Articles tagged with Magnetic Properties
Researchers at the University of California San Diego have developed a new approach to switch magnetic states using light, which could lead to faster and more efficient data storage. By shaping and shrinking light, they were able to overcome limitations of previous methods and achieve optical switching in thicker magnetic materials.
Researchers at Tohoku University have developed an ultrasound-based method to convert iron powder into magnetic oxide nanoparticles in hours, eliminating the need for chemical reagents. The process involves using ultrasound to activate the interface between metallic iron and water, resulting in the direct formation of nanoscale oxide p...
Researchers at the University of Warwick have created a new material combining magnetism and electrical polarisation, making it possible to switch magnetic information using an electric field. The material works at close to room temperature, a significant breakthrough for energy-efficient computer memory.
A groundbreaking study reveals that electron spin influences chemical reactions at surfaces, and controlling spin orientation with magnetic fields can dramatically change reaction rates. The study demonstrates the potential for spin-based control of surface chemistry, opening up new possibilities for selective catalysis and reactivity.
Researchers found that aging microplastics can increase the binding of fluorinated pesticides like fluensulfone in agricultural soils. The smallest aged particles showed the strongest effects, with 30-35% of retained fluensulfone bound to PVC microplastics.
Researchers found Eu2MnSi2O7's critical behavior is driven by long-range magnetic interactions, closing a gap in universality of magnetic phase transitions. The study establishes the compound as a platform for studying long-range interactions in complex insulating magnets.
A new study from the University of Toyama found that a 50°C difference in heating temperature significantly affects the structure and stability of ultrathin FePd films. Films heated to 150°C maintained their flat surface, while those at 200°C exhibited controlled solid-state dewetting, enabling self-organized magnetic structures.
Researchers used synchrotron X-ray absorption spectroscopy and atomic-scale computer simulation to measure how iron and cobalt atoms individually respond to temperature change. Iron and cobalt both contribute to suppressing thermal expansion, but iron's effect is stronger and shifts with small changes in the iron-to-cobalt ratio.
Researchers at IISc have demonstrated a new way of switching materials between two fundamentally different magnetic states using an electric current. This discovery could pave the way for compact, energy-efficient electronic devices that store information and perform logic operations, with potential applications in quantum computing.
Researchers demonstrate reversible switching of helimagnetic order by manipulating the polarity of an electric current under an applied magnetic field. The study provides a principle for controlling complex magnetic order using electric currents, advancing fundamental understanding of helimagnets.
Researchers have developed smart molecules that can change their physical properties in response to various external stimuli. These materials can form the building blocks for next-generation data storage units, quantum processors, and advanced industrial sensors.
Scientists at the University of Osaka developed a theoretical framework to explain the anomalously large magnetic susceptibility of organic radical fluids. They found that dynamic magnetic interactions during molecular collisions enhance the magnetic susceptibility, explaining the phenomenon beyond conventional theories.
Researchers from The University of Osaka created a cobalt-based honeycomb structure that exhibits strong magnetic interactions and ferromagnetic-like behavior. This breakthrough may lead to lower-cost quantum computing materials using relatively cheap and widely available cobalt.
Researchers developed a memory technology that stores data using almost no electricity by controlling spin states through temperature changes. The approach reduces energy consumption by up to 66 times compared to existing methods, making it suitable for low-power memory technologies.
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 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.
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.
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.
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.
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.
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.
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.
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.
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
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.
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.
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.
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.
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.
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.
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.
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 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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...
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.
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.
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.
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.
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...
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.
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 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.
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.
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.
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.
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.
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.