Articles tagged with Magnetic Fields
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A University of Arizona-led research team has measured the dynamics and ever-changing hot gas shell from where the solar wind originates. The study helps scientists answer fundamental questions about energy and matter moving through the heliosphere, affecting space weather events and planetary orbits.
A team of scientists at the University of Wisconsin-Madison has identified a new mechanism to describe the generation of large-scale magnetic fields. They found that steady velocity gradients are key to creating ordered, large-scale field structures, resolving a long-standing issue in understanding how these fields are generated.
Researchers have created a design framework for magnetic cloaks that can protect sensitive electronics and sensors from magnetic interference. The new concept enables shielding of components in fusion reactors, medical imaging systems, and isolating quantum sensors.
A SwRI-led study finds that quasi-periodic pulsations (QPPs) in solar flares are driven by dynamic oscillations in magnetic reconnection. This research could help refine traditional solar flare models, providing new insights into the mechanisms driving space weather.
Researchers used historical geography to accurately measure Earth's rotation speed during a total solar eclipse in 709 BCE, providing new data about the Sun's activity. The study also supports recent solar cycle reconstructions and independently validates previous findings using radiocarbon analysis.
Researchers have developed magnetic carbon adsorbents made from flax shives and eucalyptus sawdust to effectively remove toxic chemicals like pentachlorophenol from water. The materials demonstrated outstanding performance in removing up to 95% of PCP, showing excellent stability and minimal loss of performance.
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.
A macroscopic device has been designed to reduce eddy-current damping, allowing for precise measurements of physical phenomena like gravity. The system uses a graphite disk and rare earth magnets, enabling ultra-precise sensors that can be used in classical and quantum physics research.
The SwRI-built Solar Wind Plasma Sensor (SWiPS) and Space Weather Follow-On Magnetometer (SWFO-MAG) will capture real-time data on solar wind and magnetic field changes to monitor space weather phenomena. This data will support NOAA's Space Weather Prediction Center and help predict potential impacts on Earth's magnetic field.
Scientists have developed a method to generate pseudomagnetic fields inside photonic crystals, allowing for arbitrary control of light flow. This technique enables high-speed data transmission and opens new possibilities for optical communications and quantum technologies.
A recent study published in Nature Astronomy confirmed decades-old theoretical models of magnetic reconnection in the solar corona, using data from NASA's Parker Solar Probe. The research provides new insights into the process that drives solar flares and coronal mass ejections, which can impact technology on Earth.
Researchers used large-scale simulations to reproduce near-Earth space environment, confirming opposite charge polarities between regions. Plasma motion explains the reversal in equatorial plane.
Researchers have made a significant breakthrough in controlling ultrafast spin dynamics by accelerating demagnetization speed with external magnetic fields. This discovery opens up new avenues for designing multifunctional spintronic devices with field-programmable operations.
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 at Kyoto University have developed a new method to strengthen the brightness of single-photon light sources using magnetism. By introducing defects into a two-dimensional semiconductor, they were able to enhance the emission intensity even under weak magnetic fields.
New experimental techniques can measure intense magnetic fields generated in heavy-ion collisions, shedding light on fundamental physics and the early universe. By studying magnetic field evolution over time, researchers can gain insights into QGP behavior and its effects on particles.
The TRACERS mission will explore dynamic interactions between the Sun's and Earth's magnetic fields. By observing particles and fields in the northern magnetic cusp region, researchers can study how magnetic reconnection affects the space environment.
Astronomers detect first-ever evidence of a 'planet with a death wish' as HIP 67522 b orbits extremely close to its host star, triggering flares that erode the planet's atmosphere. The radiation is so intense it causes the planet to shrink and lose mass at an alarming rate.
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.
Researchers have discovered atacamite, a mineral with unusual magnetic properties, which exhibits magnetocaloric behavior at low temperatures. The material's strong cooling effect has sparked interest in its potential use for energy-efficient cooling and liquefaction of gases.
Researchers developed a novel CrTe2/NbSe2 heterostructure to create stable, controllable interfaces between magnetic and superconducting materials. The structure forms stripe-like patterns hosting localized magnetic moments, enabling topological quantum computing applications.
Researchers at Kyoto University have created a new artificial heterostructure device that mimics broken spatial and time-reversal symmetry, enabling new bulk photovoltaic effects. The device shows promise for next-generation solar cells with improved efficiency and multifunctionality.
Physicists have developed innovative permanent magnet configurations that outperform the classical Halbach design in terms of field strength and homogeneity. The new designs offer great potential for applications in MRI, particle accelerators, and magnetic levitation systems.
Researchers at Tohoku University developed a novel strategy to modulate spin states of single-atom catalysts using external magnetic fields. This approach improves electrocatalytic performance by reducing activation energy and increasing reaction rates.
Researchers developed a novel method to analyze energy losses in soft magnetic materials, using diamond quantum sensors and protocols for kHz and MHz frequencies. The study reveals near-zero phase delay up to 2.3 MHz in high-frequency inductors, indicating negligible energy losses.
Researchers have demonstrated a new quantum sensing technique that surpasses conventional methods by counteracting the limitation of decoherence. The study's coherence-stabilized protocol allows for improved sensitivity and detection of subtle signals, with up to 1.65 times better efficacy per measurement.
The VTF successfully captured a two-dimensional snapshot of the Sun at specific wavelengths, showcasing its scientific capabilities. The instrument enables scientists to analyze plasma properties and study solar magnetic fields, crucial for understanding solar flares and space weather.
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.
Researchers explore evaluation methods for sensitivity limits of quantum magnetometers, revealing intrinsic connections and relationships between quantum characteristics. The study advances theoretical development in quantum magnetometry and experimental optimization.
Researchers have developed a novel oxide material that exhibits autonomous spin orientation control in response to magnetic fields, allowing for the detection of both field direction and strength. The 'semi-self-controlled' spinning enables advanced angle-resolved spintronic devices with strong potential for next-generation technologies.
A new study from the University of Texas Institute for Geophysics suggests that Mars' molten core could explain its unusual magnetic field. Researchers used computer simulations to model a fully liquid core and found that it could produce a one-sided magnetic field, matching the imprint seen today.
Researchers at Flinders University demonstrate how the Earth's magnetic field influences fluid flow, creating exciting possibilities for nano-processing and sustainable green chemistry. The study reveals that fluid flow coupled with magnetic fields can result in the preference of one chirality over the other.
Researchers at Hebrew University and Cornell University developed a way to suppress spin decoherence in alkali-metal gases, reducing spin relaxation rates by an order of magnitude. This breakthrough enables more stable and precise quantum devices, such as atomic clocks and magnetometry.
A comprehensive study examined vehicle-mounted wireless power transfer systems to ensure user safety during electric vehicle charging. The research revealed key considerations for designers: optimizing field distribution patterns, mitigating misalignment effects, and shielding high-frequency cables.
Scientists studied Sagittarius C using the James Webb Space Telescope to understand why fewer new stars are born in the region. They discovered powerful magnetic field lines that form long, bright filaments of hot hydrogen gas, slowing down star formation.
In extremely thin films of niobium diselenide (NbSe₂), superconductivity becomes confined to the surface when thinner than six atomic layers. This discovery challenges previous theories and could have important implications for understanding superconductivity and developing advanced quantum technologies.
Researchers have created tiny robotic tools that can grip, pull and cut tissue in the brain using external magnetic fields. The tools, which are only a few millimetres in diameter, were tested on a phantom brain and found to make precise cuts with an average width of 0.3-0.4 millimetres.
Researchers developed a lighter, smarter magnetoreceptive e-skin that tracks signal paths for applications like virtual reality and robotic systems. The new technology emulates the functioning of real skin and saves energy by using a single global sensor surface and central processing unit.
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 found dramatically enhanced heat oscillations in ZrTe₅ under strong magnetic fields and low temperatures, attributed to a novel mechanism involving electron-phonon interactions. This phenomenon is counterintuitive and has significant implications for understanding quantum transport in semimetals.
The Southwest Research Institute-led instrument measures electric and magnetic fields to characterize the lunar subsurface, shedding light on material differentiation and thermal history. The deployment marks a new era in lunar exploration, providing unprecedented insights into the Moon's composition and structure.
An international team has traced radio pulses to a binary system with a dead star, where a red dwarf and white dwarf orbit each other, emitting a radio blast every two hours. This discovery shows that the movement of stars within a binary system can also emit long-period radio bursts.
A Southwest Research Institute-led team identified electrons with energies enhanced by processes in the Alfvén wing, shaping the plasma environment around Io. These energized electrons interact with Io's atmosphere and surface, ionizing atoms and molecules and creating aurora.
Researchers from the University of Warsaw discovered an unexpected order in interatomic collisions, allowing for controlled interactions at higher temperatures. This breakthrough could simplify future experimental realizations and shed light on fundamental questions about quantum and classical worlds.
Scientists develop wearable human-computer interface using magnetic field sensing electronic textiles that can be integrated into everyday clothing. The technology allows users to control devices with a wave of their finger, revolutionizing electronic textiles and improving durability.
Researchers from Osaka University have discovered a connection between strain equations for atomic dislocations and the Biot-Savart law in electromagnetism. This link enables researchers to use a well-known formula to analyze the effects of dislocations, leading to new findings on material science.
Scientists at Tohoku University and collaborators have made a significant discovery about how magnetic twist induces one-way electric flow in a unique quantum material. By studying the material's electronic behavior, they found that the 'magnetic twist' directly triggers electronic band asymmetry, leading to nonreciprocal transport.
Researchers at the University of Gothenburg have made a breakthrough in developing a new low-cost computer using spintronics, which enables information transmission at room temperature. The study demonstrates the ability to control and synchronize spin waves in complex networks, paving the way for the next generation of Ising machines.
The EZIE mission will use a new measurement technique to study the electrojets, which can create large magnetic disturbances and power outages. By mapping the electrojets' structure and evolution, scientists hope to improve predictions of hazardous space weather.
Researchers developed a high-temperature multiferroic that operates stably at 160℃, surpassing previous limits of 20℃. This breakthrough enables the creation of power-efficient spintronics devices and advanced optical components.
Researchers have discovered a new way to measure magnetic field orientation using tiny atom-based compasses. The technology has the potential to create precise measurement devices for various applications, including navigation, brain imaging, and medical research.
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 SeoulNational University of Science & Technology propose two new designs for energy-efficient vibration energy harvesters that boost power output and efficiency. The designs use a repulsive magnet pair, yoke, and optimized coil placement to maximize magnetic flux change, leading to higher power generation.
The Lunar Magnetotelluric Sounder (LMS) instrument will characterize the Moon's mantle by measuring electric and magnetic fields, providing insights into its material differentiation and thermal history. The LMS instrument is part of a 14-day lunar lander mission to explore the Moon's subsurface in a previously unexplored location.
Researchers observe quantum oscillations in CaAs3 near the Mott-Ioffe-Regel limit, showing strong electronic coherence despite insulating behavior. The findings challenge conventional theories and offer a new perspective on quasiparticle coherence.
Kyushu University researchers create a microwave flow reaction device that converts complex polysaccharides into simple monosaccharides, producing glucose. The device utilizes a continuous-flow hydrolysis process, where cellobiose is passed through a sulfonated carbon catalyst heated using microwaves.
Researchers from NTU Singapore have developed a new crystal structure that shows naturally existing particles can behave like axions, promising to detect dark matter. The findings could lay the groundwork for understanding cosmic phenomena and uncovering the universe's greatest mysteries.
Physicists at Brown University have observed a novel class of quantum particles called fractional excitons, which behave in unexpected ways. The discovery unlocks a range of novel quantum phases of matter, presenting a new frontier for future research.
Researchers have synthesized a novel hydride superconductor A15-La4H23 and observed an unusual metallic state under strong magnetic field conditions. The maximum superconducting critical temperature of 105 K was achieved with the pressure of 118 GPa, expanding our understanding of transport behavior in hydride superconductors.
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.