J. Jaroszyński

Variation in supercurrent connectivity and vortex pinning of state-of-the-art pulsed laser deposited RE Ba 2 Cu 3 O 7- x coated conductors

Aixia Xu, Yan Xin, Hayden Kinstler, Nonoko Kametani et autres

Abstract RE Ba 2 Cu 3 O 7-x ( RE BCO, RE : rare earth) coated conductors (CCs) suffer from great critical current I c differences between different manufacturers, I c variations within individual manufacturers, and often significant lengthwise fluctuations. The understanding …

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Influence of BZO morphology variations on vortex pinning, quantified by measurements of J c ( B , T , θ ) at very high magnetic fields

Ashleigh Francis, J. Jaroszyński, R Ries, Dmytro Abraimov et autres

Abstract REBa 2 Cu 3 O 7 − γ coated conductors have proven themselves viable for high-field magnet applications such as compact fusion and accelerator magnets. For such applications, detailed understanding of their electromagnetic properties, namely the critical current density J c …

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Possible Self-Arresting Screening Current Stress Damage in a REBCO Test Coil At 42.6 T in 31 T Background Field

Jonathan Lee, Jeseok Bang, Garfield Murphy, Griffin Bradford et autres

REBCO coated conductors (CCs) have now been optimized for current-carrying capacity in high magnetic fields. Production-length CCs may carry more than 1500 A at 4.2 K/30 T in the B//ab configuration. Such highIcis essential for the construction of new generations of ultra-high …

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Mott Intermittency at the Metal-Insulator Boundary

Yuxin Wang, V. Dobrosavljević, J. Jaroszyński, Yohei Saito et autres

The resistivity maximum at a temperature $T=T_{\mathrm{max}}$ is a recurring feature of bandwidth-tuned Mott systems, yet its meaning remains controversial: is it a coherence-incoherence crossover of an electronically homogeneous metal, or does it mark the onset of transport through a mixed landscape …

Mott Intermittency at the Metal-Insulator Boundary

Yuxin Wang, V. Dobrosavljević, J. Jaroszyński, Yohei Saito et autres

The resistivity maximum at a temperature $T=T_{\mathrm{max}}$ is a recurring feature of bandwidth-tuned Mott systems, yet its meaning remains controversial: is it a coherence-incoherence crossover of an electronically homogeneous metal, or does it mark the onset of transport through a mixed landscape …

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High-field flux jump instabilities in cables for accelerator or compact fusion magnets and their effective suppression

Tushar Garg, Milan Majoros, E. W. Collings, J. Jaroszyński et autres

Rare-earth-barium-copper-oxide (ReBCO) superconducting tapes are pivotal for emerging technologies such as fusion reactors and particle accelerators due to their superior performance in high magnetic fields. Despite extensive studies of single tapes, the magnetization behavior of ReBCO tape stack cables at high magnetic …

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REBCO Delamination by Electromagnetic Stress due to Screening Current in Magnetic Field

Jun Lü, Jeremy W. Levitan, Yu Suetomi, Iain R. Dixon et autres

REBCO coated conductor has great potential to be used in ultra-high field magnets. Commercial REBCO tapes are strong in the longitudinal direction but prone to delamination by tensile stress in the thickness direction. For high field magnet applications, it is crucial to …

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High critical current double-sided, thick-film REBa2Cu3O7−δ tapes by Advanced MOCVD

Bhabesh Sarangi, Jithin Sai Sandra, C. Reddy Aramadaka, Goran Majkic et autres

Enhancing the cost-effectiveness and performance of Rare Earth Barium Copper Oxide (REBCO) coated conductors remains a key objective for advancing applications in power transmission, fusion energy, particle accelerators, and rotating machines. One direct method to achieve this is by increasing the conductor’s …

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Flux Jumps up to 17 T in ReBCO Tape Stack Cables and their Suppression with Increased Intertape Spacing

Tushar Garg, M. Majoroš, E. W. Collings, J. Jaroszyński et autres

The magnetization of ReBCO tape stacks and tape stack cables in high magnetic fields (up to 30 T) are not commonly reported. Here we report magnetization measurements of tape stack cables in magnetic fields up to 30 T at 4.2 K. We …

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Single-gap two-band superconductivity well above the Pauli limit in non-centrosymmetric TaIr 2 B 2

Jozef Kačmarčík, Z. Pribulová, T. Shiroka, Filip Košuth et autres

Non-centrosymmetric superconducting materials represent an exciting class of novel superconductors featuring a variety of unconventional properties, including mixed-parity pairing and very high upper critical fields. Here, we present a comprehensive study of TaIr 2 B 2 (with T c = 5 . …

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Optimization of Transport Critical Currents at 4.2 K – 20 K at Magnetic Fields Up to 31 T for MOCVD REBCO Conductors With Variable Zr and Growth Conditions

Dmytro V Abraimov, J. Gillman, Hannah H. L. S. M. Pimentel, Shaolin Mao et autres

The critical current,$I_{\mathrm{c}}$, of REBCO full-width 4 mm short samples made by metal-organic chemical vapor deposition (MOCVD), optimized for high-field applications, were measured at magnetic fields perpendicular to sample plane up to 31.2 T in resistive magnets and temperature range${\text{4.2}}\,{\text{K}}$–55 K. Dependencies …

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Statistics on AB-Plane Offsets in REBCO Coated Conductors and Implications for Non-Twisted Magnets

JL Cheng, Ashleigh Francis, M. L. Shepard, Y Chen et autres

The critical current (Ic) of 2G REBa2Cu3O7-x(REBCO) high temperature superconductors (HTS) is highly anisotropic with respect to the applied magnetic field (B), with a strongIcpeak expressed atB||ab-plane of the HTS crystal structure. However, as manufactured, there is typically a small-angle ab-plane tilt …

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