Articles tagged with Magnetic Fields
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.
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 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.
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 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.
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.
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.
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.
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.
The Lunar Environment Heliospheric X-ray Imager (LEXI) instrument will provide comprehensive views of Earth's magnetosphere, capturing low-energy X-rays emanating from its edges. This could help researchers understand how the planet responds to space weather and potentially damaging solar particles.
Astronomers at MIT used a novel technique to determine the precise location of a fast radio burst, finding it likely originated from the magnetosphere around a rotating neutron star. The study provides conclusive evidence that fast radio bursts can emerge from this highly magnetic environment.
Researchers demonstrate how grape pairs can create strong localized magnetic field hotspots of microwaves used in quantum sensing applications. The study could help develop more compact and cost-effective quantum devices.
Researchers used time-delayed laser pulses to capture electric and magnetic field vectors of surface plasmon polaritons, revealing a meron pair's spin texture. The study demonstrates stable spin structures despite fast field rotations.
A recent study on Chang'e-6 farside basalts found a significant reinforcement of the lunar dynamo approximately 2.8 billion years ago, indicating a hot and geologically active Moon during its mid-early history.
Researchers found evidence of magnetic fields in the core of a merging galaxy, which could regulate star formation and explain why some galaxies form stars more efficiently than others. The discovery provides a new understanding of galaxy mergers and their role in shaping the universe.
A team of researchers from Institute of Science Tokyo discovered a large in-plane anomalous Hall effect in EuCd₂Sb₂ films under in-plane magnetic fields. This finding opens up new strategies for controlling electronic transport and advances applications in magnetic sensors.
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.
Scientists have developed swarms of tiny magnetic robots that can lift and transport heavy objects, thanks to their unique assembly configuration and rotating magnetic field. The microrobots can even guide small organisms through complex motions.
The Event Horizon Telescope has taken detailed measurements of a galaxy's supermassive black hole and its powerful jets. The research reveals strong magnetic fields close to the event horizon and estimates their strength, consistent with previous estimates.
The development of magnetometers by Southwest Research Institute will measure the interplanetary magnetic field carried by the solar wind and provide critical data for NOAA's Space Weather Prediction Center. The instruments will help mitigate space weather impacts on electrical power grids, satellite communication, and navigation systems.
Chungnam National University researchers developed a magnetoplasmonic strain sensor that changes color in response to mechanical stress, offering a reliable and user-friendly solution for real-time health and activity tracking. The device is powered-free, versatile, and ideal for use in remote or extreme environments.
A new study published in The Astrophysical Journal Letters finds that ultra-high energy cosmic rays are accelerated by magnetic turbulence, rather than shocks. This breakthrough discovery offers insights into the origin of these powerful particles and their role in astrophysics.
The researchers created a 'metasheet' with an elastic polymer and embedded magnetic microparticles that can move like a wave when controlled by a magnetic field. This technology has potential for use in confined spaces, allowing objects to be lifted and moved without physical contact.
A new study from Tel Aviv University uses smartphone data to predict wildfire risk, overcoming individual device errors by averaging large amounts of public data. The method provides valuable insights into wildfire evaluation, especially in remote areas lacking traditional weather stations.
A team of scientists analyzed smartphone videos and amateur photos of a rare blue-dominant aurora in Japan to estimate its area and confirm findings with spectrophotometers. The research revealed longitudinal structures aligned with magnetic field lines, spanning about 1200 km in longitude.
Researchers at the University of Würzburg have experimentally implemented a quantum resistance standard that can operate without an externally applied magnetic field. This milestone enables precise measurements essential in industrial production and electronics, reaching thresholds comparable to early conventional standards.
The team's achievement marks a significant advance in robotics, allowing for maneuverable robots that can perform up-close imaging and measure forces at the scale of some body's smallest structures. The new diffractive robots are tiny, measuring 5 microns to 2 microns, and can be controlled by magnetic fields to move independently.
Researchers have discovered unusual, Earth-size magnetically driven vortices generating dense, hydrocarbon haze at Jupiter's poles. The dark ovals hint at strong interactions between the planet's magnetic field and atmosphere.
Researchers argue that the planets' unique magnetic fields can be explained by immiscible layers of water and hydrocarbons. Computer simulations show that a combination of water, methane, and ammonia separates into two distinct layers under extreme temperatures and pressures.
Physicists at MIT have made a breakthrough discovery that sheds light on the conditions that lead to exotic electronic states in graphene and other two-dimensional systems. Through calculations, they show that pentalayer graphene can exhibit fractional charge without a magnetic field.
Scientists have found that black holes inherit their magnetic fields from their parent stars, specifically the surrounding disk of swirling matter during collapse. This discovery resolves a longstanding mystery and opens doors for further studies of jets.
Researchers developed a novel catalyst with integrated magnetic field, achieving 90% H2O2 production efficiency and significantly enhancing the reaction's performance. The new approach requires minimal amounts of magnetic materials, making it safer and more practical for large-scale applications.
Scientists analyzed particles from asteroid Ryugu, revealing a weak magnetic field that likely pulled matter inward to form the outer planetary bodies. The team estimates that such a low-grade field intensity would have been enough to play a role in giant planet formation, from Jupiter to Neptune.
Researchers developed a technique to generate synthetic electromagnetic fields on superconducting quantum processors, enabling the exploration of material properties. The technique allows scientists to probe complex phenomena in materials, shedding light on key features such as conductivity and magnetization.
Researchers developed grain-sized soft robots that can transport up to four different drugs, release them in reprogrammable orders and doses, and navigate complex environments inside the human body. The robots' precision functions have the potential to significantly improve therapeutic outcomes while minimizing side effects.
Researchers at the University of Minnesota developed a new technique to visualize 2D radio images in 3D, revealing distinct shapes and structures of galaxies and massive black holes. The technique uses Faraday rotation to estimate distances and analyze material interactions, potentially altering previous models.
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.
Scientists have developed novel magnetic nanodiscs that can remotely stimulate parts of the brain, potentially treating neurological and psychiatric conditions. The devices were injected into specific brain regions in mice and triggered by a weak electromagnet, demonstrating precise control over neural activity.
The researchers combined an NV diamond with a laser diode in an optical resonator, successfully demonstrating the sensor system with two active media. This breakthrough enables high-contrast sensors to measure biomagnetic signals from the brain or heart with improved sensitivity and dynamic range.