Current Skyrmions News and Events

Current Skyrmions News and Events, Skyrmions News Articles.
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Big step with small whirls
Skyrmions are small magnetic objects that could revolutionize the data storage industry and also enable new computer architectures. However, there are a number of challenges that need to be overcome. A team of Empa researchers has succeeded for the first time in producing a tunable multilayer system in which two different types of skyrmions - the future bits for ''0'' and ''1'' - can exist at room temperature, as they reported in the journal Nature Communications. (2020-12-21)

Ultrafast dynamics of chiral spin structures observed after optical excitation
A joint research project of Johannes Gutenberg University Mainz (JGU), the University of Siegen, Forschungszentrum Jülich, and the Elettra Synchrotron Trieste has achieved a new milestone for the ultra-fast control of magnetism. (2020-12-09)

FEFU scientists explain how to storage cipher data in magnetic skyrmions
Scientists of Far Eastern Federal University (FEFU) with international collaborators propose direct magnetic writing of skyrmions, i.e. magnetic quasiparticles, and skyrmion lattices, within which it is possible to encode, transmit, process information, and produce topological patterns with a resolution of less than 100 nanometers. This brings closer miniaturized post-silicon electronics, new topological cryptography techniques, and green data centers, reducing the load on the Earth's ecosystem significantly. A related article appears in ACS Nano. (2020-11-30)

Magnetic nature of complex vortex-like structures in a Kagome crystal Fe3Sn2
Three-dimensional magnetic bubbles were demonstrated from the view of integral magnetizations for the first time, which clarify the physics behind complex multi-ring and arc-shaped vortices obtained from two-dimensional transmission electron microscopy magnetic imaging. (2020-10-28)

New shortcut enables faster creation of spin pattern in magnet
Physicists have discovered a much faster approach to create a pattern of spins in a magnet. This 'shortcut' opens a new chapter in topology research. Interestingly, this discovery also offers an additional method to achieve more efficient magnetic data storage. The research will be published on 5 October in Nature Materials. (2020-10-05)

Twisting magnetization with light
A team of scientists led by the Max Born Institute (MBI), Berlin, Germany, and the Massachusetts Institute of Technology (MIT), Cambridge, USA, has demonstrated how tiny magnetization patterns known as skyrmions can be written into a ferromagnetic material faster than previously thought possible. The researchers have clarified how the topology of the magnetic system changes in this process. The findings may inspire new routes how to use magnetic skyrmions in information technology. (2020-10-05)

Nanostructures with a unique property
Nanoscale vortices known as skyrmions can be created in many magnetic materials. For the first time, researchers at PSI have managed to create and identify antiferromagnetic skyrmions with a unique property: critical elements inside them are arranged in opposing directions. Scientists have succeeded in visualising this phenomenon using neutron scattering. (2020-09-23)

Extra stability for magnetic knots
Tiny magnetic whirls that can occur in materials - so-called skyrmions - hold high promises for novel electronic devices or magnetic memory in which they are used as bits to store information. A fundamental prerequisite for any application is its stability. A research team of Kiel University has now demonstrated that so far neglected magnetic interactions can play a key role for skyrmion stability and can drastically enhance their lifetime. (2020-09-21)

Magnetic whirls crystallize in two dimensions
Cooperation within the TopDyn research center paves the way for the investigation of two-dimensional phases and phase transitions (2020-09-09)

Story tips: Cool smart walls, magnetism twist, fuel cost savings and polymers' impact
ORNL Story Tips: Cool smart walls, magnetism twist, fuel cost savings and polymers' impact, September 2020 (2020-09-01)

Deterministic reversal of single magnetic vortex circulation by an electric field
Chinese researchers discover a deterministic reversal of magnetic vortex circulation in a Ni79Fe21 (NiFe) island on top of a layered-perovskite Bi2WO6 (BWO) thin film using an electric field. (2020-07-06)

Study reveals magnetic process that can lead to more energy-efficient memory in computers
Researchers at Virginia Commonwealth University and the University of California, Los Angeles have made an important advance that could lead to more energy efficient magnetic memory storage components for computers and other devices. (2020-06-30)

Skyrmion dynamics and traverse mobility
In a study published in EPJ B authors N.P. Vizarim and C.J.O. Reichhardt from the Theoretical Division and Center for Nonlinear Studies, Los Alamos National Laboratory, Los Alamos, New Mexico, USA and their colleagues aim to understand how skyrmions behave in a substrate under dc and ac drives. (2020-06-19)

Manipulating tiny skyrmions with small electric currents
A research group from the RIKEN Center for Emergent Matter Science have managed to manipulate and track the movement of individual magnetic vortices called skyrmions, which have been touted as strong candidates to act as information carriers in next-generation storage devices and as synapses for neuromorphic computing. (2020-06-17)

Melting a crystal topologically
Physicists at EPFL have successfully melted a very thin crystal of magnetic quasi-particles controllably, as turning ice into water. Novel phases of matter have been discovered and a new model system for fundamental physics studies has been established. (2020-06-15)

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)

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)

Discovery offers new avenue for next-generation data storage
The demands for data storage and processing have grown exponentially as the world becomes increasingly connected, emphasizing the need for new materials capable of more efficient data storage and data processing. An international team of researchers, led by physicist Paul Ching-Wu Chu, is reporting a new compound capable of maintaining its skyrmion properties at room temperature, offering promise for commercial applications. (2020-04-14)

Magnetic whirls in future data storage devices
Magnetic (anti)skyrmions are microscopically small whirls that are found in special classes of magnetic materials. They could be used to host digital data. A team of scientists from the Max Planck institutes (MPI) of Microstructure Physics in Halle and for Chemical Physics of Solids in Dresden and the Martin Luther University Halle-Wittenberg (MLU) has now made the observation that skyrmions and antiskyrmions can coexist bringing about the possibility to expand their capabilities in storage devices. (2020-03-03)

A current map for improving circuit design
The flow of an electrical current can be imaged directly using magnetic bubbles. (2020-03-02)

CaPtAs: A new noncentrosymmetric superconductor
A research group from Zhejiang University in China has found that the noncentrosymmetric compound CaPtAs is a superconductor, which shows evidence for unconventional properties. This compound provides a new opportunity for studying unconventional superconductivity in systems with broken inversion symmetry. (2020-02-25)

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)

Inhomogeneous-strain-induced magnetic vortex cluster in one-dimensional manganite wire
Research teams in China in collaboration with German scientists achieved magnetic vortex clusters with flux closure spin configurations in single-crystal La0.67Sr0.33MnO3 (LSMO) wire. A distinctive transformation from out-of-plane domains to a vortex state is directly visualized using magnetic force microscopy at 4 K in wires when the width is reduced down to 500 nm. The phase-field modeling indicates that the inhomogeneous strain, accompanying with shape anisotropy, plays a key role for stabilizing the flux-closure spin structure. (2020-02-07)

The first high-speed straight motion of magnetic skyrmion at room temperature demonstrated
Researchers at Tohoku University have, for the first time, successfully demonstrated a formation and current-induced motion of synthetic antiferromagnetic magnetic skyrmions. The established findings are expected to pave the way towards new functional information processing and storage technologies. (2019-11-19)

Dynamic pattern of Skyrmions observed
Tiny magnetic vortices known as skyrmions form in certain magnetic materials, such as Cu2OSeO3. These skyrmions can be controlled by low-level electrical currents -- which could facilitate more energy-efficient data processing. Now a team has succeeded in developing a new technique at the VEKMAG station of BESSY II for precisely measuring these vortices and observing their three different predicted characteristic oscillation modes (Eigen modes). (2019-10-15)

Researchers get first microscopic look at a tiny phenomenon with big potential implications
Matter behaves differently when it's tiny. At the nanoscale, electric current cuts through mountains of particles, spinning them into vortexes that can be used intentionally in quantum computing. The particles arrange themselves into a topological map, but the lines blur as electrons merge into indistinguishable quasiparticles with shifting properties. The trick is learning how to control such changeable materials. (2019-08-22)

A step towards probabilistic computing
Working group led by physicist Professor Ulrich Nowak at the University of Konstanz, in collaboration with a team of physicists from Johannes Gutenberg University Mainz, demonstrates how skyrmions can be used for the computer concepts of the future (2019-05-14)

Discovery may lead to new materials for next-generation data storage
Research funded in part by the US Army identified properties in materials that could one day lead to applications such as more powerful data storage devices that continue to hold information even after a device has been powered off. (2019-05-09)

The evolution of skyrmions in multilayers and their topological Hall signature
The topological Hall effect (THE) is the Hall response to an emergent magnetic field, a manifestation of the skyrmion Berry-phase. As the magnitude of THE in magnetic multilayers is an open question, it is imperative to develop comprehensive understanding of skyrmions and other chiral textures, and their electrical fingerprint. (2019-05-07)

The power of randomization: Magnetic skyrmions for novel computer technology
Researchers at Johannes Gutenberg University Mainz (JGU) have succeeded in developing a key constituent of a novel unconventional computing concept. This constituent employs the same magnetic structures that are being researched in connection with storing electronic data on shift registers known as racetracks. (2019-05-06)

Electric skyrmions charge ahead for next-generation data storage
A team of researchers led by Berkeley Lab has observed chirality for the first time in polar skyrmions, in a material with reversible electrical properties -- a combination that could lead to more powerful data storage devices that continue to hold information, even after they've been turned off. (2019-04-18)

Skyrmions could provide next generation data storage
Scientists at the Universities of Birmingham, Bristol and Colorado, Boulder have moved a step closer to developing the next generation of data storage and processing devices, using an emerging science called skyrmionics. (2019-04-01)

Taking magnetism for a spin: Exploring the mysteries of skyrmions
Scientists at the US Department of Energy's Ames Laboratory have discovered the relaxation dynamics of a zero-field state in skyrmions, a spinning magnetic phenomenon that has potential applications in data storage and spintronic devices. (2019-01-23)

First observation of a square lattice of merons and antimerons
Scientists have, for the first time, observed a square lattice of merons and antimerons -- tiny magnetic vortices and antivortices that form in a thin plate of the helical magnet Co8Zn9Mn3. The ability to manipulate nanometer-scale spin textures such as merons and skyrmions is a key to the development of spintronics -- next-generation electronic devices that are very low in power consumption. (2018-12-05)

When electric fields make spins swirl
IBS research group in collaboration with the University of Science and Technology of China, has reported the discovery of small and ferroelectrically tunable skyrmions. Published in Nature Materials, this work introduces new compelling advantages that bring skyrmion research a step closer to application. (2018-11-14)

2-D magnetism: Atom-thick platforms for energy, information and computing research
A class of 2-D magnetic materials -- known as van der Waals materials -- may offer one of the most ambitious platforms yet to understand and control phases of matter at the nanoscale. (2018-10-31)

Magnetic antiparticles offer new horizons for information technologies
Computer simulations reveal new behavior of antiskyrmions in gradually increased electric currents. (2018-08-15)

Magnetic vortices: Two independent magnetic skyrmion phases discovered in a single material
For the first time a team of researchers have discovered two different phases of magnetic skyrmions in a single material. Physicists of the Technical Universities of Munich and Dresden and the University of Cologne can now better study and understand the properties of these magnetic structures, which are important for both basic research and applications. (2018-07-12)

Magnetic skyrmions: Not the only ones of their class
Tiny magnetic vortex structures, so-called skyrmions, have been researched intensively for some time for future energy-efficient space-saving data storage devices. Scientists at Forschungszentrum Jülich have now discovered another class of particle-like magnetic object that could take the development of data storage devices a significant step forward. If skyrmions are used to encode the number ''1'', then the new objects could be used to encode the number ''0''. (2018-06-28)

Designing a better superconductor with geometric frustration
Study shows a magnet-controlled 'switch' in superconductor configuration provides unprecedented flexibility in managing the location of vortex filaments, altering the properties of the superconductor. (2018-06-11)

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