Articles tagged with Electron Spin
Researchers at NRL demonstrate electrical injection, detection and precession of spin accumulation in silicon at temperatures up to 225°C, overcoming a major obstacle for spin-based devices. The findings provide key enabling steps for developing semiconductor spintronics that offer higher performance and lower power consumption.
Research by Prof. Ron Naaman and colleagues reveals that biological molecules, such as DNA, can discern between quantum states of spin, a phenomenon previously thought irrelevant to their function due to their size and temperature. This chiral property enables them to selectively interact with electrons carrying specific spins.
Physicists at UCLA found that dividing space into discrete locations like a chessboard explains how point-like electrons manage to carry their intrinsic angular momentum. This concept, inspired by graphene's electronic properties, proposes that space at very small distances is segmented, rather than smooth.
Researchers have successfully performed energy-state occupancy readouts of artificial atoms using common computer interfaces, enabling the creation of quantum mechanical charge carriers. This breakthrough brings the technology one step closer to practical applications.
Scientists from University of Copenhagen reveal curved carbon's potential for unprecedented control over electron spin, paving the way for new applications in spin-based nanoelectronics. The discovery opens up possibilities for controlling and manipulating the spin of electrons.
Dutch researchers have successfully controlled qubits using electrical fields instead of magnetic ones, paving the way for a future super-fast quantum computer. They also embedded these qubits into semiconductor nanowires, which are ideal for quantum information processing.
Researchers at the University of Utah have successfully stored information in atomic nuclei for 112 seconds, a major breakthrough towards developing faster quantum computers. The new technique uses magnetic 'spins' in the centers of atoms to store and read data electronically.
Researchers have demonstrated a device that controls electron spin motion without generating net electric currents. The spin ratchet concept could enable efficient spin-based data storage and processing, reducing energy consumption and heat generation.
Researchers at Ruhr-University Bochum have confirmed the existence of triplet superconductivity experimentally, a phenomenon previously only predicted theoretically. This breakthrough could lead to more efficient energy storage and transmission in devices.
Researchers successfully achieved 'tunneling spin injection' into graphene, increasing efficiency and enabling longer spin lifetimes. This breakthrough enables the development of a 'spin computer' with potential for faster and more energy-efficient computing.
A team from UNSW has created a single electron reader, a crucial component needed to build a quantum computer using silicon. This breakthrough opens the path to constructing simpler and more scalable quantum computers.
Researchers at NIST have found theoretical evidence of a new method to generate high-frequency waves used in modern communication devices. The team's analysis predicts the creation of a soliton in a magnetic sandwich, which could lead to more secure and interference-resistant wireless technology.
Researchers at the University of Kansas have discovered a new way to recognize currents of spinning electrons within a semiconductor, paving the way for superior computers and electronics. The innovation uses powerful lasers to detect spin-current in real-time, overcoming a major hurdle in spintronics research.
Researchers at Cornell University have developed a method to precisely study electron interactions using single-molecule devices. By controlling the spin of cobalt-based molecules, they observed how it affects electron flow and interaction with surrounding conduction electrons.
Jason Petta's discovery enables control of single electrons, achieving rapid manipulation without disturbing surrounding trillions. This breakthrough paves the way for future high-capacity quantum computers.
Researchers at the University of Cincinnati have created an innovative way to control electron spin orientation using purely electrical means. This breakthrough could lead to more efficient and compact electronic devices with lower energy consumption.
Researchers at the University of British Columbia have successfully controlled the spin of electrons using a ballistic technique, eliminating the need for external electric or magnetic fields. This breakthrough could lead to more powerful and energy-efficient electronic systems, including quantum information processing devices.
North Carolina State University scientists developed a GaMnN thin film-based device that manipulates both charge and spin of electrons at room temperature, surpassing previous devices which only functioned at -173°C. The new technology uses lower voltages to switch electron bias, improving semiconductor efficiency and speed.
Scientists at Berkeley Lab create two-dimensional electron gas with controlled spin state, exhibiting persistent spin helix with infinite lifetime. This discovery could lead to more efficient spin transistors and other devices.
Researchers at PTB have developed a single electron pump that injects precisely spun electrons into a semiconductor structure. This breakthrough enables the manipulation of individual spins for information processing, with potential advantages in speed and energy efficiency.
Researchers at Stanford University have successfully flipped the spin of an electron and measured its new position, a key step towards faster quantum computing. The experiment achieved this in about 100 times less time than previous techniques, using ultrafast lasers.
Researchers at Boston University developed a nanoscale torsion resonator to measure miniscule amounts of twisting or torque in metallic nanowires. The device has applications in spintronics, fundamental physics, chemistry, and biology.
Physicists have developed a novel way of spying on electrons and atomic nuclei using diamond-based magnetic imaging, enabling nanoscale spatial resolution. This technique has potential applications in fields such as materials science, spintronics, and biomedicine.
Scientists at University of Michigan and U.S. Naval Research Laboratory demonstrate a solid-state qubit that can be both 0 and 1 at the same time, enabling faster quantum computing and improved computer security. The breakthrough enables the creation of a code that would be impossible to crack with conventional computers.
Researchers successfully controlled an electrical current using the 'spin' within electrons, a step toward building plastic semiconductor switches. However, highly efficient organic LEDs may only convert up to 25 percent of electricity into light, contrary to earlier estimates.
Researchers at UC Riverside have made a discovery that could enable the development of faster computers by controlling electron spin and current flow. By altering the thickness of a thin insulator, they were able to selectively pass electrons with specific spins through a structure.
Researchers at the University of Oregon found that manipulating excitons in a semiconductor material can control electron spin, providing a new method for selectively manipulating spins. This discovery may prove useful in emerging optic devices and quantum computers.
Scientists at University of Copenhagen develop carbon nanotube transistors that can function as magnetic memories. The discovery demonstrates direct electrical control over a single electron spin, opening doors to new data storage possibilities.
Researchers discovered that magnetite's magnetic strength halves when subjected to pressures between 120,000 and 160,000 times atmospheric pressure. The change is due to a decrease in unpaired electrons, which affects the spin of magnetic materials.
Researchers identify signature of spin excitations as potential candidate for the 'glue' that binds electrons during high-temperature superconductivity. This discovery moves the field forward toward unlocking the physical mysteries behind a promising phenomenon.
Scientists at NRL generate and detect a pure spin current in silicon, allowing control over the spin orientation. This enables the development of devices that rely on electron spin rather than charge, promising higher performance with reduced power consumption.
Researchers at NRL and universities developed a new optical technique to control electron spins in quantum dot ensembles, enabling coherent manipulation of all spin frequencies. This breakthrough aims to create novel quantum computing devices using solid-state technology.
Scientists successfully rotate single electron's spin using electric fields, a crucial step for future quantum computing. This breakthrough clears the path for a more powerful and efficient quantum computer.
Researchers at the University of Delaware successfully transport an electron's spin a marathon distance through a silicon wafer, confirming its potential for spintronics. The finding opens doors to cheaper, faster, and lower-power processing and storage of data.
Researchers have developed a novel device that can trap, detect and manipulate the spin of a single electron, overcoming major obstacles in spintronics and quantum computing. The device uses quantum point contacts to steer electrical current and detect trapped spins.
The study identifies dominant damping mechanisms in iron, cobalt, and nickel, pointing to improved material design techniques. This discovery enhances the prediction of magnetic materials' dynamics, crucial for high-performance electronic devices.
Researchers at the Naval Research Laboratory (NRL) have successfully injected spin-polarized electrons from a ferromagnetic metal contact into silicon, producing a large electron spin polarization. This achievement is crucial for developing devices that rely on electron spin rather than electron charge, known as semiconductor spintronics.
Researchers have discovered a way to manipulate individual carbon-13 atoms in diamond to create stable quantum mechanical memory and a small quantum processor operating at room temperature. This breakthrough brings solid-state materials into the realm of quantum computing, revolutionizing scientists' approach to the technology.
Researchers at the University of Delaware have demonstrated the transport and coherent manipulation of electron spin in silicon, a crucial step towards harnessing its potential in spintronics. The discovery could lead to exponentially faster and more powerful electronics, including quantum computers.
A team of researchers from VCU and UC Cincinnati have made a significant breakthrough in spintronics by extending the spin relaxation time in organic nanostructures to over a second. This discovery has the potential to enable the development of smaller, faster, and more efficient electronic devices.
New study finds that electrons retain their spin alignment for up to three nanoseconds when confined around defects in semiconductors. This discovery presents a design challenge for spintronic devices, as optimal memory retention conditions are not conducive to efficient transport properties.
Researchers have successfully created a nanoscale system to control the Kondo effect in semiconductor materials. The two-quantum-dot system exhibits interesting behavior, including filtering the effect of current leads and studying pseudo-gapped systems and correlations.
Scientists at the University of New South Wales create a new type of quantum wire that uses holes to carry electrical current, enabling control over magnetic properties and paving the way for spin-based transistors. This discovery has significant implications for high-speed electronics and quantum information technologies.
Researchers at the Advanced Light Source have confirmed the existence of spinons and holons in one-dimensional solids through direct experimental results. This discovery has significant implications for future developments in high-temperature superconductors, nanowires, and spintronics.
Researchers found that barium copper silicate transforms from a nonmagnetic, disordered insulator to a magnetic, ordered condensate under extreme cold and high magnetic fields. The material loses dimensionality at the quantum critical point, with electron spins interacting only in two dimensions.
Researchers at MIT have developed a new magnetic semiconductor material that can inject spin-polarized electrons into silicon semiconductors. This breakthrough enables the creation of more efficient electronic circuits with reduced size and increased versatility.
The University of Iowa is part of a five-year Department of Defense grant to develop a multifunctional chip using spin technology. This chip could revolutionize computing and storage capabilities in small portable devices like cell phones, reducing power consumption and increasing efficiency.
A six-university collaboration, led by UCSB, aims to create a highly compact and energy-efficient chip. The project will utilize electron spin technology for memory, logic, and communications functions. Successful development could lead to breakthroughs in high-density storage, ultra-fast processing, and secure communication.
Researchers develop kinetic antiferromagnetism, solving decades-long problem in theoretical physics. The discovery has practical applications in superconductors, magnetic storage devices, and other areas of materials science.
A team of scientists has successfully separated spin from charge in a quantum wire, allowing it to progress independently along its length. This achievement demonstrates the phenomenon predicted six decades ago and has significant implications for our understanding of electron behavior.
Researchers at Los Alamos National Laboratory have successfully manipulated electron spins using a scanning optical microscope, achieving a higher degree of spatial coherence compared to traditional methods. This breakthrough could lead to the development of faster and more efficient electronic devices with low power consumption.
Researchers have successfully manipulated the spin of an electron using a jolt of voltage, allowing for precise control over the process. The discovery has implications for the development of optoelectronics and quantum cryptography, enabling secure information encoding.
Recent experiments suggest that strange quarks may have zero contribution to the nucleon's charge and current distribution, but a positive trend is observed for the proton's magnetic moment. Further precise measurements are needed to confirm these findings.
Researchers created a device that can split streams of quantum objects into two according to their spin state, which could be key for quantum computers. The separation method uses a magnetic focusing technique and has been a great challenge due to the weak coupling of spin with the environment.
A UCLA team successfully controlled and detected a single electron's spin in an ordinary commercial transistor chip. This achievement demonstrates that conventional silicon technology is adaptable enough to accommodate the future electronic requirements of new technologies like quantum computing.
Researchers create 'quantum dots' in gallium arsenide to harness electrons' spin for logic gates and potential quantum computing applications. The tiny dots could enable faster, smaller computer chips with enhanced data security.
Researchers at University of Utah developed switch-like valves made from organic materials, increasing electrical current flow by 40%. The innovation paves the way for new electronic devices, including computer chips and sensors.
Researchers found a way to manipulate electron spin to transport it without energy loss. This effect occurs in materials already used in the semiconductor industry and could lead to a new generation of computing devices. The discovery has significant implications for creating smaller, more efficient electronic devices.
Scientists at Ohio State University have developed a new material that can store and transfer data through the spin of electrons, enabling faster processing speeds and lower power consumption. This breakthrough could lead to instant-on computers, reduced weight, and lower manufacturing costs.
A team of physicists has discovered evidence of an unusual, fluctuating magnetic order in high-temperature superconductors, which could be crucial for explaining this phenomenon. This discovery was made using neutron beams to investigate the properties of a high temperature superconductor.