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Epitaxial growth of superconducting YBa2Cu3O7thin films on bare R-plane sapphire substrate

Authors
Journal
Physica C Superconductivity
0921-4534
Publisher
Elsevier
Publication Date
Identifiers
DOI: 10.1016/0921-4534(94)91556-3
Disciplines
  • Physics

Abstract

Abstract We report epitaxial growth by laser ablation of YBa 2Cu 3O 7 films on bare sapphire (1 102) substrate. Owing to suitable substrate treatment, we have succeeded to grow superconducting YBCO films with Tc( R = 0) above 88 K and ϱ(300K)/ϱ(100K) around 2.80; first promising Rs value of 17 mΩ was measured at 10 GHz and 77 K.

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