Articles tagged with Electron Spin
Researchers discovered a novel type of magnet, the antiferromagnetic excitonic insulator, which involves strong magnetic attraction between electrons in a layered material. The new state emerges when electrons form bound pairs with holes and trigger an antiferromagnetic alignment of adjacent electron spins.
Scientists have discovered a new type of skyrmion with half-integer topological numbers in a ferromagnetic superfluid, challenging the current understanding of these phase defects. This discovery could lead to a major breakthrough in skyrmion research and its applications in particle physics and spintronics.
Researchers at the ARC Centre of Excellence in Exciton Science created the first-ever 2D map of the Overhauser field in organic LEDs, revealing local spin variations that can impact device performance. The study highlights challenges in miniaturizing organic-based sensing technologies for practical applications.
Researchers have developed conducting systems that control electron spin and transmit a spin current over long distances without ultra-cold temperatures. This breakthrough enables the creation of new technologies for encoding and transmitting information at room temperature.
Researchers have achieved 99% accuracy in quantum computing using silicon-based devices. The breakthrough enables the creation of large arrays of qubits capable of robust computations, overcoming a significant challenge in building reliable quantum computers.
Researchers at QuTech have successfully implemented spin-based quantum processors in silicon with high-fidelity single- and two-qubit gates above 99.5%. This breakthrough amplifies the promise of semiconductor spin qubits as a leading platform for scalable and reliable quantum computing.
Researchers discovered a new method to control spin-lattice interaction with ultrashort terahertz pulses, potentially revolutionizing ultrafast data processing and storage. This breakthrough could address the growing energy demands of data storage centers.
Researchers have demonstrated a novel semiconductor exhibiting an unconventional large anomalous Hall resistance in the absence of large-scale magnetic ordering. The findings validate a recent theoretical prediction and provide new insights into the phenomenon.
Researchers at the University of Malaga have developed a new version of organic electronics that can manage energy consumption more efficiently. The technology, known as spintronics, uses carbon-based molecules to expand electronic material versatility and functionality.
Researchers at Harvard have successfully observed quantum spin liquids, a previously unseen state of matter that has been elusive for nearly 50 years. By manipulating ultracold atoms in a programmable quantum simulator, the team was able to create and study this exotic state, which holds promise for advancing quantum technologies.
Researchers have created a material system exhibiting unusually long-range Josephson effect, enabling macroscopic quantum coherence and potential for spintronic applications. The discovery of 'triplet' superconductivity, where electrons with the same spin circulate, expands possibilities for low-power consumption devices.
A team at Heidelberg University has successfully demonstrated a programmable control of spin interactions in isolated quantum systems. By adopting methods from nuclear magnetic resonance, the researchers used microwave pulses to modify the atomic spin and stall its reorientation. This breakthrough opens up new possibilities for Quantum...
Researchers find that triangular-patterned materials can exhibit a mashup of three different phases, with each phase overlapping and competing for dominance. As temperature increases, the material becomes more ordered due to the breaking down of these competing electron arrangements.
Scientists at USTC localized electromagnetic fields down to 10^-6 wavelength, increasing field intensity by 2.0×10^8 times and interaction strength by 1.4×10^4 times. This breakthrough enables high-spatial-resolution quantum sensing in nanoscience.
Scientists demonstrate acoustic manipulation of electron spins in silicon carbide, enabling efficient control of magnetic quantum properties. The technique uses surface acoustic waves to tune the spin state, preventing information loss and paving the way for more affordable quantum technologies.
Researchers have discovered a three-channel Kondo effect in a cubic holmium compound using numerical methods, predicting an exotic quantum ground state and potential applications. The study found a residual entropy value at ultra-low temperatures, matching the predicted value by the three-channel Kondo effect.
Researchers at Osaka University developed a deep neural network to accurately determine qubit states despite environmental noise. The novel approach may lead to more robust and practical quantum computing systems.
Scientists have fabricated chains of triangular polycyclic aromatic hydrocarbons with spin 1, exhibiting Kondo resonances characteristic of spin ½ quantum objects. This breakthrough enables the exploration of linear spin chains and two-dimensional networks for quantum computation.
Researchers at DTU have developed a new method for designing nanomaterials with unprecedented precision, allowing for the creation of compact and electrically tunable metalenses. This breakthrough enables the development of high-speed communication and biotechnology applications.
Researchers at Berkeley Lab and UC Berkeley capture the first direct image of quantum spin liquid particles, called spinons and chargons. The discovery advances research on quantum computing and exotic superconductivity.
Osaka University researchers demonstrate the readout of spin-polarized multielectron states composed of three or four electrons on a semiconductor quantum dot. This breakthrough may lead to quantum computers utilizing high-spin states, enabling faster and higher-capacity processing.
Quantum engineers at the University of New South Wales have discovered a new technique to control millions of spin qubits, a critical step towards building a practical quantum computer. This breakthrough uses a novel component called a dielectric resonator to focus microwave power and deliver uniform magnetic fields across the chip.
Researchers detected the first spin of a nano-acoustic wave using a nanowire, which can control nano-systems or transfer information. The phenomenon has potential applications in acoustic quantum technologies.
Scientists at São Paulo State University discovered that compressing paramagnetic salts adiabatically can produce magnetization. The process aligns the particles' spins, resulting in a constant total entropy and magnetized system. This method has potential applications in investigating other interacting systems.
Scientists from the University of Tsukuba used radio-frequency imaging to detect nitrogen-vacancy defects in diamond with improved resolution. The technique, called spin-locking, enhances accuracy and sensitivity by shielding electron spin from random noise.
A new study has disproved an experiment that claimed to discover a novel form of superconductivity in strontium ruthenate, a material that plays an important role in unconventional superconductivity. The material behaves similarly to well-known high-temperature superconductors.
Researchers found that electrons' spin has a significantly greater influence on spintronic effects than previously thought. The study also discovered the orbital moment's contribution to the Edelstein effect, increasing efficiency by at least one order of magnitude.
A new experiment demonstrates the stability of quantum interactions between coupled atoms under electron bombardment. The findings suggest that special quantum states may be realized in quantum computers more easily than previously thought.
Researchers at Delft University of Technology intercept a chat between two atoms, demonstrating perfect superposition and entangled quantum states. This breakthrough has significant implications for research on quantum bits and may lead to new experimental possibilities.
Experimental results provide hard evidence for spin-charge separation in electrons, a long-theorized concept by Philip Anderson. The study confirms the presence of spinons, which are thought to be composed of two particles: one bearing negative charge and another containing spin.
Researchers developed a new type of LED that utilizes spintronics to produce circularly polarized light emission. The technology uses chiral molecules to self-assemble into standing arrays, which actively spin-polarize injected electrons and emit circularly polarized light.
Rice University scientists develop a new theory that can help identify materials for advanced spintronic devices, which depend on electron spin states. The theory predicts heteropairs of two-dimensional bilayers that enable large Rashba splitting, making room-temperature spin transistors possible.
Researchers discovered that twisted graphene at a 1.1-degree angle produces superconductivity, allowing for efficient electricity transport without resistance. The magic angle creates a moiré effect, trapping electrons and phonons in domains that enable superconducting properties.
Researchers have discovered a new form of magnetism in magnetic graphene, which could help understand superconductivity. The material's unique properties allow it to remain magnetic even when becoming a conductor under high pressure.
Scientists at the University of Tokyo have observed a direct impact of magnetic fields on biological magnetoreception in living cells. By measuring changes in flavin autofluorescence, they found that the presence of a magnetic field reduced the cell's ability to emit light.
Researchers have successfully created a two-dimensional array of quantum dots, enabling single electron control and paving the way for efficient implementation of quantum error correction routines. The achievement marks an important step towards building a working quantum computer.
Scientists from the Technical University of Munich and Norwegian University of Science and Technology have discovered a way to manipulate pseudospin in antiferromagnetic insulators, enabling the transport and detection of information. This discovery opens up new perspectives for information processing with antiferromagnets.
Researchers at the University of the Witwatersrand have made a groundbreaking discovery in diamond, uncovering triplet spin superconductivity. This phenomenon has significant implications for the development of new technologies, including radiation detectors and advanced electronics.
Researchers found evidence of a quantum spin liquid in ruthenium trichloride, which could lead to new insights into magnetic materials and their applications. The discovery was made using a novel technique called resonant torsion magnetometry, which precisely measures the behavior of electron spins.
Researchers discovered a topological insulator that exhibits two electronic states with opposite spin, but only one responds to magnetism. The findings challenge our understanding of exotic physics and raise questions about the properties of this material.
Researchers at Far Eastern Federal University propose controlling spin-electronic properties of thin-film magnetic nanosystems through surface roughness. This approach maximizes useful spin-electron effects, enabling the development of new-generation tiny electronics and superfast computer memory.
A team of UChicago scientists developed a technique that allows quantum systems to stay operational for up to 22 milliseconds, four orders of magnitude higher than before. This breakthrough has the potential to revolutionize quantum communication, computing, and sensing by enabling new research opportunities in quantum engineering.
Researchers at the University of Basel developed a new technique for efficient control and detection of electron spins in semiconductor devices. The spin valves can be controlled individually using nanomagnets, allowing for precise determination of electron spin orientation.
Electron spin waves can carry information, but their lifetime is limited. Researchers have found a way to extend this lifetime by adjusting crystal orientations, allowing the spin wave to persist for up to 30% longer.
Researchers have demonstrated coherence times up to 10,000 times longer than previously recorded for spin-orbit qubits, making them an ideal candidate for scaling up silicon quantum computers. Strong spin-orbit coupling is key to achieving stable qubits and robust quantum information.
A team of Brown University physicists has developed a new type of compact, ultra-sensitive magnetometer that could be useful in applications involving weak magnetic fields. The device uses the anomalous Hall effect and is up to 20 times more sensitive than traditional Hall effect sensors.
Researchers at NYU and IBM demonstrate a novel mechanism for setting the direction of magnetic information in conducting materials, a breakthrough that could lead to higher-density and more efficient memory technology. This advancement builds upon existing knowledge of spintronics and its applications.
Researchers at Argonne National Laboratory use pressure to create a magnetic liquid, potentially leading to breakthroughs in high-temperature superconductivity and quantum computing. The discovery involves slowly squeezing two small diamonds together with a magnetic material between them, resulting in the emergence of a spin liquid state.
Researchers at SLAC National Accelerator Laboratory discovered a way to separate electron spin and orbital states in a manganese oxide-based quantum material. This breakthrough could lead to the development of orbitronic devices that operate significantly faster than current spintronic devices.
Researchers at CCNY provide new insights on nanoscale spin thermalization dynamics, discovering that groups of electron spins can facilitate communication between isolated nuclear spins. This breakthrough could enable devices using electron and nuclear spins for quantum information processing or sensing at the nanoscale.
Researchers from the University of Leeds have created a 'spin capacitor' that can generate and hold the spin state of electrons for hours, opening up possibilities for new devices with efficient data storage. This innovation could lead to more sustainable technologies requiring less power.
Researchers from UNSW Sydney have successfully analyzed the complex structure of benzene in 126 dimensions, shedding light on its stability and interactions. The discovery reveals unexpected electron behavior, where up-spin double-bonded electrons interact with down-spin single-bonded electrons.
Researchers from RIKEN Center for Emergent Matter Science have successfully measured the spin of an electron in a silicon quantum dot without altering its state. This breakthrough enables the development of fault-tolerant quantum computers, which can perform complex calculations efficiently.
Scientists from QuTech have observed experimental signatures of Nagaoka ferromagnetism using an engineered quantum system. This phenomenon was predicted by Japanese physicist Yosuke Nagaoka in 1966 and has never been observed naturally. The researchers created a two-dimensional lattice of four quantum dots, which allowed them to trap t...
Researchers at KIST have successfully controlled the magnetic properties of FGT, a material with potential for next-generation spintronic semiconductors. The discovery could accelerate the development of devices that operate 100 times faster than current silicon-based electronic devices.
Researchers at the University of British Columbia have demonstrated a new way to control electrical currents in materials by leveraging electron spin and orbital rotation. This breakthrough enables metal-insulator transitions, which could lead to new electronic, magnetic, and sensing applications.
Researchers from UC Riverside have developed an electrical detection method for terahertz electromagnetic waves, which can miniaturize equipment on microchips and enhance sensitivity. The discovery has significant implications for ultrafast and spin-based nanoscale device applications.
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.