Articles tagged with Magnets
Researchers at the University of Melbourne have created a new microscopy technique that allows direct observation of the magnetic properties of ultrathin 2D materials, such as graphene. The findings reveal that these materials are weakly magnetic and can be easily demagnetized.
A $1.5 million project aims to reduce the cost of high-temperature superconductors by a factor of 30, enabling the widespread adoption of fusion energy as an on-demand, emissions-free source of power
Researchers developed a boron-doped anisotropic Sm(Fe0.8Co0.2)12 thin film with exceptional magnetic properties. The compound showed a large coercivity of 1.2 T and a remanent magnetization of 1.5 T, outperforming previously studied Sm(Fe0.8Co0.2)12 compounds.
The U.S. Department of Energy has awarded Berkeley Lab $1.6 million over three years to develop a superconducting magnet system for cancer treatment, while another project aims to advance rapid-fire laser technology for particle colliders and tabletop accelerators.
RAMBO-II will produce stronger magnetic fields and probe samples with an even broader spectrum of intense laser pulses. This upgrade enables researchers to study materials under extreme conditions, advancing the frontiers of materials physics and chemistry.
Researchers at University of Jyväskylä and University of Ottawa developed a novel magnetic compound with pancake bond, improving magnetic properties at elevated temperatures. The design strategy paves the way for new single-molecule magnets with potential applications in spintronics and quantum computers.
The discovery of KV3Sb5, a material hosting Dirac physics and metallic frustrated magnetism, has led to the observation of one of the largest anomalous Hall effects (AHEs) ever seen. This unique combination enables scientists to study the interaction between these exotic properties.
Researchers uncover novel quantum effects in a quantized topological phase, providing insights into a 30-year-old theory and demonstrating a proof-of-principle method to discover new topological magnets. The discovery opens up promising platforms for dissipationless current and future green technologies.
The SLAC National Accelerator Laboratory has successfully produced its first X-ray beam using the upgraded LCLS-II facility, demonstrating significant advancements in X-ray technology. The new undulators offer dramatic new capabilities, including precise control of X-ray beams and unprecedented repetition rates.
A new MED-EL Synchrony cochlear implant design allows children to undergo MRI scans safely and comfortably, reducing the need for sedation or anesthesia. The innovative device eliminates the need for surgical removal of the magnet or a head wrap, increasing accessibility to critical diagnostic tools.
A Cornell team created a new imaging technique that enables real-time observation of critical spin fluctuations in two-dimensional magnets. By controlling these fluctuations, researchers can switch magnetism without using a magnetic field, potentially leading to the creation of more energy-efficient magnetic storage devices.
Researchers at UC Riverside developed a new film made of gold nanoparticles that can respond to any type of movement, enabling robots to mimic chameleons. The material's complex patterns can be displayed through programming, opening up various applications such as underwater exploration and authentication features.
Scientists investigated how dynamic magnetic properties of individual molecular magnets change with orientation in a magnetic field. They found strong anisotropy, which is crucial for building functional quantum computer components.
Researchers at Radboud University and Uppsala University have discovered a new type of magnetic behavior in neodymium, where atomic spins form patterns that whirl like a helix but constantly change. This phenomenon, known as a self-induced spin glass, could pave the way for new materials for artificial intelligence.
Scientists from North Carolina State University have developed artificial cilia that can be controlled using magnetic fields and light. The research builds on earlier work in designing soft robots for magnet and light control. The new findings demonstrate the potential applications of shape memory magnetic cilia in various fields.
Researchers developed an affordable, radiation-free GPS-like system to track flexible surgical robots inside the human body. The system improves localization accuracy, enabling safer and more compliant robot use in constrained environments.
A graphene triangular flake, called triangulene, has been found to possess a net magnetic moment and is a graphene nanometer-size magnet. This discovery opens new avenues for using these pure-carbon magnets in technology.
A new patented process using ligand-assisted chromatography enables the efficient and environmentally friendly purification of critical rare earth metals. The technology, developed by Purdue University, has successfully shown to separate the metals without devastating environmental effects.
Scientists apply strong magnetic fields to weakly-magnetic molecules, inducing new optical and photophysical properties. This discovery could allow scientists to change electronic properties of some classes of molecules using magnetic fields as a handle. The research uses the world's strongest magnet for NMR spectroscopy.
Researchers at SLAC National Accelerator Laboratory have developed a new tool using machine learning to streamline accelerator tuning, reducing the time spent on this task by three to five times. The new algorithm combines human knowledge with the speed and efficiency of 'smart' computer programs.
Researchers from IKBFU and the University of Oviedo tested a new Preisach model for analyzing magnetic interactions in ferromagnetic microwires. The study found that real-life conditions can affect the applicability of the method, highlighting its limitations.
Scientists at the University of Central Florida and partners have successfully created anti-ferromagnetic devices that operate on the terahertz level, paving the way for ultra-fast electronics. This breakthrough technology has the potential to revolutionize guidance systems, communications, and even mimic brain function.
The new method uses a combination of undulators and TRIBs to switch the helicity of X-ray pulses, enabling faster XMCD experiments with intervals as short as 1 microsecond. This breakthrough could lead to improved imaging techniques for magnetic data storage devices.
A case report published in HeartRhythm Case Reports describes a patient whose e-cigarette caused magnetic reversion in their implantable cardioverter-defibrillator, interrupting its ability to detect heart rhythm problems. The incident highlights the importance of keeping electronic devices away from medical-grade implants.
Scientists have proposed using permanent magnets to simplify the design and production of stellarators, which are twisty fusion facilities that can produce massive amounts of energy. This innovation could lead to the creation of simpler, non-twisted coils and lower costs for engineering and manufacturing.
A team of researchers has successfully created super magnets using laser-based 3D printing, allowing for high-density magnet production with tailored magnetic properties. This breakthrough enables precise control over microstructure and geometric requirements, addressing the limitations of traditional manufacturing methods.
Researchers have created a hybrid film combining cobalt and Buckminsterfullerene, boosting magnetic energy product five times at low temperatures. This breakthrough could lead to rare-earth-free magnets, mitigating environmental damage in renewable energy and consumer electronics.
Researchers successfully separate and observe single-molecule magnets (SMMs) on a magnetically neutral silica substrate using transmission electron microscopy. This breakthrough enables the development of auto-associative memories and multi-criterion optimization systems, mirroring the human brain.
Scientists from QuTech have observed experimental signatures of Nagaoka ferromagnetism using an engineered quantum system. This phenomenon was predicted by Japanese physicist Yosuke Nagaoka in 1966 and has never been observed naturally. The researchers created a two-dimensional lattice of four quantum dots, which allowed them to trap t...
Researchers have created a single-molecule magnet that can store and access data using laser pulses, enabling hard drives to process data up to 100 times faster than current technologies. This development could improve energy efficiency and reduce carbon emissions from cloud computing systems.
Researchers at KAUST developed a practical method to visualize the magnitude and direction of current flow through magnetic thin films. By using skyrmions and magneto-optical Kerr microscopy, they directly mapped nonuniform electrical current distribution in layered platinum, cobalt, and tantalum materials.
Researchers developed time-resolved magnetic laminography technique to visualize magnetic state in three dimensions. This allows for understanding of complex magnetization patterns and behavior, crucial for next-generation data storage and processing.
Physicists at the Paul Scherrer Institute recorded a short 'film' of the three-dimensional magnetic structure inside a material with nanoscale resolution. This reveals intricate patterns and domain walls that could be used to pack data more tightly than current methods.
Scientists at TU Graz have successfully manufactured super magnets with high relative density and controlled microstructures using 3D printing technology. The developed process enables efficient material use by tailoring magnetic properties according to the application, making it a promising alternative to rare earth metals.
Researchers have developed a technique to create high-resolution images of biological samples, revealing new molecules and their spatial distribution. The technique uses a powerful mass spectrometer to produce detailed visuals of the molecular makeup of animal tissue.
Scientists from Cornell University and Brookhaven National Laboratory successfully demonstrated the world's first capture and reuse of energy in a multi-turn particle accelerator. The Energy Recovery Linear accelerator (ERL) technology uses two transformational 'green' technologies to recover and re-use previously accelerated particles...
Researchers develop a machine capable of solving complex theoretical physics problems, outperforming humans in speed and accuracy. The machine successfully reproduces phase diagrams and independently figures out mathematical equations, opening up new possibilities for quantum computing.
A team led by Professor Sylvain Martel developed a robotic platform using the fringe field of an MRI scanner to guide medical instruments through deeper and more complex vascular structures. The approach has been successfully demonstrated in-vivo, opening up new horizons for minimally invasive procedures.
Cornell University physicists have developed a self-assembling system using magnets to mimic specific binding in DNA. By controlling magnetic interactions, they can create unique structures and potentially build nanoscale machines.
Researchers from HZDR create stable, periodically arranged nanomagnets using a helium-ion microscope. The device optimizes material properties, including carbon nanotubes, and finds applications in spintronic devices and sensing technology.
The Brookhaven-CFS project aims to develop breakthrough technologies for the fusion power industry, focusing on quench detection and protection systems. The team will collaborate to characterize high-temperature superconductors and test their ability to withstand damage-inducing events.
Scientists at ETH Zurich created quadrupole magnetic building blocks that can be assembled into any two-dimensional shape using attractive south and north poles. These modules have potential applications in soft robotics and could be used to create robots controlled by a magnetic field.
Researchers have successfully demonstrated how machine-learning tools can improve the stability of light beams' size for experiments by adjusting parameters that largely cancel out fluctuations. The technique has been shown to reduce beam width errors from a few percent down to 0.4 percent, with submicron precision.
Researchers developed an electronic sensor that can process both touchless and tactile stimuli, enabling seamless interaction in virtual reality scenarios. The sensor's flexibility allows it to register a clear shift from touchless to tactile interaction, allowing for selective control of physical and virtual objects.
A team of scientists has developed a new method for creating high-powered magnets using a simple hydrogenation process. The resulting compound has anti-ferromagnetic properties, making it non-magnetic.
Researchers developed a new type of micromotor that can move around single cells and microscopic particles in three dimensions without damaging them. The technology has potential applications in targeted drug delivery, nanomedicine, tissue engineering, regenerative medicine and other biomedical fields.
A microscopic process of electron spin dynamics in nanoparticles has been identified, which could have wide-ranging impact on applications in medicine, quantum computation, and spintronics. The research provides insights into the principles of energy dissipation in nanomagnets, enabling engineers to build better devices.
Researchers from the University of Cambridge have identified a promising replacement for toxic greenhouse gases used in refrigerators and air conditioners. The device, based on layers of oxygen and metallic elements PST, displays the largest electrocaloric effects yet observed in a body large enough for cooling applications.
Researchers at Ohio State University have found a new method for harnessing thermal energy by exploiting paramagnetic particles, which can produce spin and generate electricity. This breakthrough could lead to the development of more efficient thermoelectric materials and energy harvesting technologies.
Researchers found a magnetic material at room temperature enabling collective electron behavior mimicking massless particles and anti-particles. This phenomenon is attributed to topology, a branch of mathematics governing electron behavior in crystals.
A new robot hand with a dynamic grip can adjust its stiffness to absorb shocks, keeping objects intact during collisions. This technology is valuable for industries like automotive and electronics packaging, enhancing worker safety and machine performance.
Scientists at Fermilab have achieved the highest magnetic field strength ever recorded for an accelerator steering magnet, reaching 14.1 teslas. The success is crucial for future high-energy hadron colliders that require even stronger magnets to accelerate protons to higher energies.
UC Davis' Crocker Nuclear Laboratory has received a $340,000 grant to manufacture astatine-211, a tumor-killing element with promise in targeted alpha therapy. The lab aims to test the feasibility of producing astatine-211 at its facilities.
Researchers at Ruhr-University Bochum have developed a novel molecule that can control its magnetic properties through visible light. The discovery has significant implications for the development of flexible and processable magnetic materials, which could be used in a range of applications including data storage and chemical sensors.
Researchers at KIT develop innovative accelerator technologies with €3 million funding, enabling new discoveries in biology, medicine, and materials science. The project focuses on developing special magnets, radiation diagnosis systems, and plasma accelerators for cutting-edge research applications.
Researchers at PSI have developed a new method to precisely measure strong magnetic fields using polarized neutrons. This allows them to visualize and quantify inhomogeneous and anisotropic magnetic fields, with applications in alternators, MRI systems, and other devices.
Researchers at Ames Laboratory have identified orbital-moment quenching as a tool to enhance magnetization and magnetic anisotropy in samarium-cobalt magnets, potentially leading to improved performance and high-temperature durability.
A team of researchers from Ruhr-Universität Bochum has successfully created new organic molecules with magnetic properties, which retain stability up to -110 degrees Celsius. These compounds could be the key to developing lightweight, transparent, and flexible magnetic materials.
Researchers have created a new material that is both liquid and magnetic, allowing for the creation of printable liquid devices with potential applications in artificial cells and flexible electronics. The droplets can change shape to adapt to their surroundings and are preserved even when divided into smaller droplets.
Scientists at UMass Amherst and Beijing University have developed a way to transform paramagnetic ferrofluids into ferromagnetic liquid droplets, opening up new research areas such as liquid actuators and active-matter delivery. The resulting ultra-soft droplets can be controlled using an external magnetic field.