Articles tagged with Electron Spin
Researchers confirmed the 'superexchange' model explaining MnO's long-range magnetic order by studying short-range magnetic interactions. The study used a new mathematical approach called mPDF analysis to measure correlations in fluctuating moments, providing crucial information about magnetic interactions and their role in superconduc...
Professor Manfra is leading a team at Purdue to develop new materials for topological qubits, which are expected to be more robust against noise. The team uses molecular beam epitaxy to create special, ultrapure materials and aims to bring scientists and engineers together to solve challenging technical problems.
Researchers at Colorado State University have discovered a new way to produce electron spin currents using non-polarized light, a potential game-changer for microelectronics. This achievement could lead to more efficient and powerful devices with reduced power consumption.
A NUS-led research team has discovered a new method for transferring magnetic information between two thin layers of magnetic materials by adding a special insulator. This breakthrough enables faster data transmission rates and paves the way for the development of devices that operate in the terahertz frequency range.
A groundbreaking concept proposes using electron spins in semiconductors for information processing, enabling quantum computing and reducing energy consumption. The research team achieved long-distance spin transport in a semiconductor quantum well, controlling spin precession speed with an external gate voltage.
Researchers have synthesized graphene nanoribbons with perfect zigzagged edges, allowing for the creation of spin barriers and filters. This enables the design of ultra-energy-efficient transistors and spintronic devices with new components, including magnetic data storage devices.
Researchers at the Swiss Federal Laboratories for Materials Science and Technology (EMPA) have successfully synthesized graphene nanoribbons (GNR) with perfectly zigzagged edges using a perfected manufacturing process. This breakthrough enables the creation of spintronic devices that can efficiently switch on and off with minimal energ...
Researchers at Eindhoven University of Technology have discovered a way to flip magnetic bits faster and more energy-efficiently using a 'bending current' method. This breakthrough enables the creation of ultra-fast and low-power Magnetic Random Access Memory (MRAM) that can enable longer battery life in mobile devices.
Researchers at the National University of Singapore and Yale-NUS College have established the mechanisms for spin motion in molybdenum disulfide. This discovery resolves a research question on electron spin properties in single layers of 2D materials, paving the way for next-generation spintronics devices with lower energy consumption.
Researchers at TUM and Los Alamos National Laboratory have discovered a way to prevent the loss of stored quantum information by applying an external magnetic field. The new nanostructures use common semiconductor materials compatible with standard manufacturing processes.
Researchers propose a novel way to create robust electron waves by exploiting magnetic ions to bind together electron's direction of movement and its spin. This could drive advances in data- and energy-storage technologies.
Scientists have created two innovative techniques to visualize microwave fields, utilizing spin states induced by microwaves. The first method uses rubidium atoms in a glass cell to image the field in high resolution, while the second method employs individual electrons in diamond to produce nanoscale images.
Physicists at the University of Basel have demonstrated that electron exchange limits the stability of quantum information in qubits. By controlling this exchange process, they can extend coherence times and improve quantum computing performance.
Postdoctoral researcher Stephen Wu's discovery challenges prevailing ideas of generating spin current from insulators. He found that a paramagnetic material can sustain a strong spin current without the need for a ferromagnetic material.
EPFL scientists have shown that electrons can jump through spins much faster than previously thought, challenging the notion of intermediate steps between spin jumps. The finding has profound implications for both technology and fundamental physics and chemistry, potentially offering long-awaited solutions to spintronics limitations.
Scientists at the Max Planck Institute for Polymer Research discovered the fundamental parameters of Mott conduction, a key effect in magnetic memories and technologies. They found that traditional measurements underestimated the spin-asymmetry in electron scattering, which is responsible for magnetic sensor operation.
A Spanish-led team has created an electronic device to detect individual electrons' charge, enabling future quantum computers to read information stored in single electron spin. The device, called a 'gate sensor', can detect electrical charge in less than one nanosecond.
Researchers at Chalmers University of Technology have discovered that large area graphene can preserve electron spin over extended periods and communicate it over greater distances than previously known. This breakthrough has opened the door for developing faster and more energy-efficient memory and processors in computers.
Researchers developed a method to measure electron interactions in high-temperature copper oxide superconductors, finding that these interactions are mediated by the spin of electrons. This breakthrough allows for better understanding of the mechanism enabling superconductivity.
Scientists at Helmholtz-Zentrum Berlin have discovered a surprising high-spin ground state in the cationic cousin of dichromium, Cr2+, using x-ray magnetic circular dichroism. The team found complete localization of all ten valence electrons and maximum spin coupling, transforming an antiferromagnet into ferromagnetic.
Researchers at MIT and UT Austin create a new class of materials for quantum spin Hall effect, enabling potential electronic devices with low losses. They used Stampede and Lonestar supercomputers to model the interactions of atoms in these novel materials, two-dimensional transition metal dichalcogenides.
Researchers have discovered a new way to manipulate electrons using the spin-orbit interaction induced by curvature in graphitic nanocones. The study found that defects can enhance this effect, leading to significant changes in electronic properties.
Researchers have discovered that intercalating lead atoms on graphene creates a powerful magnetic field, revolutionizing spintronics. This property could enable the control of electron spins, leading to advancements in data storage and other applications.
Researchers at Brown University have discovered an exotic superconducting state that can arise when a superconductor is exposed to a strong magnetic field. The team found that unpaired, spin-up electrons form Andreev bound states, enabling transport of supercurrents through non-superconducting regions.
Researchers have discovered a new way to control electron spin in an insulating material, paving the way for more efficient spintronics devices. This breakthrough could lead to the development of spin-polarized materials and directly observe elusive Majorana fermions.
Scientists from the University of Mainz have created a tunable spin-charge converter based on GaAs, which can transform charge currents into spin currents with high efficiency. The device leverages the spin-Hall effect and electric field manipulation to achieve this goal.
Researchers have discovered a way to efficiently generate and control currents using the magnetic nature of electrons in semi-conducting materials, which could lead to the development of new electronic devices. This approach, known as spintronics, has the potential to outperform traditional technologies with lower power consumption.
Scientists demonstrate SmB6's insulating properties with 100% efficiency at low temperatures, marking a breakthrough in spintronics technology. The discovery paves the way for new electronic technologies that utilize electron spin, which is a key property of topological insulators.
Researchers at the University of Illinois have developed a new method to generate spin currents in nanoscale devices, enabling faster operation of magnetic memory devices. The technique uses temperature differences to transport spin-angular-momentum, overcoming limitations of traditional electrical current-based methods.
Researchers at Johannes Gutenberg University Mainz have directly observed 100 percent spin polarization of a Heusler compound, paving the way for future development of high-performance spintronic devices. The study's findings provide a cornerstone for innovative applications in hard disk reader heads and non-volatile storage elements.
The team developed a method to measure the energy needed to change magnetic anisotropy in a single Cobalt atom, revealing its maximum magnetic anisotropy energy and longest spin lifetime. This breakthrough presents a single-atom model system that can be used as a future qubit for quantum computing.
Scientists at Harvard University have created a magnetic resonance imaging (MRI) system that can produce nano-scale images, potentially allowing researchers to peer into the atomic structure of individual molecules. The system uses a miniaturized magnet and quantum computing technology to achieve high spatial resolution.
Topological insulators exhibit metallic conducting states at their surface, with electron spin playing a crucial role. Researchers have discovered that light can systematically manipulate the spin of electrons in these materials, opening up new possibilities for optospintronic devices.
Researchers at Ohio State University demonstrated that diamond wires can transmit spin, a magnetic effect that could revolutionize computing. The discovery challenges conventional methods of measuring spin dynamics and has the potential to make computers faster and more powerful.
Researchers from the University of Basel have observed spontaneous magnetic order of electron and nuclear spins in a quantum wire at temperatures of 0.1 kelvin, exceeding previous limits of microkelvin range. This new state of matter is stabilized by nuclear spin coupling and mutual interactions between electrons.
Organic solar cells have been found to improve their performance by manipulating the 'spin' of electrons, which can block energy collapse and increase current from the cell. This breakthrough could close the gap between organic and silicon solar cells, bringing large-scale deployment closer to reality.
Researchers at SISSA have developed a circuit simulating the ferromagnetic Kondo effect, a phenomenon linked to spin of metal electrons. The team predicts this effect can be observed with sufficient low temperature, which would change material properties like resistivity.
Researchers at Berkeley Lab and international team develop method to control spin orientation in magnetic nanodisks, enabling four-bit storage and potential for faster, more energy-efficient devices. Smaller disk sizes show promise for faster switching times.
Researchers have successfully given graphene magnetic properties, opening up new possibilities for the development of graphene-based spintronics. This breakthrough has the potential to transform the electronics industry by adding a new dimension to traditional electronics.
Researchers at Berkeley Lab have improved the performance of nanoscale magnetic field sensors using diamond defects, enabling clocks accurate to within a few quadrillionths of a second. The discovery may also enable rotational sensors quicker and more tolerant of extreme temperatures than current gyroscopes.
Researchers at University of Delaware confirm presence of magnetic field generated by electrons, expanding potential for harnessing spin properties. The finding is significant for developing next-generation spintronic devices and controlling magnetization.
Linköping University researchers have successfully initialized and read nuclear spins at room temperature, a crucial step towards building a quantum computer. The breakthrough uses dynamic nuclear polarisation to control the polarisation of nuclear spins, enabling the creation of a flow of free electrons with a given spin.
Researchers at North Carolina State University have successfully created a magnetic soliton – a nano-sized, spinning droplet that preserves its size and momentum. The discovery has significant implications for the development of spin-based computers.
Scientists have found a way to flip the spin polarization of electrons emitted from topological insulators by controlling the polarization of the incident light. This discovery opens up new possibilities for studying and manipulating electronic states in these materials.
Scientists develop a method to preserve quantum bits (qubits) for longer periods, using hole spins instead of electron spins. This breakthrough brings the researchers closer to creating the first viable high-speed quantum computer.
Researchers have made significant progress in studying quantum entanglement, a phenomenon where electron spins are connected. By calculating the extreme version of entanglement, they found a way to predict this characteristic and expect it to benefit fields like information technology.
Researchers at Linköping University have developed a world's first spin amplifier that can be used at room temperature, a crucial step towards spintronics. This achievement has significant implications for the future of electronics and data processing.
A research team created the first working quantum bit based on a single atom in silicon, representing a major advancement towards ultra-powerful quantum computers. The breakthrough enables the manipulation of data on an electron's spin to form a quantum bit, a fundamental unit of data for quantum computing.
Researchers at Brookhaven National Laboratory precisely measured a key parameter of electron interactions called non-adiabatic spin torque, guiding the reading and writing of digital information. The findings define the upper limit on processing speed that may underlie a spintronic revolution.
Scientists at RIKEN have observed a Higgs transition of north and south poles of electrons in a magnet, Yb2Ti2O7, transitioning from fractionalized to stable monopoles. This discovery has significant implications for spintronics, as it enables the creation of dissipationless current.
Researchers from CCNY and UC Berkeley have created rewritable computer chips using a beam of light. The technique, published in Nature Communications, uses laser light to control the spin of an atom's nucleus for encoding information.
A synthetic compound's unique spin arrangement makes it a promising material for non-magnetic information storage. Researchers employed resonant x-ray scattering to study its structure at 227K, revealing a tetrahedral network with opposing spins that cancel each other out.
Using synthetic diamond, researchers achieved a record-breaking memory time of over one second at room temperature, surpassing previous materials that required cryogenic cooling. This breakthrough opens up potential for novel solid-state quantum sensors and quantum information processing applications.
Researchers at NIST discovered a new switching mechanism for layered switching devices, which retain information even when power is turned off. The discovery could enable computers that boot up in seconds and use far less energy.
Researchers have observed a new class of electron interactions that play a major role in the orbital nature of electrons in nanostructures. By tuning a specific effect, they eliminated spin-spin interactions while preserving orbital-orbital interactions. This discovery opens doors to new quantum electronic schemes.
Researchers at Princeton University have achieved a 100-fold increase in maintaining control over the spins of billions of electrons for up to 10 seconds, a key step towards ultrafast quantum computers. This breakthrough uses a highly purified sample of silicon and minimizes magnetism's effect, allowing for longer coherence.
Researchers in Bochum developed a new concept for ultrafast semiconductor lasers by leveraging the intrinsic angular momentum of electrons called spin. This innovation enables modulation frequencies above 100 GHz, paving the way for high-speed data transmission and future Internet applications.
Researchers aim to speed up data processing applications such as internet searching, data compression, and image recognition. They plan to utilize the spin degree of freedom to store and process information in a single chip.
Researchers propose using silicon wires to encode information via electron spin, offering faster data transfer and lower energy usage. The new scheme may one day shape emerging technologies.
Researchers found a material that conducts heat 100,000 times better than expected, violating the Wiedemann-Franz law. This unusual separation of electron spin and charge has potential technological implications.