news, journals and articles from all over the world.
Scientists have found an energy band gap—an energy range where no electrons are allowed—opens at a point where two allowed energy bands intersect on the surface of an iron-based superconductor. This unusual electronic energy structure could be used for quantum information science and electronics.
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Copper oxides have the highest superconducting transition temperatures under normal conditions, but physicists aren’t sure why. A group of international researchers may have stumbled upon a major clue that could help revolutionize our understanding of these superconductive materials.
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For the first time since superconductivity was discovered in 1911, scientists have created the world’s first superconductor that works at room temperature. To do so, they engineered a new material never before found on earth using a photochemical process to create a starting framework of hydrogen-rich materials. The finding has important implications for quantum computing and energy storage and production.
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The American Physical Society has selected physicist Ivan Bozovic of the U.S. Department of Energy’s Brookhaven National Laboratory as a co-recipient of the 2021 James C. McGroddy Prize for New Materials. Bozovic and his collaborators were recognized “For pioneering the atomic-layer-by-layer synthesis of new metastable complex-oxide materials, and the discovery of resulting novel phenomena.”
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Scientists at Oak Ridge National Laboratory used new techniques to create a composite that increases the electrical current capacity of copper wires, providing a new material that can be scaled for use in ultra-efficient, power-dense electric vehicle traction motors.
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Theory suggests that quantum critical points may be analogous to black holes as places where all sorts of strange phenomena can exist in a quantum material. Now scientists say that they have found strong evidence that QCPs and their associated fluctuations exist in a cuprate superconductor.
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Graphene, an extremely thin two-dimensional layer of the graphite used in pencils, buckles when cooled while attached to a flat surface, resulting in beautiful pucker patterns that could benefit the search for novel quantum materials and superconductors, according to Rutgers-led research in the journal Nature. Quantum materials host strongly interacting electrons with special properties, such as entangled trajectories, that could provide building blocks for super-fast quantum computers. They also can become superconductors that could slash energy consumption by making power transmission and electronic devices more efficient.
Read moreA material composed of two one-atom-thick layers of carbon has grabbed the attention of physicists worldwide for its intriguing — and potentially exploitable — conductive properties.
The goal of room temperature superconductivity took a small step forward with a recent discovery by a team of Penn State physicists and materials scientists.
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Scientists have confirmed a theoretical prediction for high-temperature superconductors. In a superconductive state, like-charged electrons overcome their repulsion to pair up and flow freely. Different states of matter make superconductivity possible. One of those theorized states of matter is called a pair density wave. The scientists confirmed pair density waves using advanced microscopic imaging techniques.
Read moreA research team led by the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) has developed a technique that could lead to new electronic materials that surpass the limitations imposed by Moore’s Law.
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Scientists performed simulations of merging rotating superfluids, revealing a peculiar corkscrew-shaped mechanism that drives the fluids into rotation without the need for viscosity.
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This odd behavior may promote the material’s ability upon cooling to perfectly conduct electricity in a way unexplained by standard theories.
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Researchers from UC San Diego and Brookhaven Laboratory in New York investigated a diverse population of meteorites. Among the 15 pieces of comets and asteroids studied, they found two with superconductive grains.
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Valerii Vinokur, a senior scientist and distinguished fellow at the U.S. Department of Energy’s (DOE) Argonne National Laboratory, has been awarded the Fritz London Memorial Prize for his work in condensed matter and theoretical physics.
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Physicists have unraveled a mystery behind the strange behavior of electrons in a ferromagnet, a finding that could eventually help develop high temperature superconductivity. A Rutgers co-authored study of the unusual ferromagnetic material appears in the journal Nature.
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Scientists at Argonne National Laboratory report fabricating and testing a superconducting nanowire device applicable to high-speed photon counting. This pivotal invention will allow nuclear physics experiments that were previously thought impossible.
Read moreThrough a collaboration with DOE’s Fermi National Accelerator Laboratory, Argonne is supplying the first eight of 116 superconducting cavities that will create a stream of neutrinos for Fermilab’s Deep Underground Neutrino Experiment (DUNE).
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