Articles tagged with Ferromagnetism
Researchers from Tokyo Metropolitan University have discovered a hydrogen-absorbing material with negative thermal expansion properties, which can be tuned by adjusting the amount of hydrogen. This finding promises custom high-precision ingredients for precision nanotechnology, addressing volume changes in materials under heating.
Experimental evidence confirms that a single superconductor can induce electron pairing and synchronization in another material, enabling the creation of a Josephson junction with only one superconductor. This discovery has potential implications for topological superconductors and conventional quantum computers.
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.
Scientists successfully introduce ferromagnetism into bismuth ferrite at room temperature through dual-cation substitution, enabling potential use in low-power memory devices. Negative thermal expansion is also observed, which could help solve problems caused by thermal expansion in electronic components.
Researchers at NC State University have developed origami robots that can navigate the body using magnetic 'muscles.' These robots can deliver medicine to ulcers without reducing surface area, enabling a safe and non-invasive procedure. The technique allows for controlled and steady drug release over time.
Researchers at Chalmers University of Technology have discovered an atomically thin material that enables two opposing magnetic forces to coexist, reducing energy consumption in memory devices by a factor of ten. This breakthrough could lead to major energy savings in AI, mobile technology and advanced data processing.
Researchers at Kobe University investigated how different manufacturing techniques affect the electronic structure of magnetic tunnel junctions. They found that the surface of ferromagnets is different when insulators are transferred to them compared to growing crystals on insulator flakes. This difference influences device behavior, p...
Researchers develop a method to transform spin-glass-like quasicrystals into ferromagnetic materials with tunable magnetic properties and strong magnetocaloric response. The technique enables expanded electron-to-atom ratios, unlocking new possibilities for designing high-performance magnetic refrigeration materials.
Researchers have synthesized a novel two-dimensional magnetic material (indium-based chromium telluride) that exhibits robust ferromagnetism and magnetocaloric effect at room temperature. This discovery paves the way for novel applications in high-performance spintronics, magnetic refrigeration, and advanced electronic devices.
Researchers demonstrate a new strategy for magnetization reversal in multiferroic materials, allowing for more energy-efficient electronics. The study achieves this breakthrough by growing thin films in an unconventional crystallographic orientation, enabling the application of electric fields perpendicular to the film surface.
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.
Researchers detect anomalous Hall effect in collinear antiferromagnets with non-Fermi liquid behavior, revealing a 'virtual magnetic field' that boosts the phenomenon. The findings open up new possibilities for information technologies and require further experimental confirmation.
The team fabricated a probabilistic bit device based on manganite nanowires, achieving full control of its probabilistic characteristics with nanoampere-level currents. This p-bit exhibited exceptional computational potential in Bayesian inference tasks, outperforming existing similar probabilistic bits.
Researchers have developed a nickel-iron alloy metamaterial that can concentrate and locally enhance magnetic fields. By controlling the geometry and number of 'petals', the effect can be increased, making it suitable for improving the sensitivity of magnetic sensors.
Researchers at UC Riverside will explore how antiferromagnetic spintronics can improve memory density and computing speed. The project aims to develop ultrafast spin-based technology using special antiferromagnets with potential applications in advanced memory and computing.
Researchers have developed a new spintronic device that allows for efficient switching of magnetic states, enabling the creation of lower-power AI chips. This breakthrough could revolutionize AI hardware with high efficiency and low energy costs.
Researchers at Tohoku University have achieved a significant advancement in opto-magnetic technology, observing an opto-magnetic torque approximately five times more efficient than in conventional magnets. This breakthrough enables the production of opto-magnetic effects with only one-fifth of the previous light intensity.
Researchers at Johannes Gutenberg University Mainz discovered altermagnetism, a new concept in physics that combines the characteristics of ferromagnets and antiferromagnets. The discovery has the potential to increase data storage capacity by utilizing the magnetic moment of electrons for dynamic random-access memory.
Researchers at the University of Utah and UCI have discovered a unique quantum behavior that allows for the manipulation of electron-spin and magnetization through electrical currents. This phenomenon, dubbed anomalous Hall torque, has potential applications in neuromorphic computing.
Researchers at MIT have created a new magnetic state in an antiferromagnetic material using terahertz laser light, enabling controlled switching and potentially leading to more efficient memory chips. The technique provides a powerful tool for manipulating magnetism and advancing information processing technology.
A new class of magnetism called altermagnetism has been imaged for the first time, offering potential to increase operation speeds of up to a thousand times in digital devices. Altermagnets combine favorable properties of ferromagnets and antiferromagnets into a single material.
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.
A team at Osaka Metropolitan University has designed a multilayer device to investigate spin currents, using an organic semiconductor material with a long spin relaxation time. This allows direct observation of phenomena due to spin current generation and enables researchers to gain deeper insights into the properties of spin currents.
Researchers at NICT and partners developed a new type of superconducting flux qubit that can operate optimally in zero magnetic field. The qubit boasts a coherence time of 1.45 microseconds, marking a significant improvement over previous designs.
Researchers successfully visualized tiny magnetic regions, known as magnetic domains, in a specialized quantum material using nonreciprocal directional dichroism. They also manipulated these regions by applying an electric field, offering new insights into the complex behavior of magnetic materials at the quantum level.
Researchers discovered a novel energy transfer channel between magnons and phonons in an antiferromagnet under Fermi resonance, enabling future control of such systems for faster data storage. This breakthrough could lead to increased operational frequencies and enhanced efficiency of magnetic writing.
Researchers have successfully transformed existing optoelectronic devices, including LEDs, into spintronics devices by injecting spin-aligned electrons without ferromagnets or magnetic fields. The breakthrough uses a chiral spin filter made from hybrid organic-inorganic halide perovskite material, overcoming a major barrier to commerci...
Researchers observed a significant anomalous Hall effect at temperatures above the magnetic transition temperature in SrCo6O11, which exhibits unique spin-fluctuation phenomenon. This large effect is attributed to intense electron scattering due to spin-flip fluctuations and has implications for magneto-thermoelectric conversion.
Researchers developed a new method to identify altermagnets using X-ray magnetic circular dichroism (XMCD) and theoretically predicted its fingerprint. The approach was successfully applied to manganese telluride (α-MnTe), revealing the material's hidden fingerprint of altermagnetism, which could accelerate spintronics applications.
A breakthrough in ferromagnet research enables ultra-fast spin behavior, leading to potential advancements in communication and computation technologies. The study's findings have the potential to unlock terahertz processing power, a thousand times faster than current smartphones and computers.
Researchers at KAIST successfully clarified the three-dimensional, vortex-shaped polarization distribution inside ferroelectric nanoparticles using atomic electron tomography. This discovery has implications for ultra-high-density memory devices with capacities over 10,000 times greater than existing ones.
Physicists from Princeton University have discovered the microscopic basis of kinetic magnetism, a novel form of quantum magnetism. They directly imaged the unusual type of polaron that gives rise to this magnetism, using ultracold atoms in an artificial laser-built lattice.
Scientists have found a new way to create ordered states in quantum systems by increasing particle motility, leading to potential breakthroughs in quantum computing and magnetic memory. This discovery extends the concept of active matter to the quantum realm and has far-reaching implications for technology development.
Researchers developed nanodots with single ferroelectric and ferromagnetic domains using multiferroic material BFCO, enabling energy-efficient writing and reading operations. The smaller nanodot showed a single-domain structure, while the larger one exhibited multi-domain vortex structures, demonstrating strong magnetoelectric coupling.
Researchers at HZB have developed a new approach to create and stabilize complex spin textures like radial vortices in various compounds. By using superconducting structures to imprint domains and surface defects to stabilize them, they achieve stable magnetic microstructures that can be used for spintronic applications.
Researchers at Tohoku University propose a new concept for magnet-based memory devices using helical magnets' chirality to resolve crosstalk issues. The devices can be written and read out at room temperature, offering potential for high-density, non-volatile storage.
Researchers successfully demonstrate a third branch of magnetism in manganese telluride, combining ferromagnetic and antiferromagnetic properties. This discovery offers promising opportunities for future applications in information technology and nanoelectronics.
Altermagnetism has been experimentally demonstrated by researchers at Mainz University, showing promise for increasing storage capacity in spintronics. The discovery was made using a momentum microscope to visualize the velocity distribution of electrons in altemagnetic RuO2.
Researchers at Penn State have created a new fusion of materials that exhibits chiral topological superconductivity, a property required for topological quantum computation. The combination of magnetic materials and iron chalcogenide could enable the development of robust quantum computers with unique properties.
Researchers have developed a new way to manipulate spin waves using tailored light pulses, enabling faster information processing technologies. This breakthrough could lead to next-generation computing systems, leveraging the potential of antiferromagnets and magnonics.
A team of researchers has observed bubble formation through false vacuum decay in atomic systems, shedding light on this long-theorized phenomenon. The study confirms the quantum field origin of the decay and its thermal activation, opening up new avenues for understanding early universe and ferromagnetic quantum phase transitions.
A team of researchers has uncovered the magnetic phase diagram of non-Heisenberg-type quasicrystals, revealing new insights into their unique properties. The findings open up new doors for understanding the intricate interplay between magnetic interactions in these materials.
Researchers at UC Davis have found that ultrafast laser pulses can significantly reduce the energy needs of data storage. The pulses accelerate magnetic domains, allowing for faster and more stable memory storage. This technology has the potential to revolutionize spintronic devices such as hard disk drives.
A Vienna University of Technology team successfully changed the type of magnetism in a single crystal by applying pressure, reducing frustration and increasing temperature of magnetic phase transition. This discovery could lead to novel materials for secure data storage and quantum computers.
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.
Researchers at Tohoku University and MIT have unveiled the anomalous dynamics of non-collinear antiferromagnets, revealing a unique interaction between electron spins and chiral-spin structure. The findings provide essential insights for controlling these materials, which could lead to the development of functional devices in spintronics.
Researchers have found an unusual ultrafast motion in layered magnetic materials, which could lead to breakthroughs in high-speed nanomotors for biomedical applications. The discovery was made using cutting-edge ultrafast probes and facilities, revealing a mechanical response across the entire sample.
Scientists have observed the direct visualization of a zero-field pair density wave in an iron-based superconductor, EuRbFe4As4, without a magnetic field. This discovery paves the way for further research into room-temperature superconductivity and its potential applications.
Researchers found that introducing magnetic defects into topological insulators leads to competing ferromagnetic and antiferromagnetic interactions, which control the material's magnetic order. This discovery could have significant implications for reducing energy footprints in computing and electricity transmission.
Researchers from Spain, France, and Germany generate a single domain wall on a half metal nanowire and measure significant resistance changes. The study reveals large magnetoresistance effects in La2/3Sr1/3MnO3 nanowires, holding promise for spintronic applications.
Researchers developed a scalable approach to synthesize ferromagnetic single-atom spin catalysts, which exhibit interatomic quantum spin exchange interaction and induce local magnetic moments. The Ni1/MoS2 SASC demonstrates a dramatic enhancement of OER magnetocurrent by 3,000% under a mild magnetic field.
Scientists at the Max Planck Institute successfully induced high-temperature ferromagnetism in YTiO3 by applying laser pulses, raising the transition temperature to triple its original value. This breakthrough discovery opens new avenues for exploring and manipulating magnetic properties of materials.
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.
Researchers at UIUC use 4D-STEM to resolve magnetic behavior on angstrom scale, breaking record for atomic resolution. They achieve this by combining electron microscopy with simulations using software package Magnstem.
A recent project at KAUST has reported multifunctional logic gates that offer users a range of hardware security advantages, including tamper protection and watermarking. The gates use spintronic devices called magnetic tunnel junctions, which can be easily switchable and obscure their layout, making them hard to reverse engineer.
A research team has made critical achievements in antiferromagnetic spintronics, revealing emerging frontier distinguished by coherent spin dynamics. Key findings include spin generation and transport, electrically driven spin rotation, and ultrafast spintronic effects.
Researchers at ct.qmat created ferromagnetic topological insulator MnBi6Te10 with stronger magnetic field than its antiferromagnetic predecessor. The material's surface exhibits ferromagnetic properties, enabling lossless current conduction.
Researchers developed a method to efficiently couple terahertz waves with spin waves, clarifying fundamental mechanisms previously thought impossible. This breakthrough enables the development of novel spin-based technologies for data processing.
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.
M.A.R.V.E.L.'s magnetic soles made of Electro-Permanent Magnet (EPM) and Magneto-Rheological Elastomer (MRE) enable fast movement on uneven surfaces. The robot can climb at speeds of up to 70 cm/s on walls and 50 cm/s on ceilings, making it the world's fastest walking climbing robot.