High-temperature superconductivity ≈ High-temperature superconductivity
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Majorana Corner Modes in a High-Temperature Platform Open
We introduce two-dimensional topological insulators in proximity to high-temperature cuprate or iron-based superconductors as high-temperature platforms of Majorana Kramers pairs of zero modes. The proximity-induced pairing at the helical …
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A review of commercial high temperature superconducting materials for large magnets: from wires and tapes to cables and conductors Open
High temperature superconducting (HTS) materials have the potential to generate a magnetic field beyond the level obtainable with low temperature superconducting (LTS) materials. This review reports on past and present R&D on HTS cables an…
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Vortices in high-performance high-temperature superconductors Open
The behavior of vortex matter in high-temperature superconductors (HTS) controls the entire electromagnetic response of the material, including its current carrying capacity. Here, we review the basic concepts of vortex pinning and its app…
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Evidence of cooperative effect on the enhanced superconducting transition temperature at the FeSe/SrTiO3 interface Open
At the interface between monolayer FeSe films and SrTiO 3 substrates the superconducting transition temperature ( T c ) is unexpectedly high, triggering a surge of excitement. The mechanism for the T c enhancement has been the central ques…
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High temperature superconductors for fusion magnets Open
The commercially available high temperature superconductors (HTS) tapes and wires (BSSCO and REBCO) are introduced and the past and present projects to build fusion devices using HTS based magnets are reviewed. The main design options for …
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RETRACTED: Synthesis of Yttrium Superhydride Superconductor with a Transition Temperature up to 262 K by Catalytic Hydrogenation at High Pressures Open
The recent observation of room-temperature superconductivity will undoubtedly lead to a surge in the discovery of new, dense, hydrogen-rich materials. The rare earth metal superhydrides are predicted to have very high-T_{c} superconductivi…
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Overview of <i>H</i>-Formulation: A Versatile Tool for Modeling Electromagnetics in High-Temperature Superconductor Applications Open
This paper reviews the modeling of high-temperature superconductors (HTS) using the finiteelement method (FEM) based on the H-formulation of Maxwell's equations. This formulation has become the most popular numerical modeling method for si…
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Bulk superconductors: a roadmap to applications Open
Progress in superconducting bulk materials has been somewhat overshadowed by the considerable effort required to produce practical long-length conductors. There has, however, been steady progress in both the materials science of bulk super…
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High temperature superconductivity in sulfur and selenium hydrides at high pressure Open
\n Due to its low atomic mass, hydrogen is the most promising element to search for\n high-temperature phononic superconductors. However, metallic phases of hydrogen are only\n expected at extreme pressures (400 GPa or higher). The measure…
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<i>Colloquium</i>: Linear in temperature resistivity and associated mysteries including high temperature superconductivity Open
Recent experimental results: (i) the measurement of the $T \ln T$ specific heat in cuprates and the earlier such results in some heavy fermion compounds, (ii) the measurement of the single-particle scattering rates, (iii) the density fluct…
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Enhancing superconductivity in SrTiO <sub>3</sub> films with strain Open
A doubling of the superconducting transition temperature occurs in strained SrTiO 3 films, which are known to become ferroelectric.
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Structure and superconductivity of hydrides at high pressures Open
Hydrogen atoms can provide high phonon frequencies and strong electron–phonon coupling in hydrogen-rich materials, which are believed to be potential high-temperature superconductors at lower pressure than metallic hydrogen. Especially, re…
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Rapid change of superconductivity and electron-phonon coupling through critical doping in Bi-2212 Open
Conspiring interactions in a cuprate More than 30 years after the discovery of high-temperature superconductivity in copper oxides, its mechanism remains a mystery. Electron pairing mediated solely by lattice vibrations—phonons—is thought …
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Hydrogen Pentagraphenelike Structure Stabilized by Hafnium: A High-Temperature Conventional Superconductor Open
The recent discovery of H_{3}S and LaH_{10} superconductors with record high superconducting transition temperatures T_{c} at high pressure has fueled the search for room-temperature superconductivity in the compressed superhydrides. Here …
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<i>Colloquium</i>: High pressure and road to room temperature superconductivity Open
High pressure serves as a path finding tool towards novel structures,\nincluding those with very high Tc.The superconductivity in sulfur hydrides with\nrecord value (203 K) is caused by the phonon mechanism. However, the picture\ndiffers f…
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High-Temperature Superconductivity in a Th–H System under Pressure Conditions Open
New stable phase thorium decahydride Fm3̅ m-ThH10, a high-temperature superconductor with TC up to 241 K (-32 °C), critical field HC up to 71 T, and superconducting gap Δ0 of 52 meV at 80-100 GPa, is predicted by evolutionary algorithm USPE…
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Actinium Hydrides AcH<sub>10</sub>, AcH<sub>12</sub>, and AcH<sub>16</sub> as High-Temperature Conventional Superconductors Open
The stability of numerous unexpected actinium hydrides was predicted via the evolutionary algorithm USPEX. The electron-phonon interaction was investigated for the hydrogen-richest and most symmetric phases: R3̅ m-AcH10, I4/ mmm-AcH12, and …
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Incoherent strange metal sharply bounded by a critical doping in Bi2212 Open
A sharp boundary in the cuprates Many physicists working on cuprate superconductors believe that the so-called strange metal phase in the cuprate phase diagram is associated with a quantum critical point. Within this picture, the quantum c…
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High-Performance Bi-2212 Round Wires Made With Recent Powders Open
Multifilamentary Bi2Sr2CaCu2Ox (Bi-2212) wire made by the powder-in-tube technique is the only high temperature superconductor made in the round shape preferred by magnet builders. The critical current density (J C ) of Bi-2212 round wire …
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Materials design for artificial pinning centres in superconductor PLD coated conductors Open
To date the strategy for inducing pinning in REBa2Cu3O7-x (REBCO where RE = rare-earth) coated conductors has largely been empirical. Hence, we are not yet at a point where we can dial-in the compositions and process parameters to optimise…
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THE PROCESSING AND PROPERTIES OF BULK (RE)BCO HIGH TEMPERATURE SUPERCONDUCTORS: CURRENT STATUS AND FUTURE PERSPECTIVES Open
Bulk (RE)-Ba-Cu-O [(RE)BCO] cuprate HTS have been developed steadily towards a wide range of sustainable engineering and technological applications since their discovery in 1986 based primarily on their unique potential to trap very large …
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IEEE Transactions on Applied Superconductivity Open
Non-metallic structural materials that act as an electrical insulation are needed for cryogenic power applications. One of the extensively utilized materials is glass fiber reinforced resins (GFRR) and may also be known as GFRP and FRP. Th…
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Strong correlation between electronic bonding network and critical temperature in hydrogen-based superconductors Open
By analyzing structural and electronic properties of more than a hundred predicted hydrogen-based superconductors, we determine that the capacity of creating an electronic bonding network between localized units is key to enhance the criti…
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A trapped field of 17.7 T in a stack of high temperature superconducting tape Open
High temperature superconducting (HTS) tape can be cut and stacked to generate large magnetic fields at cryogenic temperatures after inducing persistent currents in the superconducting layers. A field of 17.7 T was trapped between two stac…
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How filaments can reduce AC losses in HTS coated conductors: a review Open
Second-generation high-temperature superconductor (HTS) tapes, known also as coated conductors, are very promising tapes for HTS applications, in virtue of their extremely high critical current density, in-field behavior, and mechanical st…
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Superconductivity in La and Y hydrides: Remaining questions to experiment and theory Open
Recent reports of the superconductivity in hydrides of two different families (covalent lattice, as in SH3 and clathrate-type H-cages containing La and Y atoms, as in LaH10 and YH6) have revealed new families of high-Tc materials with Tc’s…
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Advanced electromagnetic modeling of large-scale high-temperature superconductor systems based on H and T-A formulations Open
The development of the high-temperature superconductors (HTS) has allowed the emergence of diverse superconductor devices. Some of these devices, like wind power generators and high-field magnets, are classified as large-scale HTS systems,…
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Feasible Route to High-Temperature Ambient-Pressure Hydride Superconductivity Open
A key challenge in materials discovery is to find high-temperature superconductors. Hydrogen and hydride materials have long been considered promising materials displaying conventional phonon-mediated superconductivity. However, the high p…
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Investigation of HTS Twisted Stacked-Tape Cable (TSTC) Conductor for High-Field, High-Current Fusion Magnets Open
Here, the critical currents of a twisted single-tape were measured at 4.2 K in fields up to 17 T. It was confirmed that the critical current of a twisted-tape was similar to that of a flat tape in c-axis fields. Based on the single-tape cr…
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High-temperature superconductivity in sulfur hydride evidenced by alternating-current magnetic susceptibility Open
The search for high-temperature superconductivity is one of the research frontiers in physics. In the sulfur hydride system, an extremely high Tc (∼200 K) has been recently developed at pressure. However, the Meissner effect measurement ab…