Current Spintronics News and Events | Page 2

Current Spintronics News and Events, Spintronics News Articles.
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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)

Detection of very high frequency magnetic resonance could revolutionize electronics
A team of scientists led by a physicist at the University of California, Riverside, has discovered an electrical detection method for terahertz electromagnetic waves, which are extremely difficult to detect. The discovery could help miniaturize the detection equipment on microchips and enhance sensitivity. (2020-01-27)

Generation and manipulation of spin currents for advanced electronic devices
ICN2 researchers, in the framework of the Graphene Flagship, at the UAB campus, demonstrate that spin currents can be generated and manipulated in graphene-based heterostructures at room temperature. The results of this study, published in Nature Materials, provide relevant information on the fundamental physics of the phenomena involved and open the door to new applications, such as the development of ultra-compact electronic and low energy consumption devices and magnetic memories. (2020-01-14)

MIPT physicists find ways to overcome signal loss in magnonic circuits
Researchers from the MIPT and their Russian colleagues have demonstrated that the coupling elements in magnonic logic circuits are so crucial that a poorly selected waveguide can lead to signal loss. The physicists developed a parametric model for predicting the waveguide configuration that avoids signal loss, built a prototype waveguide, and tested the model in an experiment. (2020-01-02)

Paving the way for spintronic RAMs: A deeper look into a powerful spin phenomenon
Scientists at Tokyo Institute of Technology explore a new material combination that sets the stage for magnetic random access memories, which rely on spin -- an intrinsic property of electrons -- and could outperform current storage devices. Their breakthrough published in a new study describes a novel strategy to exploit spin-related phenomena in topological materials, which could spur several advances in the field of spin electronics. Moreover, this study provides additional insight into the underlying mechanism of spin-related phenomena. (2019-12-26)

Computing with molecules: A big step in molecular spintronics
Chemists and physicists at Kiel University joined forces with colleagues from France, and Switzerland to design, deposit and operate single molecular spin switches on surfaces. The newly developed molecules feature stable spin states and do not lose their functionality upon adsorption on surfaces. They present their results in the current issue of the renowned journal Nature Nanotechnology. (2019-12-23)

Imaging technique gives catalytic 2D material engineering a better view
A scanning electrochemical cell imaging technique shows how nanoscale structural features affect the catalytic activity of MoS2 monolayers for hydrogen evolution reactions, report researchers at Kanazawa University in Angewandte Chemie International Edition. (2019-12-03)

New method for using spin waves in magnetic materials
In order to miniaturize individual components of mobile phones or computers, for example, magnetic waves are currently regarded as promising alternatives to conventional data transmission functioning by means of electric currents. The physical basis for this is the spin of electrons in magnetic materials, which can be simplified as a rotation of electrons around their own axis. Physicists at M√ľnster University (Germany) have developed a new approach that makes it easier to use spin waves. (2019-11-22)

Magnetic wave flows under better control from now on
Even faster processors with even smaller dimensions? Wherever neither electronics nor spintronics can cope with performance or miniaturization, magnonics comes to the rescue. But before that happens, scientists must learn how to accurately simulate the flow of magnetic waves through magnonic crystals. At the Institute of Nuclear Physics of the Polish Academy of Sciences in Cracow an important step in this direction has just been made. (2019-11-21)

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)

New spin directions in pyrite an encouraging sign for future spintronics
An Australian study revealing new spin textures in pyrite could unlock these materials' potential in future spintronics devices. The study of pyrite-type materials provides new insights and opportunities for selective spin control in topological spintronics devices. (2019-11-12)

One step toward using insulating antiferromagnetic materials in future computers
Physicists at Johannes Gutenberg University Mainz (JGU) in collaboration with Tohoku University in Sendai in Japan, the synchrotron sources BESSY-II at Helmholtz-Zentrum Berlin (HZB), and Diamond Light Source, the UK's national synchrotron, have demonstrated how information can be written and read electrically in insulating antiferromagnetic materials. (2019-10-25)

Small magnets reveal big secrets
An international research team led by a physicist at the University of California, Riverside, has identified a microscopic process of electron spin dynamics in nanoparticles that could impact the design of applications in medicine, quantum computation, and spintronics. (2019-10-25)

FEFU and FEB RAS scientists are close to Integrate Silicon Electronics and Spintronics
Scientists from Far Eastern Federal University (FEFU) and the Far Eastern Branch of the Russian Academy of Sciences (FEB RAS) developed the nanoheterostructure consisted of a nanocrystal magnetite film (Fe3O4) covering a silicon substrate with an additional layer of silicon oxide (SiO2/Si). Its magnetic and magnetotransport properties may help to design highly efficient hybrid semiconductor devices with new spintronic elements. The related article was published in the Journal of Alloys and Compounds. (2019-10-23)

Patented concept from Halle: novel, high-performance diodes and transistors
Today's computer processors are increasingly pushed to their limits due to their physical properties. Novel materials could be the solution. Physicists from Martin Luther University Halle-Wittenberg (MLU) have investigated if and how these materials might be developed. They have created, tested and filed a patent for a concept that utilises the latest findings from the field of spintronics. The team reported on their research in the journal 'ACS Applied Electronic Materials'. (2019-10-08)

Curved nanochannels allow independent tuning of charge and spin currents
To increase the efficiency of microchips, 3D structures are now being investigated. However, spintronic components, which rely on electron spin rather than charge, are always flat. To investigate how to connect these to 3D electronics, University of Groningen physicist Dr. Kumar Sourav Das created curved spin transport channels. Together with his colleagues, he discovered that this new geometry makes it possible to independently tune charge and spin currents. (2019-09-30)

'Poor man's qubit' can solve quantum problems without going quantum
Researchers have built and demonstrated the first hardware for a probabilistic computer, a possible way to bridge the gap between classical and quantum computing. (2019-09-18)

Scientists create fully electronic 2-dimensional spin transistors
Physicists from the University of Groningen constructed a two-dimensional spin transistor, in which spin currents were generated by an electric current through graphene. A monolayer of a transition metal dichalcogenide (TMD) was placed on top of graphene to induce charge-to-spin conversion in the graphene. This experimental observation was described in an article in Nano Letters on Sept. 11, 2019. (2019-09-17)

Spin devices get a paint job
Physicists created a new way to fabricate special kinds of electronic components known as spintronic devices. These high-performance, low-power devices have a promising future, so efficient ways to make them are highly sought after. The new fabrication method is interesting because it uses organic molecules which are relatively easy to configure for different purposes. Layers of molecules could be painted or printed onto metals to create new electronic functions. (2019-09-12)

Conductivity at the edges of graphene bilayers
For nanoribbons of bilayer graphene, whose edge atoms are arranged in zigzag patterns, the bands of electron energies which are allowed and forbidden are significantly different to those found in monolayer graphene. This causes variations in the ways in which bilayers conduct electricity, according to research published in EPJ B. (2019-09-11)

Spintronics: Physicists discover new material for highly efficient data processing
A new material could aid in the development of extremely energy efficient IT applications. The material was discovered by an international research team in cooperation with Martin Luther University Halle-Wittenberg (MLU). The electrons at the oxide interface of the material possess special properties which drastically increase the conversion rate of spin current to charge current. The material is more efficient than any previously investigated material, the team writes in the journal Nature Materials. (2019-09-09)

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)

Study on attosecond timescale casts new light on electron dynamics in transition metals
A team of scientists from the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) in Hamburg and the Department of Physics at ETH Zurich in Switzerland, together with the Center for Computational Sciences of University of Tsukuba, has unraveled the light-induced electron-localization dynamics in transition metals at the attosecond timescale. The team investigated for the first time the many-body electron dynamics in transition metals before thermalization sets in. Their work has now appeared in Nature Physics. (2019-08-06)

A novel graphene-matrix-assisted stabilization method will help unique 2D materials to become a part
Scientists from Russia and Japan found a way of stabilizing two-dimensional copper oxide (CuO) materials by using graphene. Along with being the main candidates for spintronics applications, these materials may be used in forthcoming quantum computers. The results of the study were published in The Journal of Physical Chemistry C. (2019-08-01)

Valleytronics core theory for future high-efficiency semiconductor technology
Professor Jae Dong Lee's team developed anomalous current and suggested a control mechanism by forming valley domain. Valley domain will become new killer contents of 2D semiconductor technology. (2019-07-24)

Weyl fermions discovered in another class of materials
A particular kind of elementary particle, the Weyl fermions, were first discovered a few years ago. Their specialty: they move through a material in a well ordered manner that practically never lets them collide with each other and is thus very energy efficient. For the very first time, scientists at the Paul Scherrer Institute PSI have experimentally proved their existence in another type of material: a paramagnet with intrinsic slow magnetic fluctuations. (2019-07-12)

Unlocking magnetic properties for future faster, low-energy spintronics
An Australian collaboration combines theory and experimental expertise, discovering new magnetic properties of two-dimensional Fe3GeTe2 (FGT) towards spintronic applications promising faster, more efficient computing. (2019-07-08)

Mechanical vibration generated by electron spins
Micro mechanical elements are indispensable components of modern electrical devices but the actuation of them requires electrical current. It becomes harder to wire the element as further downscaling of device is pursued. As a way out of this issue, researchers demonstrated a new way to deliver a force to drive micro mechanics by spin current. (2019-07-02)

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