Current Magnets News and Events

Current Magnets News and Events, Magnets News Articles.
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Magnetic vortices come full circle
The first experimental observation of three-dimensional magnetic 'vortex rings' provides fundamental insight into intricate nanoscale structures inside bulk magnets, and offers fresh perspectives for magnetic devices. (2020-11-30)

Magnet swallowing by children after changes in federal regulations
Researchers looked at changes in the rates of emergency department visits for children who swallowed small high-powered magnets over a period of change in federal regulations of these magnets. (2020-11-24)

Scientists develop a magnetic switch with lower energy consumption
Joint research conducted by the UAB has shown the ability to switch magnetizacion « on » and « off » using voltage in a new class of easy-to-fabricate materials containing nitrogen. These results, published in Nature Communications, may be used to reduce energy consumption in electronic technologies. (2020-11-18)

UIC researchers describe fundamental processes behind movement of magnetic particles
Researchers from the University of Illinois Chicago describe several fundamental processes associated with the motion of magnetic particles through fluids as they are pulled by a magnetic field. (2020-11-18)

Identifying the microscopic mechanism of vibrational energy harvesters
The Japanese research team elucidated the microscopic mechanism in which amorphous silica becomes negatively charged as a vibrational energy harvester, which is anticipated to achieve self-power generation without charging, as it is needed for IoT that is garnering attention in recent years with its 'trillion sensors' that create a large-scale network of sensors. Unlike wind power and solar power generation, vibrational power generation, which utilizes natural vibration for power generation, is not affected by weather. (2020-11-11)

Electrified magnets: researchers uncover a new way to handle data
The properties of synthesised magnets can be changed and controlled by charge currents as suggested by a study and simulations conducted by physicists at Martin Luther University Halle-Wittenberg (MLU) and Central South University in China. In the journal 'Nature Communications', the team reports on how magnets and magnetic signals can be coupled more effectively and steered by electric fields. This could result in new, environmentally friendly concepts for efficient communication and data processing. (2020-11-09)

Scientists design magnets with outstanding properties
An international team of researchers led by the Centre de Recherche Paul Pascal (UMR 5031, CNRS -University of Bordeaux) has discovered a novel way to design magnets with outstanding physical properties, which could make them complementary to, or even competitive with traditional inorganic magnets, which are widely used in everyday appliances. (2020-11-06)

Towards next-generation molecule-based magnets
Magnets are to be found everywhere in our daily lives, whether in satellites, telephones or on fridge doors. However, they are made up of heavy inorganic materials whose component elements are, in some cases, of limited availability. Now, researchers from the CNRS, the University of Bordeaux and the ESRF (European Synchrotron Radiation Facility in Grenoble) have developed a new lightweight molecule-based magnet, produced at low temperatures, and exhibiting unprecedented magnetic properties. (2020-10-29)

Finding the right colour to control magnets with laser pulses
Scientists have discovered a new way to manipulate magnets with laser light pulses shorter than a trillionth of a second. The international team of researchers, led by Lancaster and Radboud Universities, also identified the light wavelength or colour which enables the most efficient manipulation. The finding is published in Physical Review Letters. (2020-10-12)

High-speed photos shine a light on how metals fail
How things deform and break is important for engineers, as it helps them choose and design what materials they're going to use for building things. Researchers at Aalto University and Tampere University have stretched metal alloy samples to their breaking point and filmed it using ultra-fast cameras to study what happens. Their discoveries have the potential to open up a whole new line of research in the study of materials deformation. (2020-10-07)

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)

Validating the physics behind the new MIT-designed fusion experiment
MIT researchers have published seven papers outlining details of the physics behind the ambitious SPARC fusion research experiment being developed by MIT and Commonwealth Fusion Systems. (2020-09-29)

Scientists develop forecasting technique that could help advance quest for fusion energy
An international group of researchers has developed a technique that forecasts how tokamaks might respond to unwanted magnetic errors. These forecasts could help engineers design fusion facilities that create a virtually inexhaustible supply of safe and clean fusion energy to generate electricity. (2020-09-23)

Solving the strange storms on Jupiter
Geometric storm patterns on Jupiter's south pole have been a mystery to scientists, but Caltech researchers may have uncovered how they form. (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)

Nano-microscope gives first direct observation of the magnetic properties of 2D materials
Widefield nitrogen-vacancy microscope solves problem of there being no way to tell exactly how strongly magnetic a 2D material was. (2020-09-18)

Sm(Fe0.8Co0.2)12 with a lean rare earth content exhibits superb magnetism
NIMS and Tohoku Gakuin University have developed a boron-doped anisotropic Sm(Fe0.8Co0.2)12 thin film containing only small amount of rare earth elements. The compound exhibited 1.2 tesla coercivity, sufficient for use in automotive electric motors. (2020-08-26)

Revised code could help improve efficiency of fusion experiments
Researchers led by PPPL have upgraded a key computer code for calculating forces acting on magnetically confined plasma in fusion energy experiments. The upgrade will help scientists further improve the design of breakfast-cruller-shaped facilities known as stellarators. (2020-08-25)

New superlattice material for future energy efficient devices
A team of international physicists including Jennifer Cano, PhD, of Stony Brook University, has created a new material layered by two structures, forming a superlattice, that at a high temperature is a super-efficient insulator conducting current without dissipation and lost energy. The finding is detailed in a paper published in Nature Physics. (2020-08-17)

Quantum-mechanical interaction of two time crystals has been experimentally demonstrated
An international team of researchers have demonstrated that a new phase of matter which has, until recently, been mere speculation, obeys basic quantum mechanics laws. This offers a basis to investigate the fundamental properties of time crystals further and suggests possible applications in quantum information processing. (2020-08-17)

New superlattice by CCNY team could lead to sustainable quantum electronics
A team of international physicists led by Lia Krusin-Elbaum of the City College of New York, has created a new topological magnetic superlattice material, that at a high temperature can conduct electrical current without dissipation and lost energy. The finding, detailed in a paper published in ''Nature Physics,'' could be the basis of research leading to an entire new quantum materials class that can potentially provide a platform for error-free quantum computing. (2020-08-17)

Pancake bonding as a new tool to construct novel metal based magnetic materials
A Canadian-Finnish collaboration has led to the discovery of a novel magnetic compound in which two magnetic dysprosium metal ions are bridged by two aromatic organic radicals forming a pancake bond. The results of this study can be utilized to improve the magnetic properties of similar compounds. The research results were published in the well-recognized chemistry journal - Inorganic Chemistry Frontiers in July 2020 - with the cover art. (2020-08-13)

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)

When Dirac meets frustrated magnetism
Scientists at the Max Planck Institute of Microstructure Physics have discovered one of the largest anomalous Hall effects (15,506 siemens per centimeter at 2 Kelvin) ever observed in the new compound, KV3Sb5. This material has a never-before-seen combination of properties: Dirac physics, frustrated magnetism, 2D exfoliatability, and chemical stability. Aside from future fundamental research studying the interplay of these ingredients, the unique combination has potential for next-generation computing technologies like spintronics and quantum computing. (2020-07-31)

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)

Manipulating non-magnetic atoms in a chromium halide enables tuning of magnetic properties
The magnetic properties of a chromium halide can be tuned by manipulating the non-magnetic atoms in the material, a team, led by Boston College researchers, reports in the most recent edition of ScienceAdvances. The method is based on a mechanism known as an indirect exchange interaction. (2020-07-24)

Princeton scientists discover a topological magnet that exhibits exotic quantum effects
An international team led by researchers at Princeton University has uncovered a new class of magnet that exhibits novel quantum effects that extend to room temperature. Their findings provide insights into a 30-year-old theory of how electrons spontaneously quantize and demonstrate a proof-of-principle method to discover new topological magnets. (2020-07-22)

Researchers control elusive spin fluctuations in 2D magnets
A Cornell team developed a new imaging technique that is fast and sensitive enough to observe these elusive critical fluctuations in two-dimensional magnets. This real-time imaging allows researchers to control the fluctuations and switch magnetism via a ''passive'' mechanism that could eventually lead to more energy-efficient magnetic storage devices. (2020-06-29)

Experimentally identifying effective theories in many-body systems
One goal of science is to find physical descriptions of nature by studying how basic system components interact with one another. For complex many-body systems, effective theories are frequently used to this end. They allow describing the interactions without having to observe a system on the smallest of scales. Physicists at Heidelberg University have developed a new method that makes it possible to identify such theories experimentally with the aid of quantum simulators. (2020-06-22)

Nanomaterial gives robots chameleon skin
A new film made of gold nanoparticles changes color in response to any type of movement. Its unprecedented qualities could allow robots to mimic chameleons and octopi -- among other futuristic applications. (2020-06-17)

Magnetic guidance improves stem cells' ability to treat occupational lung disease
Results of a study released in STEM CELLS Translational Medicine (SCTM) may point the way to a cure for a serious lung disease called silicosis that affects millions of workers worldwide. (2020-06-15)

Magnetic liquid structure elucidated through hybrid reverse Monte Carlo simulation
Magnetic ionic liquid structures were elucidated through hybrid reverse Monte Carlo simulation. The research results elucidated fundamental understanding of pure liquids with magnetic responses as well as lead to the development of MIL for a variety of practical applications. (2020-06-05)

Anisotropy of spin-lattice relaxations in molecular magnets
Scientists from IFJ PAN in cooperation with researchers from the Nara Women's University (Japan) and the Jagiellonian University (Poland) took another important step towards building a functional quantum computer. Using material containing terbium ions and dedicated experimental tools, they performed a detailed analysis of dynamic magnetic properties in individual molecular magnets concerning their orientation in a magnetic field. Discovered strong anisotropy of these properties is vital in the construction of molecular electronics components. (2020-06-03)

New 'whirling' state of matter discovered in an element of the periodic table
The strongest permanent magnets today contain a mix of the elements neodymium and iron. However, neodymium on its own does not behave like any known magnet, confounding researchers for more than half a century. Physicists at Radboud University and Uppsala University have shown that neodymium behaves like a so-called 'self-induced spin glass,' meaning that it is composed of a rippled sea of many tiny whirling magnets circulating at different speeds and constantly evolving over time. (2020-05-28)

Search-and-rescue algorithm identifies hidden'traps' in ocean waters
Researchers at MIT, the Swiss Federal Institute of Technology (ETH), the Woods Hole Oceanographic Institution (WHOI), and Virginia Tech have developed a technique that they hope will help first responders quickly zero in on regions of the sea where missing objects or people are likely to be. (2020-05-27)

Controlling artificial cilia with magnetic fields and light
Researchers have made artificial cilia, or hair-like structures, that can bend into new shapes in response to a magnetic field, then return to their original shape when exposed to the proper light source. (2020-05-26)

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)

Unraveling the magnetism of a graphene triangular flake
Graphene is a diamagnetic material, this is, unable of becoming magnetic. However, a triangular piece of graphene is predicted to be magnetic. This apparent contradiction is a consequence of 'magic' shapes in the structure of graphene flakes, which force electrons to 'spin' easier in one direction. Triangulene is a triangular graphene flake, which possesses a net magnetic moment: it is a graphene nanometer-size magnet. This magnetic state opens fascinating perspectives on the use of these pure-carbon magnets in technology. (2020-05-11)

A new machine learning method streamlines particle accelerator operations
SLAC researchers have developed a new tool, using machine learning, that may make part of the accelerator tuning process 5 times faster compared to previous methods. (2020-04-29)

Magnet research takes giant leap
Researchers pushing the limits of magnets as a means to create faster electronics published their proof of concept findings today, April 10, in the journal Science. (2020-04-10)

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