Articles tagged with Spintronics
Researchers at Berkeley Lab discovered chirality in domain walls of amorphous materials, which could enable faster, smaller data storage. The study used high-resolution microscopy techniques to confirm nanoscale magnetic features, opening possibilities for controlling magnetic domains with temperature and light.
A new tri-layer structure made of Cr2O3, YIG, and Pt enables significant control over the transmission of spin current at room temperature. This discovery is a major breakthrough in spintronics, paving the way for more efficient information processing devices.
Researchers from NUS have made a breakthrough in understanding the magneto-resistance effect and its relation to spin texture of topological surface states. The team's findings could help in addressing the issue of spin current source selection in spintronic devices.
A team of physicists controlled magnon spin currents using a spin valve structure, allowing for the implementation of a switch-like device that suppresses or forwards magnon current as an electrical signal. The discovery enables wave-based computing and improved energy efficiency in data processing.
Researchers have discovered graphene nanoflakes that can exploit quantum effects to modulate current flow. The flakes also exhibit new magnetic properties, enabling the creation of spin currents and potential applications in spintronics.
Researchers at MIPT created a spin diode by placing ferromagnetic layers between two antiferromagnetic materials, allowing for tunable resistance and resonant frequency. This design triples the frequency range of conventional spin diodes while maintaining sensitivity comparable to semiconductor analogs.
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 UC Riverside have developed methods to detect signals from spintronic components made of low-cost metals and silicon, overcoming a major barrier to wide application. This breakthrough enables the creation of spintronic computers that generate little heat and use relatively minuscule amounts of electricity.
Researchers have demonstrated the potential for diamond as a material for spintronics, with strong spin-orbit coupling and tunable magnetic field control. Diamond's ease of processing and fabrication make it an attractive alternative to traditional semiconductor materials.
Physicists at Mainz University have successfully manipulated the Néel vector orientation in metallic thin films of Mn2Au, a compound featuring much faster information-writing and stability. The discovery could lead to ultrafast and stable magnetic memory.
Researchers used a new platform, MAESTRO, to observe the electronic structure of a 2-D semiconductor material, tungsten disulfide (WS2), at microscale resolution. The study suggests that WS2 may be highly tunable, with possible applications for spintronics and electronics.
Researchers at UC Riverside used ultraviolet Raman spectroscopy to investigate the strength of electron spin interactions with phonons in antiferromagnetic nickel oxide crystals. The study sheds light on long-standing puzzles surrounding this material and has important implications for developing spintronic devices.
Researchers have created thin crystal ferromagnetic films with potential applications in spintronics and photonics. The developed technology allows for specific shaping of the films using etching processes, opening up new possibilities for energy-efficient and high-speed devices.
Researchers predict and demonstrate a giant spin anisotropy in graphene, paving the way for new spintronic logic devices. This phenomenon enables control over the lifetime of different spin orientations in graphene.
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 in Japan have developed a wavelength-selective plasmonic metamaterial absorber to enhance the generation of spin currents from heat produced in the mid-infrared regime. The unique combination enables stronger light absorption and shows excellent tenability of these metamaterials' resonance wavelengths.
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 have successfully created a room temperature field-effect transistor using graphene's electron spin, enabling the integration of spintronic logic and memory devices. This breakthrough could lead to more versatile devices with reduced power consumption, crucial for future handheld mobile computing.
A team of researchers has discovered magnetic vortex-antivortex pairs arising from correlated electron spins in a newly engineered trilayer material. The finding could advance memory cells and points to the potential development of 3-D magnetic logic circuits.
Researchers have discovered a new 2D material with unique spin properties, making it a promising candidate for spintronics applications. The material's electronic structure was characterized using X-ray and scanning tunneling microscopy techniques, revealing its potential to carry data more efficiently and with lesser power demands.
A new phenomenon in spintronics was discovered by altering capacitance by manipulating spins in the opposite way from normal magnetocapacitance. This inverse effect allows for more parameter space to design devices, potentially useful in magnetic sensors for computer hard drives and random access memory chips.
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.
Researchers at Berkeley Lab have discovered a new atomically layered, thin magnet in a two-dimensional material, revealing intrinsic ferromagnetism and unprecedented control over ferromagnetic behavior. The discovery has major implications for nanoscale memory, spintronic devices, and magnetic sensors.
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.