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Author:

Xu, Yan (Xu, Yan.) | Suo, Hong Li (Suo, Hong Li.) (Scholars:索红莉) | Grivel, Jean-Claude (Grivel, Jean-Claude.) | Liu, Min (Liu, Min.) | Zhang, Xiaolong (Zhang, Xiaolong.) | Zhou, Yuqi (Zhou, Yuqi.) | Liu, Jianhua (Liu, Jianhua.) | Zhang, Zili (Zhang, Zili.)

Indexed by:

EI Scopus SCIE

Abstract:

The synergistic effects of double doping with a positive mismatch perovskite (Ba2YNbO6) and a negative mismatch perovskite (LaAlO3) on the brittle ceramic YBa2Cu3O7-x (YBCO) superconducting films were investigated. The double-doped sample allows a greater doping amount than any single doping, with significantly smaller nanostrain on the c axis, and shows superior superconducting properties. By analyzing the crystal mismatch and establishing a suitable model of the doping effects, it was found that the double doping with the positive mismatch and the negative mismatch dopant cancels the long-range strain but still generates defects around the interface between the YBCO and the dopants, simultaneously. This result reveals a feasible method for solving the problem of degradation and even cracks in the YBCO film due to the excess doping amount. This approach provides a wider compositional space for the design and fabrication of more ingenious pinning structures in the YBCO film for meeting the criteria of specific applications.

Keyword:

Author Community:

  • [ 1 ] [Xu, Yan]Beijing Univ Technol, Beijing 100124, Peoples R China
  • [ 2 ] [Suo, Hong Li]Beijing Univ Technol, Beijing 100124, Peoples R China
  • [ 3 ] [Liu, Min]Beijing Univ Technol, Beijing 100124, Peoples R China
  • [ 4 ] [Zhang, Xiaolong]Beijing Univ Technol, Beijing 100124, Peoples R China
  • [ 5 ] [Zhou, Yuqi]Beijing Univ Technol, Beijing 100124, Peoples R China
  • [ 6 ] [Liu, Jianhua]Chinese Acad Sci, Inst Elect Engn, Beijing 100190, Peoples R China
  • [ 7 ] [Zhang, Zili]Chinese Acad Sci, Inst Elect Engn, Beijing 100190, Peoples R China
  • [ 8 ] [Xu, Yan]Tech Univ Denmark, DK-4000 Roskilde, Denmark
  • [ 9 ] [Grivel, Jean-Claude]Tech Univ Denmark, DK-4000 Roskilde, Denmark

Reprint Author's Address:

  • 索红莉

    [Suo, Hong Li]Beijing Univ Technol, Beijing 100124, Peoples R China;;[Zhang, Zili]Chinese Acad Sci, Inst Elect Engn, Beijing 100190, Peoples R China

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Source :

CRYSTAL GROWTH & DESIGN

ISSN: 1528-7483

Year: 2020

Issue: 5

Volume: 20

Page: 3449-3455

3 . 8 0 0

JCR@2022

ESI Discipline: CHEMISTRY;

ESI HC Threshold:139

Cited Count:

WoS CC Cited Count: 13

SCOPUS Cited Count: 14

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

Affiliated Colleges:

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