Magnetic Properties
Articles tagged with Magnetic Properties
Researchers reveal new method for dialing up superconductivity
Researchers at Ohio State University have discovered a new method for controlling superconductivity by manipulating the surrounding environment. By adjusting electron interactions, they were able to switch the material's superconductivity on and off, revealing a simpler way to control atomic power behind superconductivity.
Researchers demonstrate how magnets influence behavior of metamaterials
Researchers at North Carolina State University have demonstrated how magnets influence the behavior of metamaterials, allowing for controlled unfolding and reduction of randomness. The study also shows potential applications in energy absorption and guiding wave propagation.
Detecting the hidden magnetism of altermagnets
Altermagnets exhibit unique magnetic structure due to unconventional symmetries, enabling spin-polarized electron currents. A new method reveals this hidden structure using circularly polarized light and resonant photoelectron diffraction.
Demonstration of altermagnetism in RuO₂ thin films -- A new magnetic material for the AI era
Researchers have demonstrated altermagnetism in RuO₂ thin films, a promising new magnetic material for high-speed, high-density memory devices. The discovery overcomes limitations of conventional ferromagnets and has the potential to enable more energy-efficient information processing.
Breakthrough iron-based magnetic material achieves major reduction in core loss
A new iron-based magnetic material achieves a 50% reduction in core loss compared to initial amorphous materials, particularly in the high-frequency range. This breakthrough is expected to contribute to next-generation transformers and EV components, leading to more energy-efficient electric machines.
Tiny swarms, big impact: Researchers engineering adaptive magnetic systems for medicine, energy and environment
A $2 million NSF-funded project is creating microscopic robotic swarms that can move and think collectively like schools of fish. The Adaptive and Responsive Magnetic Swarms (ARMS) project aims to design materials that adapt to their surroundings and can be used for medicine, energy and environmental applications.
Novel method for controlling faraday rotation in conductive polymers
Scientists at the University of Tsukuba have created a novel method to control Faraday rotation in conductive polymers by modulating polarons through electrochemistry and magnetic fields. This breakthrough has promising applications in magnetic field sensors and optical communication devices.
Scientists solve mystery of loop current switching in kagome metals
Researchers at Nagoya University solved the puzzle of loop current switching in kagome metals, a special group of quantum metals. Weak magnetic fields reverse tiny loop currents, changing the material's macroscopic electrical properties and reversing current flow direction.
Study unveils novel protein that regulates iron build-up in chiton teeth
Researchers from Okayama University have identified a novel eukaryotic protein called radular teeth matrix protein 1 (RTMP1) that plays a crucial role in regulating iron oxide deposition in chiton teeth. The study reveals that RTMP1 helps concentrate iron ions on the chitin fibers, making them ultrahard and durable.
Superconductivity’s halo: Rice theoretical physicist helps map rare high-field phase
Researchers mapped the angular dependence of a high-field superconducting state in UTe2, revealing a toroidal halo surrounding a specific crystalline axis. A theoretical model developed by Andriy Nevidomskyy successfully reproduced the nonmonotonic behavior, attributing it to Cooper pairs carrying intrinsic angular momentum
Magnetic surfaces found to steer Alzheimer’s-linked protein growth
Researchers discovered that magnetized surfaces significantly influence amyloid protein assembly, forming more fibrils and longer structures when aligned in one direction. The study suggests a new physical factor, Chiral-Induced Spin Selectivity (CISS), plays a direct role in protein self-assembly.
Shedding new light on invisible forces: hidden magnetic clues in everyday metals unlocked
Researchers develop new method to detect subtle magnetic signals in common metals like copper, gold, and aluminum, using a laser and large-amplitude modulation of the external magnetic field. This breakthrough could lead to advances in semiconductor industry, spintronic devices, and quantum systems.
3D-printed magnetoelastic smart pen may help diagnose Parkinson’s
A new diagnostic tool uses AI to analyze handwriting signals, detecting subtle motor symptoms associated with Parkinson's disease. The device has shown an average accuracy of 96.22% in distinguishing patients from healthy individuals.
World's lowest write power operation for high-speed SOT-MRAM cell achieved
Researchers at Tohoku University have achieved the world's lowest write power of 156 fJ in 75° canted SOT devices, reducing write power by 35% compared to current technologies. The breakthrough demonstrates high-speed and field-free writing capabilities for SOT-MRAM.
"Stronger together: Interlocked electrodes push silicon battery lifespan beyond limits"
Researchers at POSTECH have developed an interlocked electrode-electrolyte system that forms covalent chemical bonds between the electrode and electrolyte, maintaining long-term stability. The IEE-based pouch cell demonstrated significantly higher energy density compared to traditional lithium-ion batteries.
Turning non-magnetic materials magnetic with atomically thin films
Scientists at Tohoku University discovered that chromium selenide transforms into a magnetic material when reduced to atomically thin layers, challenging previous theoretical predictions. The research opens new possibilities for spintronics applications and could lead to faster, smaller, and more efficient electronic components.
New microscope reveals heat flow in materials for green energy
Scientists have developed a new microscope that accurately measures directional heat flow in materials. This advancement can lead to better designs for electronic devices and energy systems, with potential applications in faster computers, more efficient solar panels, and batteries.
New Priority Program funded by the German Research Foundation aims to make practical use of unconventional magnetism in IT devices
The new Priority Program will focus on developing IT components utilizing altermagnetism, which combines the benefits of ferromagnets and antiferromagnets. Researchers aim to overcome current limitations and achieve a significant increase in efficiency and speed.
‘Cosmic radio’ could find dark matter in 15 years
Researchers at King's College London and Harvard University develop a detector that can identify axions, leading potential candidates for dark matter. The Axion Quasiparticle (AQ) technology has the potential to discover dark matter in five years with further development.
Understanding the origin of magnetic moment enhancement in novel alloys
Scientists identify the origin of magnetic moment enhancement in an iridium-doped iron-cobalt alloy through high-throughput X-ray measurements. The study reveals that Ir addition leads to increased electron localization and spin-orbit coupling, resulting in enhanced magnetic moments.
Decoding nanomaterial phase transitions with tiny drums
Researchers from TU Delft studied FePS₃ nanomaterial, discovering how vibrations change near its phase transition temperature and affecting magnetic properties. The findings pave the way for ultra-sensitive sensors with exceptional sensitivity to internal and external forces.
“Vortion,” a new magnetic state able to mimic neuronal synapses
Researchers have developed a new magnetic state called 'vortion' that can mimic the behavior of neuronal synapses. By controlling this state, they can create energy-efficient and reconfigurable devices with flexible technological demands.
Intercalation regulates the chemical ordering and property of 2D magnets
Researchers synthesized Fe1+xSe2 nanoflakes with controlled intercalation ratios, discovering a new class of materials with room-temperature magnetism and unique half-metallic behavior. Interkalation regulates magnetic and electrical properties, including Curie temperatures and spin gap.
University of Houston physicists hit major milestone in advancing superconductor applications
Researchers at the University of Houston have achieved a major milestone in finding superconductors that work in everyday conditions. By stabilizing high-pressure-induced superconducting states at ambient pressure, they have opened up new avenues for fundamental research and practical applications.
Neutrons for the quantum technologies of the future: breakthrough results on layered perovskites
Researchers used neutrons to study the magnetic structure of layered perovskites, resolving a long-standing mystery. The study reveals a spiral magnetic structure, which is essential for understanding the material's promising magnetic and electric properties.
Peeling back the layers: Exploring capping effects on nickelate superconductivity
Researchers used advanced X-ray techniques to study infinite-layer nickelates, a promising family of high-temperature superconductors. They found that magnetic fluctuations and spin excitations are present in these materials, regardless of the presence of a capping layer.
Physics: Current generated by the quantum Hall effect has additional magnetic properties
The quantum Hall effect produces a magnetic current in addition to the well-known electric current, allowing for more efficient devices. This breakthrough could enable the creation of new types of electronic devices without energy loss.
New simulation method sharpens our view into the Earth’s interior
A new simulation method has been introduced to investigate the Earth's core, revealing significant effects of magnetism on material properties. The approach combines molecular dynamics and spin dynamics, using machine learning to determine force fields with high precision.
NUS researchers innovate scalable robotic fibres with light-emitting, self-healing and magnetic properties
The NUS research team has developed flexible fibres with self-healing, light-emitting and magnetic properties. The Scalable Hydrogel-clad Ionotronic Nickel-core Electroluminescent (SHINE) fibre offers a more efficient, durable and versatile alternative to existing light-emitting fibres.
Physicists develop new method to visualize magnetic nanostructures with high resolution
Researchers at Martin Luther University Halle-Wittenberg have developed a new method to visualize magnetic nanostructures with a resolution of around 70 nanometres. This breakthrough enables the analysis of spintronic components and has significant implications for energy-efficient storage technologies.
New route to ‘quantum spin liquid’ materials discovered for first time
Researchers at the University of Birmingham create a ruthenium-based material with complex disordered magnetic properties, fulfilling the Kitaev quantum spin liquid state requirements. This breakthrough opens up new pathways for exploring these states of matter and provides a route to magnetic properties that don't follow classical laws.
Synthesis of a new compound with excellent intrinsic magnetic properties using smaller amounts of rare earth elements
Scientists have successfully synthesized a new SmFe-based magnetic compound, exhibiting superior intrinsic magnetic properties compared to traditional NdFeB compounds. The compound's high magnetization and anisotropy field make it suitable for electric vehicle applications without the need for critical rare-earth elements.
Paving the way to extremely fast, compact computer memory
The layered multiferroic material nickel iodide (NiI2) has been found to have greater magnetoelectric coupling than any known material of its kind, making it a prime candidate for technology advances. This property could enable the creation of magnetic computer memories that are compact, energy-efficient and can be stored and retrieved...
Light-induced Meissner effect in optically driven YBa2Cu3O6.48
Researchers have discovered that photo-excited YBa2Cu3O6.48 expels a static magnetic field from its interior, comparable to equilibrium superconductivity. This finding suggests that tailored light pulses can be used to synchronize fluctuating states and restore superconducting order at higher temperatures.
New method developed to control quantum bound states in superconducting device
Researchers successfully controlled Andreev bound states in bilayer graphene-based Josephson junctions using gate voltage, observing changes in real-time and confirming theoretical predictions. The discovery enables adjustment of energy levels, opening potential for diverse applications.
Breakthrough research uncovers hidden phenomena in ultra-clean quantum materials
Researchers have discovered unusual transport phenomena in ultra-clean SrVO3 samples, contradicting long-standing scientific consensus. The study's findings challenge theoretical models of electron correlation effects and offer insights into the behavior of transparent metals.
Controlling electronics with light: the magnetite breakthrough
Scientists have discovered that specific light wavelengths can induce non-equilibrium transitions in magnetite, a well-studied material. This breakthrough enables the control of electronic properties at ultrafast timescales, opening up new avenues for advanced materials and device development.
Transforming common soft magnets into a next-generation thermoelectric conversion materials by 3 minutes heat treatment
A team of scientists at NIMS and Nagoya University has developed a novel method to create transverse thermoelectric conversion materials from common soft magnetic alloys. By applying a short period of heat treatment, they significantly improve the performance of anomalous Nernst effect, leading to enhanced energy efficiency and thermal...
Evolution: Weak magnetic field may have supported diversification of life on Earth
Researchers found that a weak magnetic field coincided with significant oxygen increase in the atmosphere and oceans between 591-565 million years ago, supporting evolution of complex organisms. This weakening led to increased hydrogen escape, resulting in more oxygen and potentially driving animal radiation during Ediacaran Period.
Probing the effects of interplanetary space on asteroid Ryugu
Researchers analyzed asteroid Ryugu samples to study magnetic and physical bombardment environment in interplanetary space. The investigation revealed changes likely caused by micrometeoroid bombardment, providing insights into the solar system's early stages.
Mazin to study electronic, transport & topological properties of frustrated magnets
Igor Mazin will receive $258,480 to examine frustrated magnetic systems and their electronic, transport, and topological properties. The project aims to understand the underlying principles of skyrmions and quantum spin liquids.
Researchers show it’s possible to teach old magnetic cilia new tricks
Researchers have developed a method to create and repurpose artificial hairs with magnetic properties, enabling the control of motion at room temperature. The technique involves programming and reprogramming the magnetization of the magnetic particles in the cilia, allowing for changes in their behavior.
Novel Au-BiFeO3 nanostructures for efficient and sustainable degradation of pollutants
Researchers developed Au-BiFeO3 nanocrystals with improved photocatalytic activity, achieving 98% methylene blue degradation efficiency. The nanoparticles' unique localized surface plasmon resonance and electron transfer mechanisms enhance their recyclability and stability.
A magnetic “butterfly” with entangled spins for quantum technologies
Researchers create butterfly-shaped nanographene with four unpaired π-electrons, demonstrating potential for advancements in quantum computing. The unique structure has highly correlated spins, extending coherence times of spin qubits.
Under pressure
Scientists have created a novel instrument that enables the precise measurement of superconductors under extreme pressure, overcoming existing limitations. The new tool uses quantum sensors integrated into a standard pressure-inducing device, allowing for direct imaging of the material's behavior.
Structural isomerization of individual molecules using a scanning tunneling microscope probe
A team of scientists developed a technique to modify individual molecule units in a controlled manner, achieving structural isomerization and synthesizing reactive diradicals. This breakthrough enables the creation of novel carbon nanostructures with designer molecular units.
In search of muons: Why they switch sites in antiferromagnetic oxides
Researchers have discovered that magnetostriction causes a magnetic phase transition in manganese oxide at 118K, leading to the switch of muon sites. The study uses advanced simulations and resolves a long-standing puzzle, shedding new light on antiferromagnetic oxides.
Moon rocks with unique dust found
A research team led by Dr. Ottaviano Rüsch from the University of Münster has discovered anomalous meter-sized rocks on the lunar surface covered in dust, exhibiting unique reflective properties. These findings provide insights into the processes that form and change the lunar crust, including potential magnetic anomalies.
Electronic pathways may enhance collective atomic vibrations’ magnetism
Researchers discovered that chiral phonons, which exhibit circular motion, interact differently than linear phonons and have a larger magnetic moment in topological materials. This finding enhances thermal conductivity and opens new possibilities for advanced devices and applications.
Vacuum in optical cavity can change material’s magnetic state without laser excitation
Theoretical demonstration shows that an optical cavity can change the magnetic order of α-RuCl3 from a zigzag antiferromagnet to a ferromagnet solely by placing it into the cavity. The team's work circumvents practical problems associated with continuous laser driving.
Helical and striped arrangement of conducting polymers
Researchers have created a new type of conducting polymer with a helically grown structure, which can emit circularly polarized light. The polymer's radicals are arranged in a helical shape and can be aligned into stripe-like structures when exposed to a magnetic field.
Fractons as information storage: Not yet quite tangible, but close
Researchers have modeled fractons, stationary quasiparticles, and found they are not visible even at absolute zero temperature due to quantum fluctuations. The team plans to develop a model to regulate these fluctuations, paving the way for experimental materials that could exhibit fractons.
Discovering a tunable ferromagnetic quasicrystal with high phase purity
Researchers at Tokyo University of Science have discovered a novel gold-gallium-dysprosium quasicrystal that exhibits ferromagnetic properties, tunability and high phase purity. The discovery opens up new frontiers in magnetic materials science, with potential applications in spintronics and magnetic data storage.
Fluorescent aromatic nanobelts with unique size-dependent properties
Researchers at Nagoya University have synthesized methylene-bridged [n]cycloparaphenylenes ([n]MCPPs) with varying ring sizes, exhibiting unique properties such as fluorescence and paratropic belt currents. The discovery has significant implications for studying magnetic properties of aromatic nanobelts.
Physicists find unusual waves in nickel-based magnet
Researchers found that two outermost electrons from each nickel ion behaved differently, cancelling each other out in a phenomenon called a spin singlet. This led to the discovery of two families of propagating waves at dramatically different energies, contradicting expectations of local excitations.
Breakthrough in magnetic quantum material paves way for ultra-fast sustainable computers
Researchers at Chalmers University of Technology have discovered a two-dimensional magnetic material that can work in room temperature. This breakthrough paves the way for energy-efficient and faster data storage and processing in computers and mobile devices.
Ultrasmall swirling magnetic vortices detected in iron-containing material
Researchers at Argonne National Laboratory have discovered ultrasmall swirling magnetic vortices, known as merons and skyrmions, in an iron-containing material. These tiny magnetic structures show promise for future computer memory storage and high-efficiency microelectronics due to their stability and adaptability to binary code.
Hot topic – how heat flow affects the Earth’s magnetic field
Heat flow in the Earth's core is linked to anomalies in the magnetic field, particularly over Africa and the Pacific. The cooling process does not happen uniformly, causing regional changes to the magnetic field.
Study: Superconductivity switches on and off in “magic-angle” graphene
Researchers at MIT have discovered a way to switch graphene's superconductivity on and off with short electric pulses, opening up new possibilities for ultrafast brain-inspired electronics. This discovery could lead to energy-efficient superconducting transistors for neuromorphic devices.