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Spintronics Current Events, Spintronics News Articles.
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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)

Two-dimensional spin-orbit coupling for Bose-Einstein condensates realized
A joint team of the University of Science and Technology of China and the Peking University made breakthrough in quantum simulation of ultracold atoms. The joint team pioneered the proposal and realization of two-dimensional spin-orbit coupling for ultracold quantum gases. This will inspire of the researches of exotic topological quantum states and therefore implement significant influence to the way how we understand of our world. (2016-10-11)

Graphene on its way to conquer Silicon Valley
The remarkable material graphene promises a wide range of applications in future electronics that could complement or replace traditional silicon technology. Researchers of the Electronic Properties of Materials Group at the University of Vienna have now paved the way for the integration of graphene into the current silicide based technology. They have published their results in the new open access journal of the Nature Publishing group, Scientific Reports. (2013-07-09)

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)

Nature: Molecule changes magnetism and conductance
One bit of digital information stored on a hard disk currently consists of about three million magnetic atoms. Researchers from Karlsruhe, Strasbourg, and Japan have now developed a magnetic memory with one bit per molecule. By an electric pulse, the metal-organic molecule can be switched reliably between a conductive, magnetic state and a low-conductive, non-magnetic state. This novel correlation for molecules is now reported in the Nature Communications journal. (2012-07-04)

Two-dimensional materials gets a new theory for control of properties
Desirable properties including increased electrical conductivity, improved mechanical properties, or magnetism for memory storage or information processing may be possible because of a theoretical method to control grain boundaries in two-dimensional materials, according to Penn State materials scientists. (2017-10-19)

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)

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)

Engineer unveils new spin on future of transistors with novel design
An engineer with the Erik Jonsson School of Engineering and Computer Science at The University of Texas at Dallas has designed a novel computing system made solely from carbon that might one day replace the silicon transistors that power today's electronic devices. (2017-06-05)

Physicists explore properties of electrons in revolutionary material
Scientists from Georgia State University and the Georgia Institute of Technology have found a new way to examine certain properties of electrons in graphene - a very thin material that may hold the key to new technologies in computing and other fields. (2012-08-10)

Study suggests second life for possible spintronic materials
Ten years ago, scientists were convinced that a combination of manganese and gallium nitride could be a key material to create spintronics, the next generation of electronic devices that operate on properties found at the nanoscale. (2013-06-06)

Magnetic switch gets closer to application
Scientists from Paris, Newcastle and Helmholtz-Zentrum Berlin have been able to switch on and off robust ferromagnetism close to room temperature by using low electric fields. Their results are inspiring for future applications in low-power spintronics, for instance, in fast, efficient and nonvolatile data storage technologies. (2014-01-27)

Carbon molecule with a charge could be tomorrow's semiconductor
As part of the research to place gadolinium atoms inside the carbon cage of a fullerene molecule for MRI applications, Virginia Tech researchers created an 80-atom carbon molecule with two yttrium ions inside. They then replaced one of the carbon atoms with an atom of nitrogen and discovered that the extra electron ducks inside between the yttrium ions, forming a one-electron bond with unique spin properties that can be altered. (2008-09-08)

A new spin on superconductivity
Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have made a discovery that could lay the foundation for quantum superconducting devices. Their breakthrough solves one the main challenges to quantum computing: how to transmit spin information through superconducting materials. (2016-10-14)

New light shed on electron spin flips
Researchers from Berlin Joint EPR Lab at Helmholtz-Zentrum Berlin and University of Washington derived a new set of equations that allows for calculating electron paramagnetic resonance (EPR) transition probabilities with arbitrary alignment and polarization of the exciting electromagnetic radiation. (2015-01-07)

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)

Scientists provide 'new spin' on emerging quantum technologies
An international team of scientists has shed new light on a fundamental area of physics which could have important implications for future electronic devices and the transfer of information at the quantum level. (2013-04-23)

EPFL uses excitons to take electronics into the future
EPFL researchers have developed a transistor based on excitons -- a type of particle most people have not heard of -- that is able to function at room temperature. This breakthrough could lead to a new breed of faster, more energy efficient and smaller electronics. (2018-07-25)

A 'nanoscale landscape' controls flow of surface electrons on a topological insulator
Boston College physicists report new insights into the behavior of electrons on the surface of a topological insulator, a class of material with unique properties that challenge some of the oldest laws of physics. (2012-10-25)

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)

Let's not make big waves
Due to its potential to make computers faster and smartphones more efficient, spintronics is considered a promising concept for the future of electronics. In a collaboration including the Max Planck Institute for Intelligent Systems (MPI-IS) and the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), a team of researchers has now successfully generated so-called spin waves much more easily and efficiently than was previously deemed possible. The researchers are presenting their results in the journal Physical Review Letters (DOI: 10.1103/PhysRevLett.122.117202). (2019-03-27)

NRL researchers take a step toward valleytronics
Valley-based electronics, also known as valleytronics, is one step closer to reality. Two researchers at the Naval Research Laboratory have shown that the valley degree of freedom in graphene can be polarized through scattering off a line defect. Unlike previously proposed valley filters in graphene, which rely on confined structures that have proven hard to achieve experimentally, the present work is based on a naturally occurring line defect that has already been observed. (2011-04-27)

Insight into inner magnetic layers
Research teams from Paris, Madrid and Berlin have observed for the first time how magnetic domains mutually influence one another at interfaces of spintronic components. Using measurements taken at BESSY II, they could demonstrate that what are known as spin filters form between the outer ferromagnetic layers and the inner anti-ferromagnetic insulating layer, influencing tunnel magnetoresistance. (2015-02-17)

T-rays will 'speed up' computer memory by a factor of 1,000
Scientists have demonstrated the viability of an alternative remagnetization technique that could be used in ultrafast computer memory, instead of the conventional method that relies on external magnetic fields. Their experiment showed that pulses of terahertz radiation can 'switch' memory cells several thousand times faster than the conventionally used technique. Although thulium orthoferrite was used in the experiment, the researchers say it's likely that their proposed 'T-ray switching' would work with many other magnetic materials too. (2016-10-13)

Unprecedented insight into two-dimensional magnets using diamond quantum sensors
For the first time, physicists at the University of Basel have succeeded in measuring the magnetic properties of atomically thin van der Waals materials on the nanoscale. They used diamond quantum sensors to determine the strength of the magnetization of individual atomic layers of the material chromium triiodide. In addition, they found a long-sought explanation for the unusual magnetic properties of the material. The journal Science has published the findings. (2019-04-25)

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)

Scientists put the squeeze on electron spins
University of California scientists working at Los Alamos National Laboratory have developed a novel method for controlling and measuring electron spins in semiconductor crystals of GaAs (gallium arsenide). The work suggests an alternative--and perhaps even superior--method of spin manipulation for future generations of (2005-06-16)

Graphene layered with magnetic materials could drive ultrathin spintronics
Researchers working at Berkeley Lab coupled graphene, a monolayer form of carbon, with thin layers of magnetic materials like cobalt and nickel to produce exotic behavior in electrons that could be useful for next-generation computing applications. (2018-05-28)

Physicists capture first images of atomic spin
Though scientists argue that the emerging technology of spintronics may trump conventional electronics for building the next generation of faster, smaller, more efficient computers and high-tech devices, no one has actually seen the spin -- a quantum mechanical property of electrons -- in individual atoms until now. In a study published as an Advance Online Publication in the journal Nature Nanotechnology on Sunday, physicists at Ohio University and the University of Hamburg in Germany present the first images of spin in action. (2010-04-26)

Jefferson Lab free-electron laser upgrade could induce completely new phenomena in materials
The newly upgraded Jefferson Lab Free-Electron Laser will have the capability of delivering 10,000 watts of infrared light to a material. With this kind of power, a new world of science is opening up for research. (2002-07-03)

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)

Putting a new spin on plasmonics
Researchers at Finland's Aalto University have discovered a novel way of combining plasmonic and magneto-optical effects. They experimentally demonstrated that patterning of magnetic materials into arrays of nanoscale dots can lead to a very strong and highly controllable modification of the polarization of light when the beam reflects from the array. This discovery could increase the sensitivity of optical components for telecommunication and biosensing applications. (2015-05-07)

Seeking dark matter on a desktop
Desktop experiments could point the way to dark matter discovery, complementing grand astronomical searches and deep underground observations. According to recent theoretical results, small blocks of matter on a tabletop could reveal elusive properties of the as-yet-unidentified dark matter particles that make up a quarter of the universe. This finding was announced today by theorists from the Stanford Institute for Materials and Energy Science, a joint institute of SLAC National Accelerator Laboratory and Stanford University. (2010-03-15)

When heat ceases to be a mystery, spintronics becomes more real
The development of spintronics depends on materials that guarantee control over the flow of magnetically polarized currents. However, it is hard to talk about control when the details of heat transport through the interfaces between materials are unknown. This ''thermal'' gap in our material knowledge has just been filled thanks to the Polish-German team of physicists, who for the first time described in detail the dynamic phenomena occurring at the interface between a ferromagnetic metal and a semiconductor. (2018-12-13)

Nanotech experts gather for national meeting hosted by UH
Internationally renowned nanotechnology leaders from both industry and academia will meet in Houston for the second Nanoscale Devices & System Integration (NDSI'05) conference April 4-6. Locally sponsored by the University of Houston Cullen College of Engineering and held at the Warwick Hotel, the NDSI'05 brings together world experts in nanotechnology, offering a high-quality technical program. National sponsors are the National Science Foundation, IEEE Nanotechnology Council, Information Storage Industry Consortium and Nanotechnology Foundation of Texas. (2005-03-31)

New invention that could change design of future memory storage devices
A new phase change material that has the potential to change the design of future memory storage devices has been invented. (2008-10-07)

Theoretical model may help solve molecular mystery
When it comes to realizing low-power electronic devices, spintronics looks promising. However, to generate a suitable spin current, you need a relatively large magnet. An alternative method that uses a special type of molecule has been proposed, but the big question is: does it work? University of Groningen Ph.D. student Xu Yang has constructed a theoretical model which describes how to put this new method to the test. (2019-02-05)

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)

Energy against the current on a quantum scale, without contradicting the laws of physics
In a classical thermodynamic system, the heat current flows from the hotter body to the colder one, or electricity from the higher voltage to the lower one. The same thing happens in quantum systems, but this state can be changed, and the flow of energy and particles can be reversed if a quantum observer is inserted into the system. (2017-10-06)

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)

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