Articles tagged with Electromagnetism
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.
Researchers developed a new 2D quantum sensing chip using hexagonal boron nitride that can simultaneously detect temperature anomalies and magnetic fields in any direction. The chip is significantly thinner than current quantum technology for magnetometry, enabling cheaper and more versatile sensors.
A new study proposes a predictive home energy management system with a customizable bidirectional real-time pricing mechanism to promote residential demand response and reduce peak loads. The system enhances user comfort and accuracy of forecasting, while also providing cost savings.
For the first time, researchers have measured quadrupolar nuclei using zero-field nuclear magnetic resonance (NMR) spectroscopy. This breakthrough enables precise analysis of molecular structures and spin interactions, with potential applications in medicine and materials science.
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 developed a new method to identify altermagnets using X-ray magnetic circular dichroism (XMCD) and theoretically predicted its fingerprint. The approach was successfully applied to manganese telluride (α-MnTe), revealing the material's hidden fingerprint of altermagnetism, which could accelerate spintronics applications.
Researchers from the University of Tokyo have developed a novel approach to manage waste heat in microcircuits by adding a tiny coating of silicon dioxide. This increases the rate of heat dissipation, allowing for faster cooling and potentially leading to smaller and cheaper electronic devices.
Researchers visualize chiral interface state at atomic scale for the first time, allowing on-demand creation of conducting channels. The technique has promise for building tunable networks of electron channels and advancing quantum computing.
Researchers at Johannes Gutenberg Universitaet Mainz have demonstrated altermagnetic electronic band splitting associated with spin polarization in CrSb, a good conductor at room temperature. The magnitude of this splitting is extraordinary and promises electronic applications for altemagnets.
The Princeton Plasma Physics Laboratory has opened a new Quantum Diamond Lab to study plasma processes for creating diamond material with unique properties. Scientists aim to harness this material for quantum computing, secure communication, and precise measurements, enabling breakthroughs in fields like medicine and energy.
The team developed helical, magnetically active conductive polymers inspired by cyclosporine A, exhibiting unprecedented electron spin activity and anisotropy. The synthesized polymer demonstrated circularly polarized electron spin resonance in the microwave region.
Scientists have successfully created and identified merons in synthetic antiferromagnets, which are rare collective topological structures. The achievement was made possible through extensive simulations and experiments by researchers at Johannes Gutenberg University Mainz.
Researchers successfully demonstrate a third branch of magnetism in manganese telluride, combining ferromagnetic and antiferromagnetic properties. This discovery offers promising opportunities for future applications in information technology and nanoelectronics.
Altermagnetism has been experimentally demonstrated by researchers at Mainz University, showing promise for increasing storage capacity in spintronics. The discovery was made using a momentum microscope to visualize the velocity distribution of electrons in altemagnetic RuO2.
Researchers have discovered a new state of matter characterized by chiral currents, generated by cooperative electron movement. This phenomenon has implications for the development of new electronic devices and technologies, including optoelectronics and quantum technologies.
Researchers have successfully induced and controlled polarization states within metals using flexoelectric fields. This method has the potential to mitigate power losses attributed to semiconductors and extend battery lifespan in electronic devices.
Scientists have discovered magnetic monopoles in hematite, a type of iron oxide closely related to rust. The study uses diamond quantum sensing to observe swirling textures and faint magnetic signals, revealing the emergence of these isolated magnetic charges.
Researchers at Gwangju Institute of Science and Technology developed metal-enhanced fluorescence probes for rapid and accurate detection of influenza viruses. The probes showed high sensitivity and specificity, detecting the virus even at low concentrations, with a remarkable accuracy of over 99%.
By increasing skyrmion diffusion, researchers have made a significant step towards developing spin-based, unconventional computing. The use of synthetic antiferromagnets has reduced energy consumption and increased speed, making it possible to create more efficient computers.
University of Missouri researchers developed a method using thermal induction heating to rapidly break down PFAS on the surface of granular activated carbon and anion exchange resins. The process achieved 98% degradation in just 20 seconds, offering a highly energy-efficient alternative to conventional methods.
Researchers demonstrated a 300-fold increase in electron-phonon coupling strength by reducing dimensionality, paving the way for novel engineering opportunities. The enhancement was attributed to non-local nature of coupling in synthetic SRO/STO superlattices.
Scientists have developed a novel photonics system that can measure low-energy dynamics of complex physical phenomena with high time resolution. This breakthrough approach combines terahertz spectroscopy and real-time monitoring to facilitate discoveries in materials science.
An international team of scientists has successfully measured the electron spin in matter for the first time using kagome materials. The results could revolutionize the study of quantum materials, with potential applications in renewable energy, biomedicine, electronics, and quantum computing.
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 from The University of Tokyo have created a machine that can recharge N95 respirators and surgical masks to 97% efficiency. By applying a uniform voltage distribution, the device restores the mask's electrostatic charge, increasing its effectiveness.
The Save Our Seas Foundation has awarded a record 75 grants to support shark and ray conservation projects worldwide. The foundation's 20th anniversary year highlights growing commitment to protecting these vital ocean species.
Researchers at Osaka Metropolitan University successfully measured spin transport in a molecular film, achieving a spin diffusion length of 62 nanometers. This breakthrough paves the way for the development of smaller, faster, and energy-efficient electronics.
Researchers at Johannes Gutenberg University Mainz developed a prototype that combines Brownian and reservoir computing to perform Boolean logic operations. This innovation uses metallic thin films exhibiting magnetic skyrmions to achieve energy savings through automatic system reset.
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.
Researchers developed a new approach to analyze coercivity in soft magnetic materials using machine learning and data science. The method condenses relevant information from microscopic images into a two-dimensional feature space, visualizing the energy landscape of magnetization reversal. This study showcases how materials informatics...
Researchers studied the strong nuclear force using nickel-64 nuclei, discovering that they change shapes under high-energy conditions. The team used advanced detectors to analyze gamma rays and particle direction, revealing two possible shapes for the nucleus: oblate and prolate.
The DiaQNOS project aims to develop quantum sensors for improved brain tumor surgery. Magnetic field sensors will refine neuronavigation, enabling more precise incision paths. Researchers from Mainz University and partners will create a device suitable for use in surgery.
An AI-based model has been developed to assist radiologists in detecting and identifying leadless implanted electronic devices (LLIEDs) on chest X-ray images. The model achieved high detection and classification accuracy, even with suboptimal image quality, and showed promise for real-world deployment.
The Braess paradox causes power grids to become more unstable with new transmission lines, contrary to expectations. A prediction tool has been developed to support grid operators in making informed decisions.
Researchers at Shibaura Institute of Technology developed an optimized recipe to retain superconductivity in bulk MgB2 by enhancing its critical current density. By combining sintering conditions with controlled addition of nanometer-sized amorphous boron and dysprosium oxide, the team achieved a superior critical current density.
Scientists from Göttingen and Lausanne successfully created electron-photon pairs in an electron microscope for the first time. This breakthrough enables researchers to harness free electrons and photons in a controlled manner.
Researchers at Gwangju Institute of Science and Technology improve triboelectric nanogenerators by using mesoporous carbon spheres to enhance charge transport and surface charge densities. The device achieves a 1300-fold higher output current, enabling potential sustainable energy harvesting.
Scientists at UCLA developed a stretchable, inexpensive, and waterproof HMI that generates power from the wearer's movements. The device was tested in various real-world situations, including water spray, and worked well when wet.
The study observes electric gate-controlled exchange-bias effect in van der Waals heterostructures, enabling scalable energy-efficient spin-orbit logic. The team successfully tunes the blocking temperature of the EB effect via an electric gate, allowing for the EB field to be turned 'ON' and 'OFF'.
Researchers from Tokyo University of Science create a metal–organic framework-based magnesium ion conductor showing superionic conductivity at room temperature, overcoming the limitations of magnesium ion-based energy devices. The novel Mg2+ electrolyte exhibits a high conductivity of 10−3 S cm−1, making it suitable for battery applica...
A multidisciplinary study uses magnetometers to investigate the magnetic fields of metropolitan areas, finding that each city has a distinct magnetic signature. This unique characteristic can be exploited to analyze anomalies in city operation and long-term trends of urban development.
Researchers at PPPL developed smaller, stronger high-temperature superconducting magnets for spherical tokamaks, enabling more efficient fusion power plants. The new magnets reduce construction costs and increase performance by shrinking the size of tokamaks.
Researchers have discovered that resistivity can cause instabilities in plasma edge, making it more stable when included in models. The study aims to design systems for future fusion facilities with improved plasma stability.
Researchers at Johannes Gutenberg University Mainz are investigating the dynamics of spin structures, including the pinning effects of skyrmions on thin films. The study reveals that skyrmions get stuck in
Professor Ben Mazin and his team developed precision optical sensors for telescopes, doubling the spectral resolving power. This breakthrough enables scientists to analyze exoplanet composition using spectroscopy, with implications for detecting different molecules across the universe.
Scientists at Max Born Institute create novel method to probe magnetic thin film systems, identifying heat injection from platinum layer as cause of magnetization changes. The approach allows femtosecond temporal and nanometer spatial resolution, paving way for studying ultrafast magnetism and device-relevant geometries.
Researchers at Osaka Metropolitan University observed unprecedented collective resonance motion in chiral helimagnets, allowing a significant increase in current frequency bands. This phenomenon enables a boost in frequencies beyond 100 GHz with relatively weak magnetic fields, making these materials promising for 6G technology.
Scientists at Chung-Ang University have pioneered a novel method for controlling microdroplet motion on solid surfaces using near-infrared light. This approach allows for more precise control than traditional thermal techniques and opens up new possibilities for applications in microfluidics, drug delivery, and self-cleaning surfaces.
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 at the University at Buffalo have developed a new magnetic material that can help monitor the amount of charge left in lithium-ion batteries. By tracking changes in the material's magnetism, scientists can estimate the battery's state of charge.
A new study uses finite element simulation to optimize energy harvesting from vibrating micromagnets for wireless sensor networks in the Internet of Things. The research aims to provide a sustainable micro-energy source for the ubiquitous sensors, reducing the need for battery replacements or recharging.
Researchers at Waseda University demonstrate a novel zirconocene-catalyzed epoxide ring-opening reaction under visible light, expanding the reaction scope and regioselectivity. The approach enables accessible synthesis of elusive alcohol products with improved efficiency and environmental sustainability.
Physicists from Cracow have developed a new measurement technique to track phenomena lasting attoseconds, using X-ray chronoscopy. This approach potentially makes it possible to infer events in the world of attophysics even at current XFEL technology.
Researchers create a quantum anomalous Hall insulator by stacking a ferromagnetic material between two 2D topological insulators, enabling room-temperature lossless transport. The new architecture could lead to ultra-low energy future electronics or topological photovoltaics.
Scientists have developed a new spectroscopy technique to directly measure the binding energy of biexcitons in WS2, providing insights into their dynamics and characteristic energy scales. The findings inform the development of novel devices such as compact lasers and chemical sensors.
Researchers used a COLTRIMS reaction microscope to determine the duration of an electron's release after photon absorption. The study found that the emission time depends on the direction and velocity of the electron, revealing a complex interplay between quantum physics and molecular dynamics.
Scientists have successfully manipulated liquid metals in a non-contact manner by applying electromagnetic induction, allowing for the creation of unique shapes and structures. The discovery opens up new possibilities for advanced manufacturing and dynamic electronic structures.