Articles tagged with Spintronics
A Japanese team of researchers has successfully applied a new material, MgGa2O4, to a tunnel barrier in magnetic tunnel junctions (MTJs), achieving large tunnel magnetoresistance ratios and low device resistance. This breakthrough opens the possibility for new spintronic applications.
The Tokyo Institute of Technology and Nippon Telegraph and Telephone Corporation have developed a spin-resolved oscilloscope to measure charge and spin signals. The device enables the observation of spin-charge-separation processes, paving the way for future plasmonics and spintronics applications.
Researchers developed an artificial neural network using spintronic devices, demonstrating associative memory operation with learning ability, similar to human brain. The technology enables fast-processing capabilities and ultralow-power consumption, opening new horizons in AI technology.
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.
Dr. Karin Everschor-Sitte is setting up an Emmy Noether independent junior research group at Johannes Gutenberg University Mainz to investigate new magnetic structures for spintronics applications. Her work focuses on skyrmions, which could make computer storage media smaller and more efficient.
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 at Tohoku University have discovered the origin and mechanism of ferromagnetism in Mn-doped GaAs, accelerating spintronic element development. The study reveals that doped Mn atoms extract electrons from As atoms, causing ferromagnetism.
Ferromagnetic semiconductors have overcome a longstanding physical constraint by growing iron-doped semiconductors at room temperature. This breakthrough enables new opportunities for utilizing spin degrees of freedom in semiconductor devices, such as spin transistors.
Researchers have successfully controlled spin currents in topological insulators using circularly polarised laser light, opening the door for ultra-energy efficient data processing. The findings, published in Physical Review B, demonstrate the potential of these materials for spintronic applications.
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.
PhD student Afshin Houshang and his supervisor Dr. Randy Dumas successfully synchronized five oscillators, demonstrating improved oscillator quality and potential for magnonics applications.
A team from Osaka University successfully detected magnetic fluctuations using pure spin current, which can probe spin properties in a sensitive manner without net charge current. This discovery could lead to the development of more efficient and low-energy consumption electronic devices.
Researchers at Lomonosov Moscow State University have discovered a phenomenon where superconductivity promotes magnetization under certain conditions. This finding could lead to the development of spintronics devices that are more energy-efficient and stable, potentially replacing traditional computing methods.
Researchers have discovered a way to control magnetism using organic molecules, potentially leading to more efficient and cost-effective storage technologies. The study found that three molecular layers of phtalocynine can stabilize the magnetic orientation of cobalt surfaces, even in the presence of external magnetic fields or cooling.
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.
Researchers successfully employed ultrafast terahertz spectroscopy to determine the basic properties of spintronics components. The study reveals significant underestimation of spin asymmetry in electron scattering, a core factor determining giant magnetoresistance.
Scientists at the University of Chicago have successfully aligned over 99% of nuclear spins in silicon carbide, a crucial step towards developing practical spintronic devices. The breakthrough uses infrared light to cool and align spins, allowing for operation at room temperature.
Researchers at SISSA propose a new family of materials whose topological state can be directly observed, simplifying the development of spintronics and quantum computing. The discovery uses mathematical models and simulations to identify materials with 'spectacular' features that are easily detected.
Researchers at Drexel University are exploring new spintronic materials to create more energy-efficient computing memories. By understanding the physical principles behind spintronics, they hope to develop a framework to unlock new possibilities in data storage and processing.
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.
A new semiconductor compound is bringing fresh momentum to the field of spintronics, an emerging breed of computing device that may lead to smaller, faster, less power-hungry electronics. The compound's unique low-symmetry crystal structure offers much greater flexibility, enabling precise control over conductivity and magnetism.
Measurements at BESSY II have shown how spin filters form within magnetic sandwiches, enhancing understanding of processes critical for future TMR data storage devices and other spintronic components. The discovery reveals new interfacial effects that strongly influence the amplitude of tunnel magnetoresistance.
A team of researchers from the University of Michigan and Western Michigan University has developed a new radiation-resistant spintronic material that can maintain its spin-dependence after being irradiated. This breakthrough could enable electronic devices to work in harsh environments, such as space-based communications satellites.
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.
Scientists successfully reversed magnetization direction in a multiferroic device using an electric field, overcoming thermodynamic barriers. The two-step switching process relies on ferroelectric polarization and oxygen octahedral rotation.
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 have found evidence to confirm theoretical predictions for topological insulator conduction, leading to potential advancements in spintronics and quantum computing. The materials are insulators inside but conduct electricity via their surface.
Researchers have found a novel link between magnetism and electricity, enabling the generation of high-frequency alternating currents. This breakthrough could lead to new detection techniques for magnetic information and improve spintronics technology.
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 found ferromagnetic order with Tc up to 230 K in a new DMS system, overcoming the obstacle of lower Tc compared to classical systems. The system exhibits spontaneous magnetization and clear signatures of ferromagnetism, including negative magnetoresistance.
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.
Skyrmions, subatomic quasiparticles that could play a key role in future spintronic technologies, have been observed for the first time using x-rays. Researchers found two distinct skyrmion sub-lattices that rotate with respect to each other, creating a moiré-like pattern.
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.
Two researchers, Jairo Sinova and Stuart Parkin, are awarded prestigious Alexander von Humboldt Professorships for their groundbreaking work in magnetism and spintronics. The funding will support research at the Humboldt Center for Emergent Spin Phenomena over the next five years.
Researchers at Brookhaven National Laboratory have successfully synchronized magnetic spins in nanoscale devices to build tiny yet more powerful signal-generating or receiving antennas. The technology harnesses the power of an electron's spin, opening doors for novel types of antennas and electronics.
Scientists create magnetically structured materials by irradiating iron aluminum alloy with neon ions, enabling the creation of spin valves that can function as magnetic storage media. The technology uses electron charge and inherent magnetic properties for information storage and processing.
Research integrates vanadium dioxide onto a silicon chip to create infrared smart sensors that are faster, more energy-efficient, and lighter than conventional sensors. This breakthrough paves the way for multifunctional spintronic devices with enhanced memory capacity, data transfer speed, and computational power.
Researchers developed a new technique called SWARPES to study electronic properties at buried interfaces in metal oxides. This allows for the selective examination of subsurface interfaces with soft or hard x-rays.
Researchers at North Carolina State University have created a new compound, strontium tin oxide (Sr3SnO), that can be integrated into silicon chips and exhibits dilute magnetic semiconductor properties. This material could enable the development of spin-based devices, or spintronics, which rely on magnetic forces to operate.
Researchers at the University of Manchester have created elementary magnetic moments in graphene and controlled their switching. This breakthrough has significant implications for spintronics, enabling active devices with improved performance.
A new study suggests that scientists can create a stable structure with manganese and gallium nitride, which could be used in spintronics devices at or above room temperature. By incorporating a uniform layer and heating the sample, researchers were able to form a manganese-nitrogen bond that remains stable even at high temperatures.
Researchers have explored iron-doped zirconia, bridging the gap between theoretical predictions and experimental measurements. The study found that oxygen vacancies play a crucial role in providing its unique electronic and magnetic properties.
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 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.
Researchers at NIST developed a new microscope that measures collective dynamics of electrons' spins in individual nanomagnets as small as 100 nanometers. This enables the study of spin relaxation process and can help design spintronic devices with reduced energy consumption.
The German Academic Exchange Service is funding a joint project on spintronics, aiming to develop energy-efficient IT devices. Researchers from Johannes Gutenberg University Mainz and international partners will focus on the field of spintronics.
The special issue covers 17 review articles on various spintronics topics, including magneto-electronics and semiconductor spintronics. It aims to introduce the framework of spintronics and stimulate new ideas by showcasing domestic research results.
Researchers have developed a novel application of spintronics that converts magnetic energy to electric voltage efficiently and directly. The device utilizes magnetic nanostructures and manipulates magnetization dynamics to generate alternating current (AC) voltages from direct current (DC) magnetic fields.
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.
University of California researchers use hard X-ray angle-resolved photoemission spectroscopy to study gallium manganese arsenide, a material with potential in spintronics. The study reveals fundamental understanding of electronic interactions, suggesting future materials development.
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.
Researchers measured spin properties of electrons in graphene using a new technique, enabling the detection of spin resonance electrically. This breakthrough propels research forward into optimizing graphene for spintronic applications.
University of Utah physicists created a spintronic device that uses MEH-PPV plastic paint to detect magnetic fields, showing exceptional impact in real-world applications. The new magnetometer can accurately measure fields ranging from weak to strong, with potential consumer products on the market in three years or less.
Researchers at Berkeley Lab have demonstrated unique new materials for innovative electronic and magnetic applications. Bismuth selenide's surface electrons flow at room temperature, making it an attractive candidate for spintronics devices and quantum computers. The material's low electron-phonon coupling also underlines its practical...
Researchers at Berkeley Lab and Notre Dame have determined the origin of charge-carriers in gallium manganese arsenide, a material promising for spintronic devices. The study reveals that holes controlling Curie temperature are located in an impurity band, opening possibilities to expand its width and boost performance.
By combining spintronics and straintronics, researchers created an ultra-low-power integrated circuit that harnesses ambient energy for computation. The proposed design uses multiferroic composite structures to achieve significant energy savings, potentially powering implantable medical devices and buoy-mounted computers.
Researchers at the University of Cambridge have developed a new, more efficient way of generating spin current using collective motion of spins called spin waves. This breakthrough addresses a major obstacle in spintronics, a technology that could radically change computing with high-speed, high-density and low-power consumption.
Researchers develop protocol using existing technology to measure and manipulate magnetic spin of electrons for spintronics applications. This breakthrough aims to overcome limitations of conventional computing devices, such as power consumption and data loss.
Mainz University's Gutenberg Research College awards fellowship to Stuart Parkin, renowned experimental physicist and IBM Fellow. The award enhances postgraduate research in spintronics, a key area of focus for both institutions.