Articles tagged with Electromagnetism
The ESOT FiSensor combines electrical signals with light transmission, allowing simultaneous monitoring of vibration, pressure, temperature, and strain through a single fiber. Tests show exceptional performance with over 90% sensitivity retention after traveling 50 meters.
A digital 'super-brain' with physics-based knowledge significantly speeds up the design and development of optical components, such as those for quantum computers and camera lenses. By integrating physical principles into machine learning algorithms, researchers reduce simulation time from months to days.
Scientists create a moiré metasurface to map right- and left-handed regions in materials, visualizing chirality as two-dimensional images. The new approach resolves chirality distributions with a resolution of approximately 100 μm.
A team of researchers developed a method for creating realistic virtual tomato farms that automatically generate data for training agricultural AI systems. The approach uses advanced reconstruction methods and Unreal Engine 5 software to reproduce lighting, textures, and geometry, resulting in highly accurate object detection models.
Researchers have developed a single device that can harvest light and emit bright visible light, achieving high efficiency in both power conversion and electroluminescence. The device uses a novel organic semiconductor material with controlled energy flow, enabling it to operate at standard lithium-ion battery voltages.
Researchers at Beihang University developed a hierarchical modular film system that couples biomimetic temperature-humidity sensing with dual-mode heating and ultrahigh EMI shielding. The system delivers exceptional metrics, achieving stable signal transmission and collaborative heating under diverse conditions.
Researchers at DTU have developed a new magnetic material that features a stable internal magnetic structure and almost no external magnetic field, above room temperature. This could enable faster components and lower energy consumption in spintronics.
Researchers at MIT have developed a way to measure multiple physical quantities with solid-state quantum sensors, exploiting entanglement to overcome signal mixing. This approach enables deeper understanding of the behavior of atoms and electrons in materials and living systems, such as cancer cells.
Researchers developed inorganic high-performance fiber-based materials for electromagnetic interference shielding, offering valuable insights into the development of next-generation lightweight and durable EMI shielding materials. The review highlights the importance of interdisciplinary research to drive innovation in this field.
Researchers used airborne electromagnetic surveys to characterize a deep freshwater reservoir beneath Farmington Bay and Antelope Island. The study revealed that freshwater saturates the sediments beneath the lake's hypersaline surface to depths of 3-4 kilometers, extending towards the interior of the lake.
A team from Tokyo Metropolitan University successfully detects laser-assisted electron scattering using circularly polarized light, shedding light on atomic scale helicity and its impact on electron-matter interaction. The signal agrees with theory, but further work is needed to improve detection efficiency and accuracy.
Researchers observed a sequence of exotic magnetic phases in an ultrathin material, realizing a theoretical model of two-dimensional magnetism. The discovery may lead to new technologies by stabilizing magnetic vortices at nanoscale.
Researchers at Tokyo Metropolitan University have created a rotating tabletop device to test dynamic wireless power transfer for electric vehicles. They successfully replicated conditions of a car moving at 40 kilometers per hour, promising accelerated research into next-gen charging.
Researchers develop a multifunctional hydrogel system with broadband electromagnetic interference shielding and infrared stealth performance, exceeding that of commercial-grade materials under various harsh conditions. The gel's mechanical robustness and environmental stability are enhanced by a synergistic MXene treatment strategy.
Physicists have developed a new terahertz microscope that allows them to observe quantum vibrations in superconducting materials for the first time. The microscope enables researchers to study properties that could lead to room-temperature superconductors and identify materials that emit and receive terahertz radiation.
A new window technology shields buildings from EMP threats while maintaining transparency. The innovative design offers broadband EMP protection with high optical transparency, suitable for practical architectural applications.
The Hong Kong Polytechnic University has developed soft magnetorheological textiles with programmable control and flexibility. These innovative materials overcome traditional drawbacks of heavy magnetic powders and health risks, enabling precise intelligent modulation for various applications.
Researchers present novel theoretical framework explaining non-monotonic temperature dependence and sign reversal of chirality-related AHE in highly conductive metals. The study reveals clear picture of unusual transport phenomena, forming foundation for rational design of next-generation spintronic devices and magnetic quantum materials.
A research team at Osaka Metropolitan University successfully realized a new type of Kondo necklace with increased localized spin size, demonstrating a clear phase transition to magnetic order. The study shows that the Kondo interaction promotes magnetism when the localized spin is larger than 1/2.
The University of Birmingham has launched a new facility for separating and recycling rare earth magnets, reducing the UK's reliance on imports. The facility uses an innovative hydrogen-based process that can recover over 400kg of rare earth alloy per batch.
The American Physical Society's Global Physics Summit will convene over 14,000 physicists worldwide for groundbreaking research presentations. The event will feature both in-person and online experiences, including scientific sessions, exhibits, and networking events.
Researchers have discovered a new method for generating highly stable and precise microwave signals through self-induced superradiant masing. This phenomenon produces long-lived bursts of microwave emission without external driving, paving the way for technological advances in fields like medicine, navigation, and quantum communication.
Researchers propose a theoretical model to analyze adhesion and escape phenomena during low-velocity impacts between charged dust particles and spacecraft. The study focuses on the interaction between charged particles and spacecraft within a plasma sheath, considering significant size differences.
Theoretical physicists at MIT propose that under certain conditions, magnetic material’s electrons could form quasiparticles called “anyons” that can flow together without friction. If confirmed, it would introduce a new form of superconductivity persisting in the presence of magnetism.
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.
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.
Scientists at PSI's cleanroom used the laser to create two-dimensional continuous changes in magnetic properties in materials for various applications. The technique enables local, gradual approach to creating gradients of magnetic properties that can take on arbitrary shapes.
A new model developed by Osaka Metropolitan University Assistant Professor Takuya Fujinaga enables robots to accurately pick tomatoes, with an 81% success rate. The system evaluates the ease of harvesting for each tomato, taking into account factors such as fruit clustering and stem geometry.
A novel laser-induced graphene-based strategy has been demonstrated for direct 'drawing' of highly precise, patterned electromagnetic metasurfaces. The metasurface exhibits excellent switching behavior across various frequency bands, enabling rapid switching between wave transmission and shielding.
Researchers at CUNY ASRC introduce twistelastics, a technique using tiny rotations to manipulate mechanical waves, allowing unprecedented adaptability in sound and vibration control. The breakthrough enables flexible wave behavior for applications in medical imaging, consumer electronics, and microfluidics.
The use of atomic magnetometers in electromagnetic induction imaging (EMI) has greatly improved its low-frequency sensitivity. This technology enables the exploration of challenging applications such as through-barrier imaging and organ imaging, expanding EMI's potential in medicine and other fields.
Researchers developed a multifunctional foam combining electromagnetic interference shielding, thermal management, and infrared stealth capabilities. The bio-based foam successfully blocks over 99.9989% of electromagnetic waves while regulating surface temperature through phase-change mechanisms.
Researchers developed a wide-band and high-sensitivity magnetic Barkhausen noise measurement system to understand energy loss mechanisms in soft magnetic materials. The study revealed that damping caused by eddy currents generated during DW motion is the main cause of excess eddy current losses.
Researchers at Princeton University have developed a machine-learning system that can shape ultrahigh frequency transmissions to avoid obstacles, allowing for real-time adaptation in dynamic environments. This breakthrough could enable the widespread adoption of sub-terahertz frequencies for high-speed data transmission in applications...
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.
Researchers have developed a new way to precisely tune magnetism using ultra-thin CrPS₄ material. This breakthrough could solve long-standing scientific problems and pave the way for smarter magnetic technologies.
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 identified cerium zirconium oxide as a clear, 3D realization of a rare quantum spin liquid, featuring emergent photons and fractionalized spin excitations. This discovery validates decades of theoretical predictions and has significant implications for next-generation technologies.
Researchers have developed glass-epoxy-based waveguides with low polarization-dependent loss and differential group delay, suitable for stable signal transmission in co-packaged optics. The waveguides demonstrated high power stability and reliability under six hours of continuous use.
The University of Halle has been awarded funding for its Cluster of Excellence, the Center for Chiral Electronics, which will focus on developing new concepts for energy-efficient electronics. The cluster aims to create highly qualified physicists who will make important technological contributions to semiconductor technology.
Researchers have discovered how to tune electromagnetic pulse intensity by adjusting laser energy and gas jet pressure, enabling controlled EMP applications. The study identified four primary sources of EMPs and found a correlation between EMP intensity and electron acceleration.
Scientists have developed a novel CT-ICT system that utilizes a pyrazinacene derivative to facilitate reversible color-changing properties. The system, which co-crystallizes with naphthalene, demonstrates a dramatic color shift from greenish-blue to red-violet.
Researchers at TU Wien have discovered a material called murunskite that combines properties of cuprates and pnictides in unexpected ways. Despite the random arrangement of its atoms, murunskite exhibits surprisingly ordered magnetic properties at high temperatures.
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.
Researchers at MIT have captured the first images of individual atoms freely interacting in space, visualizing never-before-seen quantum phenomena. The technique allows scientists to directly observe correlations among 'bosons' and fermions, shedding light on their behavior and interactions.
Amsterdam physicists found that asperities on two touching surfaces interact similarly to pedestrians at a crossing, leading to an increase in surface sliding and decrease in static friction. This phenomenon has applications in semiconductor manufacturing and earthquake prediction.
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 Osaka Metropolitan University developed an autonomous driving algorithm for robots to navigate raised cultivation beds, utilizing lidar point cloud data. The system enables precise movement and accuracy in both virtual and actual environments, promising to expand tasks beyond harvesting to monitoring and pruning.
Researchers have developed a fabric-based wireless sensing network composed of a single fiber, enabling self-powered wireless sensing and energy generation. The system can monitor physiological signals, sweat levels, and perform gesture recognition, providing a potential solution for wearable technology.
Physicists have created a new code, QUADCOIL, to design stellarators, which could lead to simpler and more affordable fusion facilities. The code helps balance physics and engineering by quickly ruling out unstable plasma shapes and predicting magnet complexities.
The Global Physics Summit will feature nearly 1,200 sessions and 14,000 presentations on various topics, including astrophysics, climate science, medicine, and quantum information. Registered journalists and public information officers will receive daily emails with meeting information.
Researchers developed a highly efficient and powerful SOT-MRAM solution using Orbital Hall Effect, eliminating rare materials. This innovation offers a transformative step forward for technologies from smartphones to supercomputers.
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 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 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.
Researchers at Princeton Plasma Physics Laboratory have developed a technique to prevent unwanted waves that siphon off needed energy, increasing the efficiency of fusion reactions. Positioning a metal grate at a slight angle enhances heat put into the plasma and reduces slow modes, leading to more powerful and efficient fusion heating.
Researchers at City University of Hong Kong have observed a new vortex electric field with the potential to enhance electronic, magnetic and optical devices. The discovery enables the creation of quasicrystals with versatile applications in memory stability, computing speed, spintronics and sensing devices.
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.
Scientists from the Institute of Nuclear Physics have discovered that near-earth microquasars are a significant source of gamma photons with extremely high energies. This finding challenges the previous understanding of ultra-high energy cosmic radiation and opens up new avenues for research in the field.
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.