Articles tagged with Electron Spin
Physicists Sanjay Prabhakar and Roderick Melnik modelled the interplay between electric fields and electron spins in slowly moving quantum dots. They revealed that spin-orbit coupling occurs, inducing a magnetic field in the absence of an external one.
Researchers have found a new method to identify and manipulate magnetic Weyl semimetals, which could lead to the development of spintronic devices. The new approach uses the relationship between electronic spin and charge to reveal the topological characteristics of these materials.
Researchers at the University of Münster have discovered a way to suppress nonlinear damping in spin waves, allowing for efficient generation and control of spin waves in magnetic nano-devices. This breakthrough could lead to significant advancements in magnonics and spintronics.
A microscopic process of electron spin dynamics in nanoparticles has been identified, which could have wide-ranging impact on applications in medicine, quantum computation, and spintronics. The research provides insights into the principles of energy dissipation in nanomagnets, enabling engineers to build better devices.
Researchers have created a device that controls spin currents using a double layer of graphene on top of tungsten disulphide. The new technique enables the use of spin currents in transistors, which could be more energy-efficient than traditional electronics.
Computer simulations reveal that certain metal complexes can exhibit rapid spin-flip processes, making them useful for precise control of electron spins in quantum computers. The study used enormous computational power to model the behavior of rhenium complex and found a spin-flip process taking place within ten femtoseconds.
Researchers at TU Wien have successfully disentangled the interplay of several electron properties in complex materials. By influencing different characteristics separately, they have uncovered a system where order can be switched on and off individually in relation to two closely interwoven degrees of freedom.
Researchers successfully transferred and verified angular momentum basis of quantum information from laser light to an electron trapped on a quantum dot. This achievement marks a significant step towards realizing a quantum internet with secure and rapid quantum information transmission.
Researchers observe anomalous spin-orbit torque in ferromagnetic films without spin-orbit coupling, indicating a new competition between spin alignment and magnetization. This finding has implications for energy-efficient magnetic-memory technology.
Researchers at the University of Maryland have captured evidence of Klein tunneling in a superconductor-superfluid junction, allowing particles to tunnel through barriers. This phenomenon enables engineers to design more uniform components for future quantum computers and devices.
Researchers discovered a new metallic and air-stable 2D magnet in platinum diselenide (PtSe2), which can be manipulated by strategically placing defects across its surface. This breakthrough has the potential to enable ultra-thin metallic magnets for future spin-transfer torque magnetic random-access memory devices.
Researchers at Penn engineered a nanostructured diamond metalens to collect light from defects in diamonds, which harbor electron spins suitable for quantum computing. The metalens guides light into an optical fiber, streamlining data collection and enabling compact quantum devices.
Scientists have developed a method to determine the geometry of electrons in quantum dots, allowing for better control of electron spins. This could lead to the development of smaller information units in future quantum computers.
A team of Sydney researchers has achieved a world-record result in reducing errors in semiconductor electron 'spin qubits', a crucial step towards building useful quantum computers. The result, published in Nature Electronics, demonstrates error rates as low as 0.043 percent.
Researchers at University of Cologne create one-dimensional wire to witness behavior of trapped electrons. They discover two sets of standing waves, representing spin density and charge density waves, a phenomenon predicted by Tomonaga-Luttinger liquid theory.
Researchers at Waseda University have finally cracked the code on magnetism-driven negative thermal expansion (NTE), a phenomenon that can make materials less heat-sensitive. The study reveals that antiferromagnets with competing direct and indirect exchange paths are potential candidates for exhibiting NTE.
Scientists have developed a method to swap electron spins between distant quantum dots, enabling fast interaction and space for pulsed gate electrodes. This breakthrough brings us closer to future applications of quantum information and potential quantum computers.
Berkeley Lab researchers discovered a distinct pattern of electron spins within exotic cuprate superconductor Bi-2212, defying traditional theories. The finding could lead to more efficient power transmission and new materials for high-temperature superconductors.
Scientists at Tokyo Institute of Technology propose a new mechanism to generate spin currents without energy loss, exploiting the Rashba effect in quasi-1D materials. The mechanism simplifies potential spintronic devices and allows for further miniaturization.
A team demonstrated an x-ray imaging technique that can image antiphase magnetic domains in antiferromagnets, a key step towards controlling their magnetic structure. This could lead to the development of smaller, faster, and more robust electronics using spintronics.
Researchers have discovered a new class of 2D magnetic materials with promising applications in electronics. These ultra-thin layers exhibit unique properties, such as ferromagnetism, antiferromagnetism, and magnetism control, which can be manipulated electrically or optically.
Physicists develop a new theory to predict complex dynamics of spin procession in materials subjected to ultra-short laser pulses. The approach takes into account internal spin rotation forces, making it applicable to a broader set of magnetic materials.
Scientists explore the property of electrons' spin to develop faster, smaller and more energy-efficient information technology. Researchers from Linköping University propose a device concept that can efficiently transfer electron spin to light at room temperature using gallium nitrogen arsenide nanopillars.
FAU researchers find that incoming light causes electrons to rotate, influencing current flow and improving the efficiency of perovskite crystals. Heating perovskites to room temperature reveals a link between electron spin and current flow.
Researchers at NTNU's QuSpin Center have successfully controlled a spin current across 80 microns in an antiferromagnet, demonstrating significant advancements in spintronics. This breakthrough enables the potential for more efficient and faster electronic devices.
Scientists study quantum interference in a three-level quantum system and demonstrate complete control over individual electron spins. The researchers extend coherence time by a hundredfold, providing protection for fragile quantum states and opening new perspectives for sensor technology.
Researchers at EPFL demonstrated electric field control of spin in germanium telluride and multiferroic semiconductors using SARPES technique. This breakthrough enables programmable semiconductor-based spintronics with reduced energy consumption.
A new model of nanometric square material's changing magnetic state could be the basis for future ultrahigh density data storage. By controlling the interactions between individual nanomagnets, researchers aim to improve data storage in electronic and medical applications.
Researchers have discovered a way to create superconducting materials that carry 'spin' currents, improving efficiency in high-performance computing. By aligning electron spins, they can generate pure spin supercurrents, which could use significantly less energy than current silicon-based electronics.
Researchers at NIST and Johns Hopkins University discovered a zero-field switching effect that enables stable, non-volatile memory devices without magnetic fields. This breakthrough could lead to smaller, lower-power computing devices.
Researchers at the University of Groningen have successfully controlled spin waves in a magnet using an electrical current. This achievement is a significant step towards developing spintronics, which could lead to faster and more energy-efficient computers.
Researchers at Bielefeld University have created a molecule with the largest observed spin in a single molecule, equivalent to 120 electrons. The Fe10Gd10 molecule exhibits a quantum phase transition, where ten thousand states become degenerate and exhibit giant entropy values.
Researchers at Lobachevsky University have developed a new type of magnetic semiconductor layer that demonstrates spin-dependent phenomena at room temperature. The layers, fabricated using pulsed laser deposition, exhibit ferromagnetic properties and unique spin-split band structures.
Scientists from Konstanz, Princeton and Maryland successfully created a stable quantum gate for two-quantum bit systems using silicon. The research demonstrates the ability to control and read out the interaction of two quantum bits with high fidelity, paving the way for more efficient quantum computers.
Researchers at EPFL have measured quantum properties of electrons in 2D semiconductors, paving the way for smaller, more efficient chips. The breakthrough could lead to the development of spintronics-based devices that generate less heat.
Researchers have created a molecule that harnesses the power of unpaired electrons to create permanent magnetism. The 'messenger electron' plays a crucial role in controlling the spins of these electrons, resulting in added strength and durability.
Researchers discovered a new route to ultra-low-power transistors using graphene-based composite materials, achieving fine electrical control over the electron's spin. The discovery has the potential to lead to much-needed low-energy consumption electronics.
A new microscopy technique detects the spin of electrons in topological insulators, a type of quantum material that could enable next-generation electronics. This breakthrough opens a path to less costly, energy-efficient alternatives to traditional charge-based electronics.
Scientists have discovered a 'chiral spin mode' - a sea of electrons spinning in opposing circles that can transport information with little energy dissipation. This breakthrough paves the way for building novel electronic devices such as computers and processors with reduced energy loss.
University of Groningen scientists have developed a graphene-based device that can inject and detect electron spins with unprecedented efficiency, increasing the spin signal by a hundredfold. The discovery has significant implications for the development of spin transistors and spin-based logic.
Researchers created a device using graphene and boron nitride, achieving unprecedented spin transport efficiency at room temperature. The device showed significant improvements in spin polarization and detection, opening up possibilities for applications such as spin-based logic and transistors.
Researchers investigated the surface states and bulk material of topological insulators, finding that a considerable part of charge transport occurred in the bulk phase, not just at the surface. The imperfect crystal structure was found to be the reason for this, with freely moving electrons generating electric current in the bulk.
Researchers from the University of Basel create a chip that maintains and transmits electron spin information over large distances using electrical voltages. The technique overcomes spin decay, allowing for targeted spin manipulation without information loss.
Harvard researchers develop a technique to control and measure spin voltage using atomic-sized defects in diamonds, allowing for measurements in chip-scale devices. This breakthrough enables the study of spintronics and exotic physics.
Researchers discovered a new class of topological materials, consisting of wolfram and tellurium atoms, which exhibit two-dimensional insulation and edge spin currents. This breakthrough enables the creation of spintronic devices with increased data transmission capacity and reduced power consumption.
Scientists at Linköping University demonstrate a method to combine semiconductor and topological insulator materials, generating directional electric currents. This breakthrough enables efficient conversion of light energy to electricity, promising advancements in spintronics and opto-spintronics.
Researchers at University of Utah have discovered that organic-inorganic hybrid perovskites possess contradictory properties necessary to make spintronic devices work, enabling exponentially more data processing and overcoming size limitations in traditional electronics.
In a breakthrough study, Uppsala researchers demonstrate magnetic order in a two-dimensional molecular chessboard lattice consisting of organometallic molecules. The researchers created long-range magnetic order at low temperatures through the transmission of Ruderman-Kittel-Kasuya-Yosida (RKKY) interactions and Kondo screening.
Osaka University researchers have successfully detected multiple spin states of a single quantum dot in real time, opening the door to more efficient quantum computing. The team used a quantum point contact charge sensor to distinguish between singlet and triplet spin states, enabling the detection of three two-electron spin states.
Researchers at TUM and Kyoto University demonstrated the transport of spin information in a unique boundary layer between lanthanum-aluminate and strontium-titanate materials. This breakthrough enables the potential for novel functionality in spin electronic components, overcoming limitations in traditional semiconductor technology.
Scientists have confirmed novel theoretical work on Mott insulators, revealing a unique form of magnetism that arises when these materials are cooled below a critical temperature. This discovery helps to shed light on the complex interactions between electrons in these materials, which are crucial for developing new electronic devices.
Researchers at EPFL have determined a delay of one billionth of one billionth of a second in photoemission by measuring the spin of photoemitted electrons. This discovery has significant implications for understanding the properties of electrons in solids and advancing spectroscopy techniques.
Researchers at JILA used an advanced atomic clock to mimic the behavior of crystalline solids, demonstrating a novel 'off-label' use for atomic clocks. The study reveals potential applications in spintronics and quantum computing.
Scientists at EPFL and PSI have discovered a new class of multiferroic Rashba semiconductors, which can be used to develop spintronics. These materials exhibit exotic properties, including the interaction between electric and magnetic fields, and could pave the way for future quantum computers.
Researchers have made a breakthrough in transmitting spin information through superconducting materials, solving a major challenge for quantum computing. The discovery could lead to the development of more powerful computers capable of processing multiple spin states simultaneously.
Researchers at Colorado State University have demonstrated a new method for switching magnetic moments of electrons in a thin film of barium ferrite, a magnetic insulator. This breakthrough could lead to more efficient and lower power computer memory devices.
Researchers found that a magnetic current flowing through one iron sheet can create quantized spin waves in another separate sheet, without physical connection. This phenomenon has potential benefits for emerging spintronics technology.
A new compact emitter has been developed to generate light across the entire terahertz spectrum, making it suitable for analyzing organic materials in the food industry. The innovation could lead to more efficient and cost-effective inspections of food and pharmaceuticals.
Researchers at CWRU create a way to control electron spins at room temperature using a magnetic vortex. The technology offers a possible alternative strategy for building faster and more powerful quantum computers. By coupling the vortices with diamond nanoparticles, they can manipulate individual electron spins in nanoseconds.
Researchers found one-dimensional magnetic excitations in a metallic material, typical of insulating materials, with spinons contributing to the magnetism. The discovery could lead to new technologies harnessing orbital magnetism for quantum computing components.