Articles tagged with Electromagnetic Properties
Researchers developed a theoretical framework explaining unusual conduction behavior in magnetic materials. Quantum fluctuations affect electron transport in chiral magnets, leading to logarithmic temperature dependence at low temperatures.
Physicists at the University of California San Diego discovered that substrates are not inert when subjected to electrical stimulus, instead coupling with thin film. This finding has implications for building brain-inspired computer chips needed for energy-efficient computing.
Researchers created a single-spin quantum microscope to observe magnetic states in atomically thin devices, introducing a conceptual shift in how magnetic transistors can be engineered. The device achieved an electrical on/off ratio of a million percent and a magnetic on/off ratio of 3000 percent.
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.
Scientists at CUNY ASRC successfully amplify electromagnetic waves by simulating ultrafast rotation, recreating Penrose-Zel'dovich process. This breakthrough enables experimental studies of extreme rotational dynamics and opens new avenues for wireless communications and optics applications.
Researchers at RIKEN CEMS created a thin conducting layer at oxide interface and observed reentrant superconductivity, where superconductivity disappears then re-emerges under increased magnetic field. This phenomenon provides new platform for investigating unconventional forms of superconductivity and quantum mechanisms.
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 from ISTA have explained the unusual superconducting behavior of UTe2, a material that exhibits zero electrical resistance under specific magnetic field conditions. By studying magnetic fluctuations, they revealed a new mechanism behind reentrant superconductivity, shedding light on this enigmatic phenomenon.
Physicists at the University of Utah have developed a new, streamlined system for generating orbital angular momentum in electrons, allowing for cheaper and more abundant materials. The innovation uses natural symmetry and vibrations of atoms to control electron momentum.
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.
Physicists at Martin Luther University Halle-Wittenberg have discovered a precursor for electronically chiral materials, which could pave the way for uniform chirality in thin layers. These materials could provide a solution to modern microelectronics' size and efficiency limitations.
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 at University of Illinois have developed polymers that exhibit enhanced conductivity due to controlled chirality and chemical doping. The study found that structural chirality boosts the chemical reaction controlling doping in polymers, leading to higher conductivity.
Researchers at Max Planck Institute discovered quantum coherence and interference patterns in CsV₃Sb₅, defying single-particle physics expectations. The crystal's geometry influences the collective quantum behavior of electrons, potentially leading to new materials with tunable resonance.
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 developed a high-entropy oxide tunnel barrier for MTJs, demonstrating stronger perpendicular magnetization and lower electrical resistance. This breakthrough may lead to smaller, faster, and more efficient hard disk drives and magnetoresistive random access memory devices.
Southwest Research Institute (SwRI) has introduced a new indoor antenna measurement range that enables comprehensive 3D radiation pattern data collection for all antenna types. The spherical near-field range offers improved flexibility and accuracy, overcoming size, angle, regulatory, and weather limitations.
A team of researchers developed a reliable method to create donut-like, topologically rich spin textures called skyrmion bags in thin ferromagnetic films. The success rate of generating such textures using single laser pulses is significantly higher than magnetic-field-driven approaches.
Researchers at NIMS developed a new theory explaining the oscillation of tunnel magnetoresistance (TMR) with changes in insulating barrier thickness. The theory resolves a long-standing mystery, providing insights into achieving even higher TMR ratios for enhanced magnetic memory and sensor applications.
Researchers developed a machine learning framework that can predict how materials respond to electric fields up to a million atoms, accelerating simulations beyond quantum mechanical methods. This allows for accurate, large-scale simulations of material responses to various external stimuli.
Researchers have developed a new type of exotic quantum material that can maintain its quantum properties when exposed to external disturbances, paving the way for robust quantum computers. The breakthrough uses magnetism to create stability, making it an important step towards realising practical topological quantum computing.
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.
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 Brookhaven National Laboratory have developed a new type of qubit that can be easily manufactured without sacrificing performance. The constriction junction architecture offers a simpler alternative to traditional SIS junctions, using a thin superconducting wire instead of an insulating layer.
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 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 create high-throughput automation to calculate surface properties of crystalline materials using established laws of physics. This accelerates the search for relevant materials for applications in energy conversion, production, and storage.
Researchers aim to address LVAD shortcomings, reducing blood damage and clotting risk through innovative designs and coatings. A novel flexible stented blood inlet and slippery hydrophilic coatings will be used to prevent flow stasis and clot formation.
Researchers from Songshan Lake Materials Laboratory have developed amorphous soft magnetic composites with improved properties for use in next-generation electronics. The critical state approach enables the creation of strong yet efficient magnetic materials, paving the way for more efficient power transmission and storage.
Scientists at National University of Singapore developed a hybrid generative machine learning model to explore structural disorders in complex materials. The model unveiled pathways to material disorder, shedding light on factors affecting piezoelectric response. It also found evidence that domain boundaries maximize entropy.
The researchers created nanoribbons made of phosphorus and tiny amounts of arsenic, which were able to conduct electricity at high temperatures. The arsenic-phosphorus ribbons have also turned out to be magnetic, opening up possibilities for quantum computers.
Scientists at CUNY ASRC have shown that photons can collide and interact, allowing for new technologies to be developed. This breakthrough enables the manipulation of wave propagation, benefiting wireless communications, imaging, computing, and energy harvesting technologies.
Scientists create high-performance bulk magnesium diboride superconducting magnets with low-cost technique, exhibiting good critical current density and trapped magnetic field. The work paves the way for commercialization of MgB2 superconducting magnets.
Researchers found that two outermost electrons from each nickel ion behaved differently, cancelling each other out in a phenomenon called a spin singlet. This led to the discovery of two families of propagating waves at dramatically different energies, contradicting expectations of local excitations.
A team of researchers from Nagoya Institute of Technology introduced a new system using metasurfaces to create waveform-based selectivity in antennas. They demonstrated that their antenna design could selectively receive and transmit signals with different waveforms at the same frequency.
A research team has detected circular polarization in two active repeating fast radio bursts and one non-repeater, increasing the number of FRBs with circular polarization from one to three. The detection of circular polarization sheds new light on the emission mechanism of FRBs.
Scientists at Johannes Gutenberg University Mainz have developed a new class of materials for transporting spin waves over long distances in antiferromagnets. This breakthrough could significantly increase computing speed and reduce waste heat in microelectronic devices.
Scientists at Duke University have engineered materials capable of producing tunable plasmonic properties while withstand extremely high temperatures. The new high-entropy carbides can achieve improved communications and thermal regulation in aerospace technologies, including satellites and hypersonic aircraft.
Researchers have developed new stable quantum batteries that can reliably store energy into electromagnetic fields. The micromaser system allows for efficient charging with protection against overcharging and preserves the stored energy's purity.
Rice University researchers have developed a customizing method for producing doped graphene with tailored structures and electronic states. The doping process adds elements to the 2D carbon matrix, making it suitable for use in nanodevices such as fuel cells and batteries.
Osaka University researchers have successfully synthesized a stable, crystalline nanographene with predicted magnetic properties, opening the door to revolutionary advances in electronics and magnets. The breakthrough uses a simplified model system called triangulene, which has long been elusive due to polymerization issues.
A team of researchers from Osaka University and international partners used intense mid-infrared laser pulses to alter magnetic anisotropy in a weak ferromagnet. They found that electronic excitation, rather than lattice heating, was responsible for the ultrafast change, enabling faster spintronics devices. This breakthrough has signif...
Researchers found that spin-orbit coupling induces asymmetric interactions between electrons in chromium triiodide, affecting its topological excitations. This discovery could exist in other 2D van der Waals magnets and has implications for spintronics.
The researchers created a new vascular metamaterial that can be reconfigured to modify its thermal and electromagnetic properties. The microvasculature is made using 3D printing technologies, allowing engineers to create networks of tiny tubes in various shapes and sizes.
Researchers at Cornell University propose a new way to modulate metamaterials' absorptive and refractive qualities in real-time, increasing their effectiveness. This breakthrough could lead to the development of new metamaterials with improved wave absorption and scattering properties.
Researchers have developed methods to calculate the QED correction of helium to the 7th power series, which are the most accurate results to date. Precision measurements of helium atoms also have a broad impact on various important studies, including determining the radius of helium nuclei and calculating polarizability.
Researchers discuss theoretical frameworks for electromagnetic chirality in chiral materials and fields, enabling understanding of complex chiroptical phenomena. Chirality is a qualitative property but measurable quantities can be described using chiroptical parameters.