Articles tagged with Superconductors
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Scientists are working on a new, powerful magnet design using high-temperature superconductors to build the world's first energy-producing fusion experiment. The goal is to achieve a net energy gain by 2025 and make fusion a viable source of clean energy.
Researchers at Harvard John A. Paulson School of Engineering and Applied Sciences found that a strong chemical bond between the apical cation and oxygen in cuprate compounds impacts superconductivity temperature. This discovery sheds light on key component of complicated phenomena in cuprates, opening up new avenue for materials design.
Researchers found that 'very dirty' superconductors exhibit abnormal behavior, violating the conventional theory of superconductivity. They discovered a power-law dependence between critical current density and magnetic field strength, allowing for a new understanding of Abrikosov vortices thermal fluctuations.
Researchers computationally predicted unique properties, including room-temperature super-elasticity, in iron arsenide materials. The material's structure collapsed noticeably under pressure, with atomic structures near the calcium and potassium layers collapsing first.
Researchers discovered a novel quasi-one-dimensional superconductor K2Mo3As3 with a critical temperature exceeding 10K. This breakthrough indicates that Cr and Mo-based Q1D superconductors share common underlying origins, paving the way for further exploration of exotic superconducting mechanisms.
Researchers have found that a copper-oxide compound's electrical resistance changes linearly with magnetic field strength at low temperatures. This finding supports the idea that high-temperature superconductors may not behave like ordinary metals, and could aid in developing room-temperature superconductors.
Researchers found local distortions in the crystal lattice of an iron pnictide compound at ultracold temperatures near optimal superconductivity. These distortions indicate a 'nematic quantum critical point' where nematic phases compete with superconductivity, potentially aiding its development.
Researchers discovered a new property in cuprate superconductors where resistivity scales linearly with high magnetic fields. This finding contradicts existing theories and suggests non-quasipartical mechanisms are at play.
Louis Taillefer is recognized for seminal magneto-transport studies on heavy-fermion and cuprate superconductors, advancing understanding of superconductivity and its potential for room-temperature applications.
A team of researchers has discovered a general mechanism for the long-range electromagnetic proximity effect in superconductor-ferromagnet structures. This finding explains how ferromagnetic films can transfer magnetic fields to their corresponding superconductors, contradicting previous experimental results.
Physicists at the University of Bonn have succeeded in putting a superconducting gas into an exotic state that allows new insights into the properties of the Higgs particle. The experiments also reveal a way to switch superconductivity on and off very quickly, opening up new applications for superconductors.
Scientists have observed superconducting vortices in an ordinary metal when it is brought into contact with a superconductor, demonstrating the existence of induced quantum coherence. This discovery enables a better understanding of the processes occurring at the interface between superconducting and normal phases.
A new system discovered by Jankó and collaborators enables ongoing adjustments to the material's properties over time. This allows for multiple reversible spin cycle configurations for the vortices, which can be rearranged site by site.
Researchers at Aalto University have developed an amorphous material exhibiting topological superconductivity, which could lead to the creation of lossless components for quantum computers. This discovery brings the field closer to application and potentially makes fabrication more convenient compared to current methods.
Physicists at Ames Laboratory successfully mapped the spatial distribution of the Meissner effect, a hallmark signature of true superconductors. The technique used nitrogen-vacancy centers in diamond to measure magnetic fields with unprecedented sensitivity and resolution.
A 2017 theory by Rice University physicists Qimiao Si and Emilian Nica helps explain the behavior of an iron-based high-temperature superconductor, solving a long-standing puzzle. The theory proposes orbital-selective pairing as the key to understanding this phenomenon, revealing a new mechanism for these unusual materials.
Researchers from Tokyo Metropolitan University have created new superconductors made of layers of bismuth sulfide and a high entropy rare earth alloy oxyfluoride. The new material retains superconducting properties over a wider range of lattice parameters than materials without high-entropy-alloy states.
Researchers at University of Illinois & Tokyo developed innovative 'flip-chip' technique to create layered TI/SC samples. Measurements revealed proximity effect induces superconductivity in both bulk and surface states, with surprising dependence on film thickness and temperature.
Researchers have discovered a way to create superconducting materials that carry 'spin' currents, improving efficiency in high-performance computing. By aligning electron spins, they can generate pure spin supercurrents, which could use significantly less energy than current silicon-based electronics.
Scientists have created a universal qubit design that can be used to build a quantum computer. The new superconductor qubit is based on a continuous superconducting nano-wire and has proven to be no worse than traditional designs in initial experiments.
Researchers at Moscow Institute of Physics and Technology and Skoltech have discovered a general principle for calculating the superconductivity of hydrides based on the periodic table. High-temperature superconductivity is achieved in substances containing metal atoms that come close to populating a new electronic subshell, resulting ...
A team of researchers from the University of Maryland has discovered a new type of superconductivity in the material YPtBi, which relies on highly unusual electron interactions. The discovery challenges conventional theory and opens up new possibilities for exotic materials.
Scientists have captured compelling evidence for Majorana quasiparticles, which are predicted to form the backbone of a type of quantum computer. The latest experiment uses ultra-thin semiconductor and superconducting aluminum to unlock the particles' presence, with results confirming theoretical predictions and demonstrating robustness.
A team of researchers from Nagoya University has discovered superconductivity in a quasicrystal alloy, which challenges conventional theories. The alloy's properties were found to be similar to those of weak-coupling superconductors, ruling out the role of critical eigenstates.
Researchers observed the full range of superconducting states from insulator to superconductor and back to re-entrant insulator in a WS2 monolayer. The discovery could lead to rational design of 2D superconducting devices at relatively high temperatures.
Researchers at UC Davis discovered a piezomagnetic material that alters its magnetic properties when subjected to mechanical stress. This finding has potential applications in detecting strain within materials, such as aircraft components, and could lead to new ways of investigating superconducting properties.
Researchers have found that graphene can be tuned to behave as an insulator or a superconductor, exhibiting unusual electronic properties. By creating a 'superlattice' of stacked graphene sheets, the team demonstrated intrinsic superconductivity in pure carbon-based material.
A team at Chalmers University of Technology has successfully created a topological superconductor, which could be used to host Majorana particles and enable the development of quantum computers. The material's properties were altered by repeated cooling cycles, leading to unexpected changes in its behavior.
Scientists have manufactured a component capable of hosting Majorana particles, which could become stable building blocks of a quantum computer. The team used platinum to assemble the topological insulator with aluminium, leading to unexpected and exciting changes in the superconductivity.
Researchers have successfully implanted protons into iron-based superconductors, inducing bulk superconductivity with Tc at 20 K. Protonation also enhances Tc in FeS, overcoming the difficulty of lacking sensitive NMR isotopes.
Scientists from Ural Federal University discovered a mathematical method to calculate the temperature of single-walled carbon nanotube superconductivity and developed a way to increase it. By adding a zigzag-like internal carbon chain, they increased the superconducting transition temperature by 45 degrees.
Engineers at Duke University have successfully counted the presence of at least four photons at a time using a widely used method of detecting single photons, providing easier paths to developing quantum-based technologies. The discovery will unlock new capabilities in physics labs working in quantum information science around the world.
Researchers at Tokyo Metropolitan University have discovered a novel layered superconductor based on tin and arsenic, exhibiting high-temperature superconductivity. The material's crystal structure and electronic state are unique, enabling the study of high-temperature superconductivity.
Researchers have improved the vertical stability of a superconducting tokamak in Korea, allowing for taller plasmas and exceeding design requirements. The new control system uses advanced sensors and electronics to stabilize the plasma's position, enabling more efficient fusion reactions.
A team of scientists has found that applying a brief laser pulse to the C60 bucky-ball material creates superconducting properties up to 100 degrees above the critical temperature. The discovery sheds light on the unusual physical phenomena and offers potential for manufacturing electronic devices with adjustable properties.
Researchers at Brookhaven National Laboratory have discovered a new behavior by electrons in high-temperature superconductors, challenging a cornerstone of condensed matter physics. The symmetry-breaking flow of electrons persists up to room temperature and across the range of chemical compositions examined.
Researchers have successfully produced a 'quantum egg-box' with hundreds of thousands of artificially arranged fluxons, enabling stable non-equilibrium states. This breakthrough paves the way for developing fast computer circuits based on fluxons with enhanced speed and reduced heat dissipation.
Researchers discovered a new chromium-based superconductor with an unusual electronic state, characterized by linear magnetic resistance at ultralow temperatures. This finding could contribute to the development of new superconductors and materials with unique properties.
Scientists have discovered a novel way to create superconductors at higher temperatures using boron-doped Q-carbon, with a transition temperature of 57K. This breakthrough could lead to practical applications in fields like energy and transportation.
A new microscopy technique reveals ultra-fast vortex dynamics in superconducting materials, with vortices traveling at rates of tens of GHz and velocities up to 72,000 km/hr. This breakthrough offers insights into fundamental physics of vortex dynamics, crucial for many applications.
Researchers from the University of Copenhagen and Cornell University have discovered why certain iron-based materials exhibit fine superconducting properties. The findings suggest that individual modes of operation facilitate superconductivity in these materials.
Scientists have found evidence for a new type of electron pairing that may unify the concept of high-temperature superconductivity. Orbital-selective electron pairing has been observed in an iron-based material, suggesting that dissimilar electronic characteristics hold the key to commonality.
A team of researchers has visualized the previously unexplored surface of lithium titanate, a rare spinel oxide superconductor with high superconducting transition temperature. Their study provides new directions for interface research, including understanding electrode surfaces and mechanisms behind lithium-ion battery operations.
Physicists have successfully demonstrated topological superconductivity in β-Bi2Pd films, a crucial step towards fault-tolerant quantum computing. The researchers found that tuning the chemical potential can isolate topological surface states, revealing a promising candidate for topological superconductor.
Researchers discovered a class of materials that can exhibit superconductivity at room temperature due to innovative laser techniques. This breakthrough opens up new perspectives for the development of high-temperature superconductors with applications in electronics, diagnostics, and transport.
Physicists at Caltech have detected a new state of matter, a three-dimensional quantum liquid crystal, which could play a role in ultrafast quantum computers. This discovery may lead to the creation of topological superconductors, addressing challenges in building quantum computers.
A Cornell research group led by Eun-Ah Kim proposes a strategy to create a topological superconductor using transition metal dichalcogenides (TMDs). If successful, this could pave the way for building a powerful quantum computer with approximately six times more qubits than current models.
Researchers at Saarland University create a flexible, ultra-thin superconducting film with potential applications in space technology and medical devices. The material can screen electromagnetic fields and levitate magnets, making it ideal for applications where weight is an issue.
Weyl semimetal TaAs crystals exhibit zero bias conductance peak and double conductance peaks upon PtIr tip contact, indicating unconventional superconductivity. The study opens a new method to induce potential topological superconductivity on non-superconducting materials.
Researchers discovered a new iron arsenide superconductor, CaKFe4As4, with a high superconducting temperature of 35K without dopants, questioning established theories. The material's pristine samples allowed for accurate measurements of the superconducting gap, contradicting previous models.
Louis Taillefer, a Canadian quantum physicist and CIFAR's Director of Quantum Materials program, has made groundbreaking discoveries in experimental low-temperature physics. He was awarded the Simon Memorial Prize for his contributions to understanding quantum materials.
Researchers detected two-fold symmetry in superconductivity of SrxBi2Se3, providing new evidence for its topological superconductor status. The findings are consistent with earlier experiments and suggest nontrivial topological order in the material.
Researchers successfully created atomic metallic hydrogen using diamond anvil cells at extreme pressures, offering potential applications in high-energy storage, superconductors, and rocket propulsion. The discovery could transform various industries, including energy production and space exploration.
Researchers at the University of Cambridge have found a way to trigger graphene's innate ability to act as a superconductor by coupling it with praseodymium cerium copper oxide (PCCO). This breakthrough enhances graphene's potential for industries such as healthcare and electronics. The study suggests that graphene could be used to cre...
Researchers employ a new 'stop-action' technique using laser pulses to measure complex electron interactions in materials. They discovered an unusual form of efficient energy loss at a specific energy level, which may play a role in superconductivity.
Scientists discover Bismuth is superconducting at extremely low temperatures, defying expectations due to its low carrier density. The finding opens new avenues for research into the fundamental laws of superconductivity.
The University of Houston researcher will use the grant to reduce cost and increase performance of superconductor wire production, leading to significant energy savings and reduced greenhouse gas emissions. The project aims to develop technologies that can significantly improve industrial motors, helping companies save energy and money...
Researchers use laser tweezers to control and arrange Abrikosov vortices in a superconductor, creating an AV-pattern. This technique has potential applications in quantum computation and optically controlled rapid single flux quantum logic elements.
Researchers at Caltech have confirmed that the pseudogap phase represents a new state of matter with properties different from the superconducting state. The discovery breaks nearly all spatial symmetries, providing clues about the origin of high-temperature superconductors.
Ames Laboratory scientists investigated the properties of iron-based superconducting materials, finding that transition temperature and magnetic field penetration depth depend on composition and disorder. The study provides new knowledge on unconventional superconductivity and will aid in discovering high-temperature superconductors.