Current Magnet News and Events

Current Magnet News and Events, Magnet News Articles.
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The magic angle of twisted graphene
Trapped tightly between two monolayers of carbon superimposed at a precise angle, electrons interact and can produce superconductivity. This is what UCLouvain's researchers reveal in an article published in Nature. This property allows electric power to circulate without any resistivity, without energy lost, within the nanostructure. (2021-02-23)

D-Wave demonstrates performance advantage in quantum simulation of exotic magnetism
Researchers at D-Wave Systems published a milestone study in collaboration with scientists at Google, demonstrating a computational performance advantage, increasing with both simulation size and problem hardness, to over 3 million times that of corresponding classical methods. This work was achieved on a practical application with real-world implications, simulating the topological phenomena behind the 2016 Nobel Prize in Physics. This performance advantage is a meaningful step in the journey toward applications advantage in quantum computing. (2021-02-18)

Scientists manipulate magnets at the atomic scale
Fast and energy-efficient future data processing technologies are on the horizon after an international team of scientists successfully manipulated magnets at the atomic level. Physicist Dr Rostislav Mikhaylovskiy from Lancaster University said: ''With stalling efficiency trends of current technology, new scientific approaches are especially valuable. Our discovery of the atomically-driven ultrafast control of magnetism opens broad avenues for fast and energy-efficient future data processing technologies essential to keep up with our data hunger.'' (2021-02-12)

Scientists suggested using non-symmetrical magnets for target drug delivery
A team of scientists from Immanuel Kant Baltic Federal University and the University of Genoa suggested combining permanent magnets of different shapes to target magnetic particles with drugs at the organs of lab mice. Such a combination secured a magnetic driving force that was ten times stronger compared to regular cylindrical magnets. (2021-02-09)

National laboratories' look to the future of light sources with new magnet prototype
After more than 15 years of work, scientists at three DOE national laboratories have succeeded in creating and testing an advanced, more powerful superconducting magnet made of niobium and tin for use in the next generation of light sources. (2021-01-28)

Snakes evolve a magnetic way to be resistant to venom
Certain snakes have evolved a unique genetic trick to avoid being eaten by venomous snakes, according to University of Queensland research. Associate Professor Bryan Fry from UQ's Toxin Evolution Lab said the technique worked in a manner similar to the way two sides of a magnet repel each other. (2021-01-14)

Ferrofluid surface simulations go more than skin deep
Computer models efficiently and accurately simulate the magnetic responses of ferrofluids by considering only the fluid's surface. (2021-01-10)

Scientists take a step towards expanding the use of magnetic fluids in medicine
Magnetic fluids are used in many different areas, including medicine, electronics, mechanical engineering, ecology, etc. Such a wide range of applications is explained by a number of its useful properties. Researchers from Peter the Great St. Petersburg Polytechnic University (SPbPU) in collaboration with colleagues from Jiangsu Normal University (JSNU) discovered new effects in magnetic fluids, which will increase its effectiveness for medical purposes in future. The results were published in Springer Proceedings in Physics. (2020-12-18)

Ultra-thin designer materials unlock quantum phenomena
New research, published in Nature, has measured highly sought-after Majorana quantum states (2020-12-17)

Energy-efficient magnetic RAM: A new building block for spintronic technologies
Researchers demonstrate a new way to enhance the energy efficiency of the non-volatile magnetic memory. (2020-12-10)

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)

Researchers develop low-cost, portable brain imaging scanner
Investigators have developed and tested a low-cost, compact, portable and low-power ''head only'' MRI scanner for brain tests. The scanner could allow for bedside brain imaging for patients or scanning in remote locations. (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)

A new candidate material for quantum spin liquids
Using a unique material, EPFL scientists have been able to design and study an unusual state of matter, the Quantum Spin Liquid. The work has significant implications for future technologies, from quantum computing to superconductivity and spintronics. (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)

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)

All-terrain microrobot flips through a live colon
A rectangular robot as tiny as a few human hairs can travel throughout a colon by doing back flips, Purdue University engineers have demonstrated in live animal models. (2020-10-15)

Using robotic assistance to make colonoscopy kinder and easier
Scientists have made a breakthrough in their work to develop semi-autonomous colonoscopy, using a robot to guide a medical device into the body. The milestone brings closer the prospect of an intelligent robotic system being able to guide instruments to precise locations in the body to take biopsies or allow internal tissues to be examined. (2020-10-12)

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)

Scientists find evidence of exotic state of matter in candidate material for quantum computers
Using a novel technique, scientists working at the Florida State University-headquartered National High Magnetic Field Laboratory have found evidence for a quantum spin liquid, a state of matter that is promising as a building block for the quantum computers of tomorrow. (2020-10-05)

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)

How researchers look at the bird brain in action
How do birds make decisions and which brain regions are particularly active when they solve tasks? Researchers from Bochum are investigating these questions. So far, only anesthetized birds and therefore passive experiments could be examined using the functional magnetic resonance imaging (fMRI). Thus, the examination of brain processes during active tasks was not possible. Now the researchers have constructed an experimental set-up which allows them to carry out fMRI examinations on awake pigeons and thus also investigate cognitive processes for the first time. (2020-09-18)

Can sunlight convert emissions into useful materials?
A team of researchers at the USC Viterbi School of Engineering has designed a method to break CO2 apart and convert the greenhouse gas into useful materials like fuels or consumer products ranging from pharmaceuticals to polymers. Typically, this process requires a tremendous amount of energy. However, in the first computational study of its kind, Shaama Sharada and her team enlisted a more sustainable ally: the sun. (2020-09-01)

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)

Aquatic robots can remove contaminant particles from water
Scientists from WMG at the University of Warwick, led by Eindhoven University of Technology in the Netherlands, developed a 1cm by 1cm wireless artificial aquatic polyp, which can remove contaminants from water. Apart from cleaning, this soft robot could be also used in medical diagnostic devices by aiding in picking up and transporting specific cells for analysis. (2020-08-10)

Spin, spin, spin: researchers enhance electron spin longevity
The electron is an elementary particle, a building block on which other systems evolve. With specific properties such as spin, or angular momentum, that can be manipulated to carry information, electrons are primed to advance modern information technology. An international collaboration of researchers has now developed a way to extend and stabilize the lifetime of the electron's spin to more effectively carry information. (2020-07-30)

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)

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)

Improved cochlear implant device allows safe MRI in children without discomfort
A study from Ann & Robert H. Lurie Children's Hospital of Chicago found that children with a MED-EL Synchrony cochlear implant device can undergo MRI safely, with no discomfort and reduced need for sedation or anesthesia. Findings were published in the peer-reviewed journal Laryngoscope. (2020-07-09)

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)

Scientists found out how nanoparticles kill cancer cells
Because of their unique properties, magnetic nanoparticles can be used for therapeutic diagnostics and personalized treatment of cancer diseases, as well as be an effective contrast agent for MRI examination and imaging of tumors. (2020-06-25)

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)

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)

Engineers develop low-cost, high-accuracy GPS-like system for flexible medical robots
Roboticists at the University of California San Diego have developed an affordable, easy to use system to track the location of flexible surgical robots inside the human body. The system performs as well as current state of the art methods, but is much less expensive. Many current methods also require exposure to radiation, while this system does not. Their findings are published in the April 2020 issue of IEEE Robotics and Automation Letters. (2020-05-18)

'Water wires' may play bigger role in cellular function
In a new PNAS paper, FSU researchers call into question the role water wires play in the cellular process, explaining how scientists have vastly underestimated the role they play in the cellular membrane channel. (2020-05-12)

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)

Scholes finds novel magnetic field effect in diamagnetic molecules
The Princeton University Department of Chemistry publishes research this week proving that an applied magnetic field will interact with the electronic structure of weakly magnetic, or diamagnetic, molecules to induce a magnetic-field effect that, to their knowledge, has never before been documented. With the experimental application of magnetic fields up to 25 Tesla, molecules with little intrinsic magnetism exhibit magneto-sensitive optical and photophysical properties. (2020-05-04)

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)

IKBFU and University of Oviedo Physicists tested new research model on magnetic materials
Laboratory of Novice Magnet Materials working in collaboration with Spanish scientists (the University of Oviedo, Spain) tested the Preisach model using interfacing Fe-based microwires. This research was made to check whether it is applicable for FORC-analysis and how real-life conditions affect it. (2020-04-23)

New handle for controlling electromagnetic properties could enable spintronic computing
Materials scientists at Duke University have shown the first clear example that a material's transition into a magnet can control instabilities in its crystalline structure that cause it to change from a conductor to an insulator. If researchers can learn to control this unique connection between physical properties identified in hexagonal iron sulfide, it could enable new technologies such as spintronic computing. (2020-04-13)

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