese alloy with metastable body-centered cubic crystal structure, exhibits high magnetoresistance ratios at room temperature and near-zero kelvin.
Researchers from Spain, France, and Germany generate a single domain wall on a half metal nanowire and measure significant resistance changes. The study reveals large magnetoresistance effects in La2/3Sr1/3MnO3 nanowires, holding promise for spintronic applications.
Researchers have developed a new method for designing metasurfaces using photonic Dirac waveguides, enabling the creation of binary spin-like structures of light. This advances the field of meta-optics and opens opportunities for integrated quantum photonics and data storage systems.
Researchers at NIMS developed MTJ device with world's highest TMR performance through precision interfacial control, increasing sensitivity of magnetic sensors and MRAM capacity.
Researchers have developed a new technology that could revolutionize computing by moving beyond the limitations of traditional semiconductors. Coherent antiferromagnetic spintronics enables information to travel without generating significant heat, potentially leading to a hundredfold increase in processing speed and energy savings.
A comprehensive manual has been developed to engineer spin dynamics in nanomagnets, revealing mechanisms behind magnon interactions. The rules formulated by the researchers can help debug and design nanomagnet devices for next-generation computation technologies.
Researchers at Max Born Institute have developed a hybrid laser pulse that controls ultrafast light-induced currents in giant materials. This breakthrough enables the creation of valley-currents and spin-currents, vital for future valleytronics technology.
Researchers at Chalmers University of Technology have discovered a two-dimensional magnetic material that can work in room temperature. This breakthrough paves the way for energy-efficient and faster data storage and processing in computers and mobile devices.
A recent project at KAUST has reported multifunctional logic gates that offer users a range of hardware security advantages, including tamper protection and watermarking. The gates use spintronic devices called magnetic tunnel junctions, which can be easily switchable and obscure their layout, making them hard to reverse engineer.
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.
A research team has made critical achievements in antiferromagnetic spintronics, revealing emerging frontier distinguished by coherent spin dynamics. Key findings include spin generation and transport, electrically driven spin rotation, and ultrafast spintronic effects.
University of Minnesota-led researchers developed a new process for making spintronic devices with unmatched energy efficiency and memory storage density. The breakthrough enables smaller devices to be scaled down to sizes as small as five nanometers.
Scientists have demonstrated a breakthrough in manipulating magnetic materials without using magnetic fields, paving the way for ultra-fast and energy-efficient memories. The researchers achieved sub-picosecond magnetization reversal in rare-earth-free spintronic structures, expanding the bandwidth of common devices.
Scientists from the University of Groningen develop complex oxide devices for energy-efficient computing, including magneto-electric spin-orbit and memristive devices. These materials have potential applications in novel computing architectures, such as random number generators.
Chiral phonons convert waste heat into spin information, promising energy-efficient devices for computing and data storage. Researchers created a spin current at room temperature without magnetic materials, opening the door to cheaper, more accessible spintronic devices.
Researchers at Osaka Metropolitan University successfully measured spin transport in a molecular film, achieving a spin diffusion length of 62 nanometers. This breakthrough paves the way for the development of smaller, faster, and energy-efficient electronics.
Researchers develop a new optical method to detect topological phases in magnetic materials using Raman scattering. The technique shows promise for validating magnon topology and could lead to more sustainable technological devices with lower energy consumption.
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 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.
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.
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 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 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 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.