Articles tagged with Superconductors
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Researchers have developed a proof of concept for a superconducting highway that can transport vehicles and electricity, leveraging liquid hydrogen cooling to address the challenge of low-temperature superconductor operation. The system enables speeds of at least 400 miles per hour and integrates multiple uses, making it more affordable.
A new concept uses superconductors to levitate vehicles and transport liquified hydrogen, reducing energy loss and environmental impact. The system could enable high-speed travel of up to 400 miles per hour, making it a game-changer for transportation and energy transmission.
Researchers have found a material, palladium, that is optimally suited for creating superconductors with high transition temperatures. This discovery has the potential to revolutionize electricity generation and transportation by enabling materials to conduct electricity without loss at normal room temperature and atmospheric pressure.
Scientists at Brookhaven National Laboratory used x-rays to study the electrons in nickel-based superconducting materials, revealing substantial similarities with cuprate superconductors. The research could help scientists zero in on key features essential for these materials' remarkable ability to carry electrical current.
Scientists found that oxocarbon-based dyes have intermediate electronic configurations between closed-shell and open-shell forms. The study reveals that longer wavelengths of near-infrared light absorption increase the contribution of open-shell forms in the dye.
High-entropy metal telluride superconductors exhibit unique properties due to structural disorder and atomic vibrations. The discovery sheds light on the coupling between electrons and lattice vibrations, potentially leading to exotic superconductivity mechanisms.
Researchers developed a new method to distinguish current carriers in the BCS-BEC crossover, a phase transition between superfluids and superconductors. The team measured fluctuations of currents, quantified as the Fano factor, which can identify single-particle- and pair-currents.
Researchers from Tokyo Metropolitan University have successfully threaded indium atoms into bundles of transition metal chalcogenide nanofibers, creating a unique nanostructure. The resulting metallic nanowires exhibit properties suitable for flexible wiring in nanocircuitry.
Scientists at RMIT University and partner organisation confirm electric control of superconductivity and giant anomalous Hall effect in the kagome metal CsV₃Sb₅. Proton intercalation modulates carrier density, allowing for tuning of Fermi surfaces and potentially realizing exotic quantum phase transitions.
Researchers at University of Texas at Dallas and Ohio State University identify quantum geometry as primary mechanism for superconductivity in twisted bilayer graphene. This finding paves way for designing new superconductors that can operate at higher temperatures, transforming industries such as energy transport and maglev trains.
Scientists have detailed the atomic structure of superconducting RbV3Sb5 at 103 degrees Kelvin, revealing a unique lattice pattern and charge-density wave. This breakthrough provides a new understanding of exotic states of matter and brings researchers closer to developing higher-temperature superconductors.
Researchers have developed a new device that can effectively redistribute noise and reduce its impact on quantum measurements. By 'squeezing' the noise, they can make more accurate measurements, enabling faster and more precise quantum systems. The device has the potential to improve multi-qubit systems and metrological applications.
Scientists at Stanford University and SLAC National Accelerator Laboratory have made progress toward building a novel quantum simulator. The device can simulate interactions between two quantum objects, paving the way to study complex systems and answer fundamental questions in physics.
Researchers at MIT have discovered a way to switch graphene's superconductivity on and off with short electric pulses, opening up new possibilities for ultrafast brain-inspired electronics. This discovery could lead to energy-efficient superconducting transistors for neuromorphic devices.
A team of researchers observed magnetically mediated hole pairing in a synthetic crystal, confirming theories that magnetic fluctuations give rise to pairing. The experiments suggest significant mobility of bound hole pairs, which could be efficient carriers of currents.
Scientists have discovered a quadratic relationship between the coefficient of T-linear resistivity and transition temperature in FeSe, indicating that spin fluctuations may play a common role in unconventional superconductors. This finding provides insight into high-temperature superconductivity.
Scientists have discovered that cuprates follow a charge distribution predicted in 2016, enhancing superconductivity under pressure. This finding brings researchers closer to achieving superconductors at room temperature, a goal long pursued by physicists.
The team isolated pairs of atoms within a 3D optical lattice to measure the strength of their mutual interaction. They confirmed a longstanding prediction that the p-wave force between particles reached its maximum theoretical limit.
Researchers have developed a quantum computing architecture that enables directional photon emission, the first step toward extensible quantum interconnects. This breakthrough enables the creation of larger-scale devices by linking multiple processing modules along a common waveguide.
Researchers at Argonne National Laboratory develop a new method to create crystalline materials with two or more elements, yielding previously unknown compounds with exotic properties. The discovery has potential applications in superconductors, energy transmission, high-speed transportation, and energy-efficient microelectronics.
Researchers discovered an emergent CDW state competing with superconductivity in CsV3Sb5 under pressure. The study reveals new electronic correlation effects, paving the way for exploring unconventional superconductivity.
A recent study published in Nature investigates the evolution of kagome superconductors and finds evidence of pressure-independent charge fluctuations. This suggests electronic correlation effects in the 2D kagome lattice, potentially leading to unconventional superconductivity.
Researchers at Max Planck Institute will fabricate hybrid superconducting circuits to explore novel superconductors and study the gap structure of atomically thin materials. The project aims to unravel the structure of the superconducting phase, crucial for understanding interacting many-body quantum systems.
Uri Vool receives ERC Starting Grant to fabricate hybrid superconducting circuits for novel material exploration and studying the gap structure of atomically thin materials. This project aims to unravel the superconducting phase in these materials, crucial for understanding interacting many-body quantum systems.
Researchers at NIST created grids of quantum dots to study electron behavior in complex materials. The grids provided ideal conditions for electrons to behave like waves or get trapped in individual dots.
A team of researchers from Japan Advanced Institute of Science and Technology has discovered thermodynamically stable phases in Y–Ce–H and La–Ce–H systems that exhibit high-temperature superconductivity. Calculations predicted Tc values of up to 173 K, paving the way for the development of more energy-efficient and sustainable societies.
Researchers reveal insights into the properties of AV3Sb5, a recently discovered family of superconductors, and find that symmetry breaking accompanies the charge-density wave order. The study provides new understanding of time-reversal symmetry breaking in these materials.
Researchers at Penn State have created a two-dimensional heterostructure by combining a topological insulator with a monolayer superconductor, demonstrating topological superconductivity and Ising-type superconductivity. The hybrid structure could pave the way for more stable quantum computers and explore Majorana fermions.
Researchers have reported the first observation of switchable chiral transport in a structurally achiral crystal, Kagome superconductor CsV3Sb5. The team proposes a model where electrons arrange themselves in patterns that violate mirror symmetry, even though atoms are arranged symmetrically.
Researchers have successfully prepared highly dense superconducting bulk magnesium diboride with a high current density using an unconventional spark plasma sintering method. The material exhibits excellent superconducting properties, including a high critical current density of up to 6.75 x 10^5 ampere/cm^2 at -253°C.
Scientists have developed a solution to communication challenges in neuromorphic chips using superconducting devices. This allows artificial neural systems to operate 100,000 times faster than the human brain, with potential applications in industrial control and human conversations.
Assistant Professor SUZUKI Hiroo and colleagues have developed a method to grow highly crystalline TMDCs, such as MoS2 and WS2, using chemical vapor deposition in a stacked substrate configuration. The technique produces samples with large domains and optimal photoluminescence characteristics.
Researchers discovered titanium's record-high superconductivity above 26K at high pressures, exceeding the previous record by 4K. The high-temperature superconductivity is attributed to electron correlations and phonon coupling, making it suitable for applications in diverse environments.
UC Santa Barbara researchers develop a device to convert data from electrical current to pulses of light, allowing for faster transmission between cryogenic and room-temperature systems. The magneto-optic modulator enables the integration of superconducting microprocessors and quantum computers, promising revolutionized computation.
Researchers at the University of Oxford have made a groundbreaking discovery that sheds light on the atomic mechanism behind high-temperature superconductors. The study reveals that copper pairs are held together by magnetic interactions in high-temperature superconductors, rather than thermal vibrations.
Researchers at Shibaura Institute of Technology developed an optimized recipe to retain superconductivity in bulk MgB2 by enhancing its critical current density. By combining sintering conditions with controlled addition of nanometer-sized amorphous boron and dysprosium oxide, the team achieved a superior critical current density.
Researchers have demonstrated a prominent superconducting diode effect in a single two-dimensional superconductor using graphene. This breakthrough has significant implications for the study of complex physical behavior in twisted tri-layer graphene and could form the basis for ultra-efficient lossless quantum electronic devices.
Researchers at Institute of Physics, Chinese Academy of Sciences have discovered new hafnium polyhydrides exhibiting superconductivity above 80K, a temperature threshold previously unattained by any 5d transition metal hydride. The study reveals these compounds display high critical fields and Ginzburg-Landau superconducting coherent l...
Brazilian researchers used computer simulations to investigate the superconducting behavior of a dimolybdenum nitride monolayer, finding that it became superconductive at relatively high temperatures and showed strong correlation with strain applied.
Researchers at the University of Virginia School of Medicine have successfully engineered a material that can conduct electricity with zero resistance, paving the way for revolutionary technologies. The breakthrough uses DNA to guide chemical reactions, overcoming a long-standing challenge in materials science.
Researchers at SLAC National Accelerator Laboratory have discovered that nickelate superconductors are always magnetized, whether in their normal or superconducting state. This finding highlights the fundamental properties of these materials and provides insight into how unconventional superconductors carry electric current with no loss.
Bar-Ilan University researchers discover a previously invisible phenomenon in spin liquids, which could enable designing superconductors that work at room temperature. The discovery uses a scanning SQUID microscope and reveals a hidden magnetic phase in the material.
Researchers have discovered nickel oxide superconductors with the presence of charge density waves (CDWs), which accompany superconductivity. This discovery reveals that nickelates are capable of forming correlated states, hosting a variety of quantum phases, including superconductivity.
Researchers from Shibaura Institute of Technology have developed a novel low-cost method for refining boron using ultrasonication, resulting in 95% pure MgB2 superconductors with improved magnetic properties. This breakthrough could make cheap superconductors a reality soon.
Researchers observe a significant increase in electrical conductivity when mica is thinned down to few molecular layers, exhibiting semiconductor-like behavior. The findings suggest that thin mica flakes have the potential to be used in two-dimensional electronic devices with exceptional stability and durability.
Professor Ben Mazin and his team developed precision optical sensors for telescopes, doubling the spectral resolving power. This breakthrough enables scientists to analyze exoplanet composition using spectroscopy, with implications for detecting different molecules across the universe.
Scientists have discovered calcium polyhydrides that become superconductive with critical transition temperatures above 210K at high pressures. The findings suggest prospects for these superconductors in various applications.
Researchers at UCSB develop soft, semiconducting carbon-based polymer for reconfigurable logic circuits. The conjugated polyelectrolyte enables flexible and power-efficient electronics, promising a new era in computing systems.
Researchers investigate the search for Majorana fermions in iron-based superconductors, which could enable topological quantum computing and ultra-low energy electronics. The existence of Majorana zero-energy modes in topological superconductors makes them a promising candidate material for realizing these technologies.
Researchers at Osaka Metropolitan University have developed a pentacene derivative with significantly improved photostability, exceeding 100 times that of existing products. The molecule's planarity and π-electron conjugation are strengthened through the addition of a radical substituent.
Researchers observe formation of ordered and tunable MZM lattice in naturally strained LiFeAs, characterized by strain-induced CDW stripes. The lattice density and geometry can be tuned using external magnetic fields, providing a promising platform for manipulating MZMs.
Scientists at Aalto University and Oak Ridge National Laboratory develop new method to detect Cooper pairs in unconventional superconductors, enabling unique understanding of quantum materials. This breakthrough represents a major step forward in developing quantum technologies.
Researchers at Yale University have found a new connection between superconductivity and charge density waves, which could lead to the development of room-temperature superconductors. By manipulating charge density waves, scientists may be able to control and alter superconductivity.
A team of researchers led by Arizona State University's Antia Botana discovered a new high-temperature superconductor in nickelates, a material that could pave the way to room temperature superconductivity. The discovery was made possible by combining theoretical models with experimental results using supercomputers.
Researchers at FSU's CAPS have developed a new superconducting cable system that uses helium gas for cooling, overcoming previous limitations. This breakthrough enables the creation of highly compact and efficient power cables suitable for electric ships and aircraft.
A team of researchers used resonant inelastic X-ray scattering to study the behavior of electron spins in iron selenide, a material that exhibits directionally-dependent electronic behavior. They found that high-energy spin excitations are dispersive and undamped, indicating a well-defined energy-versus-momentum relationship.
The team found that as superconductivity was switched off in the YBCO samples, charge density waves became more correlated, with electron ripples becoming periodic or spatially synchronized. This suggests that superconductivity fundamentally shapes the form of CDWs at the nanoscale.
A large-scale collaboration has uncovered how charge order and superconductivity interact at the nanoscale, enabling new insights into high-temperature superconductor dynamics. The study aims to develop a framework for understanding how these materials emerge, with potential applications in energy and telecommunication systems.
Electronic nematicity, a key feature of iron-based superconductors, is primarily driven by spin excitations in FeSe. The study uses RIXS to reveal the spin anisotropies underlying this phenomenon, shedding light on its origin and potential impact on high-temperature superconductivity.
Researchers at Institute of Physics Chinese Academy have discovered new zirconium polyhydrides that exhibit superconductivity with a high transition temperature (Tc) of ~71 K. The compounds can be synthesized under high pressure conditions and may lead to the discovery of new superconducting materials.