Articles tagged with Magnets
Researchers found a localized glow near the cathode surface due to enhanced ionization and electron confinement in the magnetic field. Increasing the magnetic field strength revealed a transition from order to chaos via a period-doubling route.
The Cornell-Brookhaven ERL Test Accelerator, CBETA, combines two energy-saving technologies: energy recovery and permanent magnets. This innovation could lead to higher luminosity in colliding-beam experiments and produce brighter, more coherent radiation.
Researchers at University College London and Oxford have developed magnetic implants to control eye movement, improving symptoms of nystagmus for the first time. The study, published in Ophthalmology, shows that the implants can correct oscillopsia and improve visual acuity.
Assemblies of metallic nanoparticles behave like bulk magnets, displaying intriguing shape-dependent behavior that could improve high-density information storage technologies. The structures' magnetic behavior is influenced only by the shape of the assemblies, revealing a single bulk ferromagnet.
A new technique uses magnetic nanoparticles to separate oil from water through electrostatic force and a magnet, showing promise for improving water treatment in oil and gas production. The researchers believe their method could also be used to treat millions of gallons of fresh water and clean drinking water.
Researchers at Oak Ridge National Laboratory have developed a new approach to locate oil and gas in shale, reducing production time and cost. Additionally, the team has discovered a link between electrochemistry and ferroelectricity, enabling new materials for electronics and energy applications.
The Muon g-2 experiment at Fermilab is searching for phantom particles that could rewrite scientists' picture of the universe. The experiment uses a world-famous electromagnet to measure muon particles in a precise magnetic field.
For the first time, researchers have measured the force that draws tiny crystals together and visualized how they swivel and align. The van der Waals forces provide insights into how crystals self-assemble in nature.
Researchers at Duke University have created two new magnetic materials using high-throughput computational models. The success marks a new era for the large-scale design of new magnetic materials, with potential applications in motors, MRI machines and beyond.
Researchers at Saarland University create a flexible, ultra-thin superconducting film with potential applications in space technology and medical devices. The material can screen electromagnetic fields and levitate magnets, making it ideal for applications where weight is an issue.
Researchers discovered a new type of magnet in three layers of graphene, allowing for the observation of electronic interactions. By reducing imperfections, they enabled the development of coordinated electronic interactions, which is essential for creating electronic devices using graphene.
Researchers at Cambridge University developed a portable superconducting magnetic system that can attain a 3-tesla level for the magnetic field. Advances in cryogenics and new cooling technologies made this possible, enabling potential applications in small motors, healthcare, and other fields.
Scientists have found that toroidal magnets can be used to detect axions, one of the dark matter particle candidates. The CAPPuccino submarine, a type of toroidal magnet, has been designed to amplify the energy of photons generated from the axion-photon interaction.
Scientists at the University of Bonn have successfully observed an important cell protein in action using a novel method that measures structural changes within complex molecules. This breakthrough allows researchers to elucidate cellular processes in their natural environment.
Scientists from OIST Graduate University have modelled a spin liquid, showing disorder can co-exist with order in magnetic materials. The discovery offers exciting possibilities for new discoveries in physics and paves the way for finding real magnets in multiple states at once.
Researchers at Oak Ridge National Laboratory have demonstrated that 3D-printed permanent magnets can outperform conventional bonded magnets while conserving critical materials like neodymium and dysprosium. The additive manufacturing process produces complex shapes with nearly zero material waste.
Researchers at TU Wien have developed a method to produce permanent magnets using a 3D printer, enabling precise customization of magnetic fields. The process involves depositing tiny magnetic particles into a polymer matrix, which is then exposed to a strong external magnetic field to create a permanent magnet.
The Stanford team has built an Ising machine, a non-traditional computer that uses optical and electrical processing to solve combinatorial optimization problems. The machine has been tested on thousands of scenarios and shows promise in solving hard optimization problems that traditional computers struggle with.
A Fusion Nuclear Science Facility (FNSF) would test materials and generate fusion fuel, paving the way for a pilot plant that demonstrates net energy production. Spherical tokamaks' design produces high-pressure plasmas with relatively low magnetic fields.
Researchers Iver Anderson and Emma White at Ames Laboratory are awarded a grant to test the performance of Alnico magnets in advanced drive motors. They aim to reduce materials cost, cooling needs, and magnet-processing costs.
Heusler alloy NiMnSb exhibits spin-orbit torques, a phenomenon that enables magnets to flip themselves through internal electron motion. This effect could lead to improved magnetic random access memory architectures with low power consumption and scalability.
Researchers found that a magnetic current flowing through one iron sheet can create quantized spin waves in another separate sheet, without physical connection. This phenomenon has potential benefits for emerging spintronics technology.
Researchers have discovered a new way to create nanoparticles that can replace some rare-earth elements, ensuring the continued supply of critical materials. The approach uses a mixed iron-cobalt oleate complex and shows strong magnetic properties and energy-storing capabilities.
A team of scientists at Argonne National Laboratory created a new material called rewritable magnetic charge ice, allowing unprecedented control over local magnetic fields. This innovation could pave the way for smaller and more powerful computers or even play a role in quantum computing.
Researchers developed a compact, high-powered magnet to generate strong magnetic fields for cyclotron resonance experiments. This breakthrough enables routine measurements on a tabletop in a laboratory environment, facilitating rapid progress in semiconductor device development.
Researchers at Argonne National Laboratory and Northern Illinois University have created a new material, 'rewritable magnetic charge ice,' that allows for unprecedented control over local magnetic fields. This breakthrough could pave the way for new computing technologies with denser storage capabilities and added functionality.
Atomic magnets have been created in a layer of graphene using the absorption of hydrogen atoms. By manipulating these atoms, it is possible to produce magnetic graphene with atomic precision.
EPFL scientists have built a single-atom magnet with stable remanence at 40 Kelvin, paving the way for miniature magnetic storage devices. This achievement could lead to significant advancements in data storage technology.
Researchers discovered significant deviations from the Critical State Model, revealing unexpected behavior favorable for practical applications. The study suggests using 'trapped field magnets' in various new ways and applications, including replacing expensive low-temperature superconducting magnets with more affordable alternatives.
A team of researchers has found evidence of a mysterious new state of matter, known as a quantum spin liquid, in a real two-dimensional material. The discovery matches theoretical models and could lead to the development of faster quantum computers.
A new magnet has been discovered that can control Dirac fermions with zero mass. The researchers found that applying a magnetic field perpendicularly to the layers suppressed conductivity by 1000 percent and confined Dirac electrons, leading to a bulk half-integer quantum Hall effect.
Researchers are using a facility at Princeton Plasma Physics Laboratory to detect Big Bang neutrinos, which could provide new insights into the birth of the cosmos. The project aims to measure the mass of these particles and explore their role in the evolution of the universe.
Spin liquids are rare phenomena where magnets inside atoms don't order when cooled, exhibiting movement like a liquid. Researchers created a kagome map to understand these materials, potentially leading to new magnetic properties and advancing quantum computing.
Researchers at OIST have developed a new theory for smooth magnetic couplings, allowing for the creation of contactless gears that can produce even motion without counterforce. This technology has several advantages over mechanical gears, including reduced maintenance and increased reliability.
Researchers successfully experimented with chiral magnetic materials that show a unique magnetic twisting effect triggered by weak external magnetic fields. This leads to the development of new types of magnetic memories with unprecedented storage capacities, up to 10 million times larger than conventional magnetic storage memory devices.
Researchers develop a new algorithm to simulate electron trajectories in complex magnetic fields, significantly reducing simulation time. The method is applied to multipoles such as quadrupoles or sextupoles, yielding precise results and improving the stability of electron orbits.
A team of researchers developed a method for guiding replacement cells to diseased vascular segments using nanoparticles, which demonstrated promising results in mice. The fresh cells exert their curative effect in these segments by producing nitric oxide and regulating blood vessel expansion.
Researchers from HZDR and TU Dresden have developed a method to fabricate nanomagnets in an iron-aluminum alloy layer without masks. The use of highly focused ion beams enables the generation of complex magnetic geometries suitable for spintronic device applications.
Scientists successfully produced a high-quality FeNi magnet using natural meteorite material in just ten days, significantly reducing the production time from billions of years. This breakthrough resolves issues related to rare-earth supply and paves the way for industrial superiority in future magnets.
Scientists have discovered that ultrathin layers of molybden disulfide (MoS2) remain superconducting under high magnetic fields, contrary to conventional physics. This phenomenon has significant implications for future quantum computing applications and could lead to breakthroughs in information storage.
A new study published in Health Services Research found that Magnet hospitals have higher patient ratings of care than non-Magnet hospitals. Nursing excellence is key to achieving good hospital ratings from patients, according to the study led by Dr. Amy Witkoski-Stimpfel at NYU College of Nursing.
A giant magnet is now ready to drive high-energy particle experiments at Fermilab, aiming to test the Standard Model's deficiencies and discover new particles. The Muon g-2 collaboration, including the University of Washington, will conduct precise measurements using muons generated by protons.
Frustrated magnets can produce tiny magnetic vortices, known as skyrmions, that may be used in memory storage. The discovery opens up a new class of materials for scientists working on skyrmionics, which aims to build logic devices based on skyrmions.
Researchers have developed a simple mechanism to control the swimming direction of magnetotactic bacteria, which can provide insight into the earth's sedimentary layers and potentially be used as indicators of climate change. The new tool uses a rotating permanent magnet to generate a controlled magnetic field.
Researchers at the University of Leeds have successfully altered quantum interactions to generate magnetism in non-magnetic metals by removing electrons using a carbon molecule interface. This breakthrough enables the use of abundant and harmless elements like carbon and copper, crucial for future technologies such as quantum computers.
A small tilt of magnets makes them viable memory chips, opening the door to a memory system that can be packed onto a microprocessor. This breakthrough could lead to computers that turn on instantly and operate with greater speed and significantly less power.
A team of physicists has confirmed the detection of Weyl points, a kind of massless particle predicted by physicist Hermann Weyl in 1929. The finding was made possible by a novel use of a photonic crystal material, which could lead to new kinds of high-power single-mode lasers and other optical devices.
Researchers created the material by combining titanium and gold, resulting in an unusual magnetic property. The discovery of TiAu has significant implications for understanding magnetism and its applications, particularly in studying phase transitions at absolute zero.
Researchers at the University of Pennsylvania have developed a new method to recycle rare-earth magnets, simplifying the process and increasing efficiency. The technique uses standard laboratory equipment and can separate neodymium and dysprosium from used electronics in just minutes.
Researchers at Virginia Commonwealth University have synthesized a powerful new magnetic material containing iron, cobalt, and carbon atoms, which can store information up to 790 kelvins. This material has long-range magnetic order and rivals the properties of permanent magnets, potentially reducing dependence on rare earth elements.
Researchers at Ohio State University have confirmed and interpreted experimental findings using OSC services, showing that phonons have magnetic properties. A magnetic field reduced the amount of heat flowing through a semiconductor by 12 percent in simulations performed on the Oakley Cluster.
Researchers at Berkeley Lab developed a technique called PSB-KAC, which provides full control of single X-ray pulses without affecting beams for other users. This allows for timed experiments with optimized signal-to-noise ratios and reduced radiation damage.
Researchers at Temple University and the University of Maryland have discovered a new class of non-Joulian magnets that expand their volume when placed in a magnetic field. These magnets can generate negligible amounts of wasteful heat during energy harvesting, making them ideal for creating compact omnidirectional actuators.
A researcher at the University of Waterloo has theoretically demonstrated detecting a single nuclear spin at room temperature, enabling enhanced Nuclear Magnetic Resonance (NMR) imaging of biological materials. A tiny ferromagnetic particle acts as an amplifier to detect a single spin at a distance of 30 nanometres.
Scientists at Ames Laboratory have created a new magnetic alloy using cerium instead of dysprosium, which is scarce and expensive. The alloy demonstrates comparable properties to traditional magnets and could be used in high-performance applications such as wind turbines and automobile engines.
Researchers from the University of Tokyo have developed a new e-paper technology that can be used like a whiteboard for large writing spaces. The display is made from bi-colored microparticles and can be switched between black and white by applying a voltage or magnetic field.
A University of California, Davis study found that the Ising model can explain synchronous events like fruit tree boom and bust years and insect outbreaks. The model applies to understanding population dynamics and has broader implications for extinction and disease.
Researchers observed the Hall Effect in frustrated magnets at extremely low temperatures, challenging previous theories. The discovery may pave the way for new electronics and innovations in computing.
Physicists remotely control magnetic molecules spinning like tops using circularly polarised magnetic field changes. Theoretical findings by Iosif Davidovich Tokman and Vera Il'nichna Pozdnyakova may lead to designing rotating magnetic molecule rotors for powering molecular motors.
Researchers at Vanderbilt University developed a new approach to laparoscopic surgery using magnetic force, allowing for up to 100 times more mechanical power and improved organ retraction. The system consists of an external unit and an internal unit with powerful permanent magnets, enabling accurate positioning and precise control.