Articles tagged with Magnetic Response
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 the University of Stuttgart have developed a new technique that allows for simultaneous excitation and detection in MRI, reducing dead time and enabling precise imaging of rapidly decaying signals. This method has potential applications in medical imaging, materials research, and safety inspections, and could lead to new...
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.
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 develop novel dual-laser method to create adaptive, shape-locking devices. The material integrates a shape-memory polymer skeleton with magnetic microcapsules, allowing for 'writing' and 'bending' of instructions and shapes in situ.
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.
In a groundbreaking study, researchers discovered that strong magnetic fields can reverse the overall direction of angular momentum in magnetovortical matter. This finding challenges established theories and highlights the previously underestimated role of orbital motion in certain regimes.
A multidisciplinary team of researchers will investigate how animals detect magnetic fields, building on existing knowledge that a blue-light sensing protein called Cryptochrome plays a key role. The study's findings may lead to the development of non-invasive measurement tools and magnetic cell therapies.
Researchers have developed a new X-ray technique called XL-DOT that visualizes crystal grains, grain boundaries, and defects in materials, enabling previously inaccessible insights into functional materials. The technique uses polarized X-rays to probe the orientation of structural domains in three dimensions.
Rice researchers use a rapidly alternating magnetic field to create direction-dependent structures from superparamagnetic beads, offering precise control over material properties. The study reveals the importance of magnetic relaxation time in controlling particle interactions.
Researchers from the Max Born Institute have developed a method to manipulate magnetism using circularly polarized XUV radiation, generating large magnetization changes without thermal effects. The study demonstrates an effective non-thermal approach to controlling magnetism on ultrafast time scales.
A new study at Hebrew University uncovered a previously unknown connection between light and magnetism, enabling the control of magnetic states with light. This breakthrough paves the way for high-speed memory technology and innovative optical sensor development.
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.
A team of experts identified 29 sources of bias in AI/ML models for medical imaging, including data collection, preparation, and deployment. The study provides a comprehensive roadmap for mitigating these biases and ensuring fairness, equity, and trust in AI/ML models.
Researchers at Max Born Institute have developed a hybrid laser pulse that controls ultrafast light-induced currents in giant materials. This breakthrough enables the creation of valley-currents and spin-currents, vital for future valleytronics technology.
The team creates software and hardware for a 4D printer that can control shape-changing materials in response to external magnetic fields or mechanical deformation. This technology enables the design of soft robots, smart sensors, and substrates with self-healing capabilities.
Texas A&M researchers have developed a method to embed hidden magnetic tags in metal parts, providing a new tool to combat counterfeited goods. The technique uses metal additive manufacturing to create unique identifiers that can be read using a magnetic sensor device.
Researchers at Aalto University developed a new material that changes its electrical behavior based on previous experience, effectively giving it adaptive memory. The material responds differently to varying magnetic field strengths, which affects its conductivity and allows for bistability and rudimentary learning-like properties.
Researchers have reported the first observation of switchable chiral transport in a structurally achiral crystal, Kagome superconductor CsV3Sb5. The team proposes a model where electrons arrange themselves in patterns that violate mirror symmetry, even though atoms are arranged symmetrically.
Gwangju Institute of Science and Technology researchers have developed a rabbit-scale three-dimensional magnetic particle imaging system that can scan large volumes at high resolution. The system uses amplitude modulation to minimize peripheral nerve stimulation while maintaining high image quality.
A KAUST-developed nanotechnology platform uses tiny iron wires that bend in response to magnetic fields to accelerate bone cell formation. Bone-forming stem cells grown on the moving substrate transform into mature bone much faster than usual, potentially paving the way for more efficient regeneration of bone.
Scientists at Max Born Institute demonstrate ultrafast emergence of all-optical switching by generating a nanometer-scale grating through interference of two pulses in the extreme ultraviolet spectral range. The researchers identify an intensity ratio as a fingerprint observable for AOS in diffraction experiments.
Researchers have developed a novel method for molecular encoding using paramagnetic properties, enabling digital information storage and transmission. The system uses lanthanide elements to create unique signals that can be read remotely, with potential applications in chemistry, pharmacy, telemedicine, and more.
Physicists at Rice University have found telltale signs of antiferromagnetic spin fluctuations coupled to superconductivity in uranium ditelluride, a rare material promising fault-free quantum computing. The discovery upends the leading explanation of how this state of matter arises in the material.
Scientists use squeezed light to improve the sensitivity of a magnetometer, overcoming shot noise limitations. By evading measurement back-action, they enhance the magnetometer's performance and detect smaller changes in magnetic fields.
Researchers have discovered a new paradigm in superconductivity, where the 'strange metal' phase plays a crucial role in understanding high-temperature superconductivity. The study found that exotic carriers undergo maximal dissipation in the metallic state, leading to a far cry from the original theory of superconductivity.
Researchers at UC3M's 4D-BIOMAP project have developed magneto-active polymers that can alter mechanical properties, stiffness, and shape. These materials could be used in epithelial wound healing stimulation, soft robots, and artificial muscles, revolutionizing biomedical engineering.
Researchers at KAUST have developed a computational algorithm to simulate ferrofluid behavior, enabling more accurate predictions of the liquid's response to a magnet. By simulating only the surface layer of the ferrofluid, they were able to reduce computational complexity and accurately reproduce complex spike patterns.
Scientists create magneto-plasmonic nanoantennas with hybrid high-order multi-polar dark modes, enabling unprecedented control of light polarization. The resulting amplification enhances the magneto-optical activity, overcoming previous limitations and opening new avenues for nanophotonic applications.
Researchers from Helmholtz-Zentrum Dresden-Rossendorf and Helmholtz-Zentrum Berlin have discovered a unique chiral effect in magnetic materials. The team created parabolic strips of Permalloy, which exhibited a surprisingly strong delayed response to a reversed magnetic field due to curvature-induced chiral properties.
Researchers at the University of Arkansas have discovered a promising new material that can efficiently store information using both magnetic and electric fields. The study suggests this material, bismuth ferrite, could lead to faster and cheaper computer memory.
Physicists propose non-invasive probe to induce magnetic response in materials with weak or nonexistent fields. This technique could yield more sensitive MRI machines, high-speed storage memory, and efficient CPUs.
Researchers from Forschungszentrum Jülich and LMU Munich use angle-resolved photoemission spectroscopy to visualize band structure shifts in response to magnetic field changes. This observation confirms the predictions made by Einstein's theory of relativity, which suggests that electrons can sense the direction of a magnetic field.
Researchers from General Atomics and Princeton Plasma Physics Laboratory made a major breakthrough in controlling heat bursts in fusion reactors. They found that tiny magnetic fields can create two distinct responses, allowing more heat to leak out and preventing intense heat bursts.
Researchers have developed an elastic material coated with microscopic, hairlike structures that tilt in response to a magnetic field. The microhairs can direct water upward and even control the flow of light.
Researchers at Duke University have developed a method to measure the response of an individual neuron to transcranial magnetic stimulation (TMS), a procedure used to treat psychiatric disorders. By recording activity from single neurons during TMS, the team gained a basic understanding of the technique's physiological mechanisms.
Scientists at Berkeley Lab discovered that the re-ordering of spin in manganites is not ultra-fast, but rather exhibits a glass-like state, with the restoration of crystalline order delayed. This separation of charge-ordering behavior from spin-ordering behavior may lead to new approaches for manipulating spin effects.
A new study found that gamblers' brains exhibit similar increases in theta activity to wins and near-misses, particularly in the insula and orbitofrontal cortex. This response is associated with gambling severity and susceptibility to problem gambling. The research suggests that brain responses to near-misses resemble those to actual w...
Researchers at NIST created nanodot arrays with uniform response to magnetic fields, reducing variation by 5% and identifying key design cause. This breakthrough enhances prospects for commercially viable nanodot drives with increased storage capacity.
Scientists develop materials that respond magnetically to THz, infra-red, and visible radiation, enabling applications in biological and security imaging. The discovery marks a significant step towards creating perfect lenses that can focus features smaller than the wavelength of light.
Researchers from the University of Virginia measured microvascular diameters in response to static magnetic field exposure in skeletal muscle. The study found a restorative, biphasic effect on microvascular tone acting to normalize tone following exposure, with primary mediation by smaller resistance arterioles.
Researchers at Virginia Tech are developing 'bursting' polymer molecules that can change their architecture in response to stimuli, offering potential solutions for drug delivery and novel wound dressings. The breakthroughs are driven by responsive groups on the ends of the polymer chain.