Current Spintronics News and Events

Current Spintronics News and Events, Spintronics News Articles.
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Spintronics advances -- Controlling magnetization direction of magnetite at room temperature
Spintronics--based on the principles of electron charge and magnetic spin--goes beyond the limits of conventional electronics. However, spintronic devices are yet to see advances, because controlling the magnetization angle in the magnetic material is difficult. Now, scientists have developed an all-solid redox device composed of magnetite thin film and a solid electrolyte containing lithium ions that successfully manipulated the magnetization angle at room temperature, sparking a possible revolution in the field of spintronics. (2020-11-17)

Antiferromagnetic material's giant stride towards application
The quest for high throughput intelligent computing paradigms - for big data and artificial intelligence - and the ever-increasing volume of digital information has led to an intensified demand for high-speed and low-power consuming next-generation electronic devices. The 'forgotten' world of antiferromagnets (AFM), a class of magnetic materials, offers promise in future electronic device development and complements present-day ferromagnet-based spintronic technologies. (2020-11-12)

Lead-free magnetic perovskites
Scientists at Linköping University, Sweden, working with the perovskite family of materials have taken a step forwards and developed an optoelectronic magnetic double perovskite. The discovery opens the possibility to couple spintronics with optoelectronics for rapid and energy-efficient information storage. (2020-11-06)

Researchers break magnetic memory speed record
An international team of researchers has created a new technique for magnetization switching -- the process used to ''write'' information into magnetic memory -- that is nearly 100 times faster than state-of-the-art spintronic devices. The advance could lead to the development of ultrafast magnetic memory for computer chips that would retain data even when there is no power. (2020-10-28)

Bridging the gap between the magnetic and electronic properties of topological insulators
Scientists at Tokyo Institute of Technology shed light on the relationship between the magnetic properties of topological insulators and their electronic band structure. Their experimental results shed new insights into recent debates regarding the evolution of the band structure with temperature in these materials, which exhibit unusual quantum phenomena and are envisioned to be crucial in next-generation electronics, spintronics, and quantum computers. (2020-09-24)

Ultra-fast magnetic switching with potential to transform fibre optical communications
Researchers have discovered that a new material can act as a super-fast magnetic switch. When struck by successive ultra-short laser pulses it exhibits 'toggle switching' that could increase the capacity of the global fibre optic cable network by an order of magnitude. (2020-09-15)

New technology lets quantum bits hold information for 10,000 times longer than previous record
Quantum bits, or qubits, can hold quantum information much longer now thanks to efforts by an international research team. The researchers have increased the retention time, or coherence time, to 10 milliseconds - 10,000 times longer than the previous record - by combining the orbital motion and spinning inside an atom. Such a boost in information retention has major implications for information technology developments since the longer coherence time makes spin-orbit qubits the ideal candidate for building large quantum computers. (2020-09-04)

Fabrication of a single-crystal giant magnetoresistive device on a polycrystalline film
NIMS and AIST have jointly succeeded in fabricating a giant magnetoresistive (GMR) device comprising single-crystal Heusler alloys on an practical silicon substrate. The team demonstrated for the first time that a single-crystal magnetoresistive device can be bonded onto the surface of a polycrystalline electrode using a wafer bonding technique. (2020-08-27)

Storing information in antiferromagnetic materials
Researchers have now not only been able to show that information storage in antiferromagnetic materials is fundamentally possible, but also to measure how efficiently information can be written electrically in insulating antiferromagnetic materials. (2020-08-24)

A four-state magnetic tunnel junction for novel spintronics applications
Researchers have introduced a new type of MTJ with four resistance states, and successfully demonstrated switching between the states with spin currents. The increased number of states is achieved by replacing one of the magnetic layers with a structure in the form of two crossing ellipses. Such MTJs may enable novel spintronics devices, e.g., multi-level MRAM which stores data much more densely, or neuromorphic memory that meets artificial intelligence challenges in performing cognitive tasks. (2020-08-21)

Ultrafast electrons in magnetic oxides: A new direction for spintronics?
Special metal oxides could one day replace semiconductor materials that are commonly used today in processors. Now, for the first time, an international team of researchers from Martin Luther University Halle-Wittenberg (MLU), the University of Kaiserslautern and the University of Fribourg in Switzerland was able to observe how electronic charge excitation changes electron spin in metal oxides in an ultrafast and inphase manner. The study was published in the journal ''Nature Communications''. (2020-08-19)

Controlling the electron spin: Flip it quickly but carefully
Over the past two decades, a new area at the interface of semiconductor physics, electronics and quantum mechanics has been gaining popularity among theoretical physicists and experimenters. This new field is called spintronics, and one of its main tasks is to learn how to control the spin of charge carriers in well known semiconductor structures. (2020-08-19)

Efficient valves for electron spins
Researchers at the University of Basel in collaboration with colleagues from Pisa have developed a new concept that uses the electron spin to switch an electrical current. In addition to fundamental research, such spin valves are also the key elements in spintronics -- a type of electronics that exploits the spin instead of the charge of electrons. The results were published in the scientific journal Communications Physics. (2020-08-12)

Probing the properties of magnetic quasi-particles
Researchers have for the first time measured a fundamental property of magnets called magnon polarisation -- and in the process, are making progress towards building low-energy devices. (2020-07-28)

Ferried across: Figuring out unconventional spin transport in quantum spin liquids
Scientists at Tokyo Institute of Technology and Yokohama National University uncover the peculiar mechanism by which spin perturbations travel through a seemingly unpassable region of a quantum spin liquid system. This new insight may represent another building block in next-generation electronics and even quantum computers. (2020-07-27)

Higher-order topology found in 2D crystal
The research team took a new approach by using the Josephson junctions to spatially resolve the supercurrent flow and to show that WTe2 does indeed appear to have hinge states and be a higher-order topological insulator. They have identified a new higher-order topological insulator. It is a layered two-dimensional transition metal dichalcogenide (TMDC) called WTe2. This is a famous material in condensed matter physics that displays a variety of exotic properties from titanic magnetoresistance to quantized spin hall effect. (2020-07-15)

The spin state story: Observation of the quantum spin liquid state in novel material
The quantum spin liquid (QSL) state is an exotic state of matter where the spin of electrons, which generally exhibits order at low temperatures, remains disordered. Now, scientists from Tokyo University of Science, Japan, have developed a new material where a two-dimensional QSL state can be experimentally observed, advancing our knowledge of spin behavior, and getting us closer to next-generation ''spintronic'' devices. (2020-07-09)

Magnetic memory states go exponential
Researchers showed that relatively simple structures can support exponential number of magnetic states - much greater than previously thought - and demonstrated switching between the states by generating spin currents. The ability to stabilize and control exponential number of discrete magnetic states in a relatively simple structure constitutes a major contribution to spintronics and may pave the way to multi-level magnetic memory with extremely large number of states per cell, be used for neuromorphic computing, and more. (2020-07-09)

New breakthrough in 'spintronics' could boost high speed data technology
Scientists have made a pivotal breakthrough in the important, emerging field of spintronics -- which could lead to a new high speed energy efficient data technology. (2020-07-03)

A path to new nanofluidic devices applying spintronics technology
Japanese scientists have elucidated the mechanism of the hydrodynamic power generation using spin currents in micrometer-scale channels, finding that power generation efficiency improves drastically as the size of the flow is made smaller. They experimentally demonstrated the fluid power generation phenomenon in the laminar flow region and confirmed that in the laminar flow region, energy conversion efficiency was increased by approximately 100,000 times. (2020-07-02)

Reliable, High-speed MTJ Technology for 1X nm STT-MRAM and NV-Logic Has Wide Applications
Professor Tetsuo Endoh, leading a group of researchers at Tohoku University, has announced the development of an MTJ (Magnetic Tunnel Junction) with 10 ns high-speed write operation, sufficient endurance (>1011), and with highly reliable data retention over 10 years at 1X nm size. Realizing a 1X nm STT-MRAM (Spin Transfer Torque-Magnetoresistive Random Access Memory) and NV(Non-Volatile)-Logic has wide application to a variety of fields. (2020-06-16)

New method predicts spin dynamics of materials for quantum computing
Researchers at UC Santa Cruz have developed a theoretical foundation and new computational tools for predicting a material's spin dynamics, a key property for building solid-state quantum computing platforms and other applications of spintronics. (2020-06-03)

Graphene and 2D materials could move electronics beyond 'Moore's Law'
A team of researchers based in Manchester, the Netherlands, Singapore, Spain, Switzerland and the USA has published a new review on a field of computer device development known as spintronics, which could see graphene used as building block for next-generation electronics. (2020-06-03)

Van der Waals junction spin valves without spacer layer
Distinct from traditional spin valves with a sandwich structure consisting of two ferromagnetic metals decoupled by the insertion of a non-magnetic spacer, recently, a research team led by Prof. Kaiyou Wang from Institute of Semiconductors, Chinese Academy of Sciences, collaborating with their colleagues, has demonstrated two-state and three-state spin-valve effects using Fe3GeTe2 vdW homo-junctions without any spacer layer. Realization of multi spin states using the vdW interfaces could be important for non-volatile spintronic applications. (2020-05-27)

NYU and IBM research takes electrons for a spin in moving toward more efficient, higher density data
Researchers at New York University and IBM Research have demonstrated a new mechanism involving electron motion in magnetic materials that points to new ways to potentially enhance data storage. (2020-05-18)

Scientists break the link between a quantum material's spin and orbital states
Until now, electron spins and orbitals were thought to go hand in hand in a class of materials that's the cornerstone of modern information technology; you couldn't quickly change one without changing the other. But a study at the Department of Energy's SLAC National Accelerator Laboratory shows that a pulse of laser light can dramatically change the spin state of one important class of materials while leaving its orbital state intact. (2020-05-15)

Observation of intervalley transitions can boost valleytronic science and technology
An international research team led by scientists at the University of California, Riverside, has observed light emission from a new type of transition between electronic valleys, known as intervalley transmissions. The research provides a new way to read out valley information, potentially leading to new types of devices. (2020-05-15)

Physicists offer a new 'spin' on memory
University of Arizona researchers report a discovery that opens new possibilities in the development of spintronics, a new type of memory storage capable of processing information much faster than current technology while consuming less energy. (2020-05-15)

Atomically thin magnets for next generation spin and quantum electronics
In 2005, Science asked if it was possible to develop a magnetic semiconductor that could work at room temperature. Now, just fifteen years later, researchers at Stevens Institute of Technology have developed those materials in two-dimensional form, solving one of science's most intractable problems. (2020-05-13)

Antiferromagnetic fluoride nanocrystals
Recently, researchers from Peking University, Shenzhen University and National Institute for Materials Science (NIMS) report that the altered passivation of specified facets can direct the synthesis of fluoride nanocrystals into dimension-controlled products in a colloidal approach. An anomalous hysteretic behavior together with thermal dependent exchange anisotropy and high field irreversibility are detected, which are ascribed to the coexistence of long-range antiferromagnetic order and surface spin-glass like freezing. (2020-05-12)

Scientists take steps to create a 'racetrack memory,' potentially enhancing data storage
A team of scientists has taken steps to create a new form of digital data storage, a ''Racetrack Memory,'' which opens the possibility to both bolster computer power and lead to the creation of smaller, faster, and more energy efficient computer memory technologies. (2020-05-05)

Intricate magnetic configuration of 3D nanoscale gyroid networks revealed
A multinational team of researchers from Tohoku University and institutions in the UK, Germany and Switzerland has revealed the magnetic states of nanoscale gyroids, 3D chiral network-like nanostructures. The findings add a new candidate system for research into unconventional information processing and emergent phenomena relevant to spintronics. (2020-04-30)

Toward a more energy-efficient spintronics
In order to generate and detect spin currents, spintronics traditionally uses ferromagnetic materials whose magnetization switching consume high amounts of energy. French researchers recently presented an approach that can detect spin information at low power using a non-magnetic system. Their research opens the way towards spintronic devices that operate on ferroelectricity rather than on ferromagnetism, thereby consuming 1,000 times less energy. (2020-04-22)

Regioselective magnetization enabled chiral semiconducting heteronanorods
Researchers demonstrated a regioselective magnetization strategy, achieving a library of semiconducting heteronanorods with chiroptical activities. (2020-02-25)

Scientists predict state of matter that can conduct both electricity and energy perfectly
Three scientists from the University of Chicago have run the numbers, and they believe there may be a way to make a material that could conduct both electricity and energy with 100% efficiency--never losing any to heat or friction. (2020-02-20)

Topological materials outperform through quantum periodic motion
Scientists at the US Department of Energy's Ames Laboratory have discovered that applying vibrational motion in a periodic manner may be the key to preventing dissipations of the desired electron states that would make advanced quantum computing and spintronics possible. (2020-02-18)

KIST unveils the mystery of van der Waals magnets, a material for future semiconductors
The Korea Institute of Science and Technology (KIST) have announced that their team successfully controlled the magnetic properties of FGT (Fe3GeTe2) in a joint research project with for Basic Science(IBS) team. Fe3GeTe2 has recently attracted attention as a material for next-generation spintronic semiconductors. (2020-02-14)

Skyrmions like it hot: Spin structures are controllable even at high temperatures
The joint research project of Johannes Gutenberg University Mainz (JGU) and the Massachusetts Institute of Technology (MIT) that had previously demonstrated the use of new spin structures for future magnetic storage devices has yet achieved another milestone. The international team is working on structures that could serve as magnetic shift registers, so called racetrack memory devices. This type of storage promises low access times, high information density, and low energy consumption. (2020-02-13)

What decides the ferromagnetism in the non-encapsulated few-layer CrI3
A recent study demonstrated the layer, polarization and temperature dependence of the Raman features of non-encapsulated 2-5 layer and bulk CrI3, illustrating that the non-encapsulated few-layer and bulk CrI3 are rhombohedral stacking order at low temperature, rather than monoclinic structure. (2020-02-06)

Exotic new topological state discovered in Dirac semimetals
An international team of scientists has discovered an exotic new form of topological state in a large class of 3D semi-metallic crystals called Dirac semimetals. The researchers developed extensive mathematical machinery to bridge the gap between theoretical models with forms of 'higher-order' topology (topology that manifests only at the boundary of a boundary) and the physical behavior of electrons in real materials. (2020-01-31)

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