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Title: High critical current density YBa₂Cu₃O₇ coating on conductive Nb-doped SrTiO₃ and Ni double-buffered {100}〈001〉 textured pure Cu tape for low-cost coated conductors without generation of any insulative oxides at interfaces
Authors: Doi, Toshiya  kyouindb  KAKEN_id
Morimura, Takeo
Horii, Shigeru
Ichinose, Ataru
Author's alias: 土井, 俊哉
森村, 岳雄
堀井, 滋
Keywords: General Engineering
General Physics and Astronomy
Issue Date: 1-Feb-2019
Publisher: Japan Society of Applied Physics
Journal title: Applied Physics Express
Volume: 12
Issue: 2
Thesis number: 023010
Abstract: For development of a low-cost superconducting wire operating at high-temperature, we propose a new approach using conductive rather than insulating buffer layers, combined with {100}〈001〉 textured pure Cu tape to form YBa₂Cu₃O₇ (YBCO)/Nb-doped SrTiO₃/Ni/Cu/stainless steel. The critical current density of the YBCO layer was 2.5 MA cm⁻² at 77 K in a magnetic self-field. We also confirmed that some current flowed into the Cu tape through the conductive buffer layers when the current exceeded the critical current of the YBCO layer, suggesting that the textured Cu tape worked not only as a biaxial template but also as a stabilizer layer.
Rights: This is an author-created, un-copyedited version of an article accepted for publication in Applied Physics Express. The publisher is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at https://doi.org/10.7567/1882-0786/aafed5.
The full-text file will be made open to the public on 1 February 2020 in accordance with publisher's 'Terms and Conditions for Self-Archiving'.
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
URI: http://hdl.handle.net/2433/236176
DOI(Published Version): 10.7567/1882-0786/aafed5
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