Superconducting yba2cu3ox thin film growth on a vicinal surface of ndgao3 substrate

Masashi Mukaida, Shintaro Miyazawa, Masahiro Sasaura

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Abstract

Surface morphology is observed for a superconducting YBa2Cu3Ox (YBCO) thin film grown on a 1.7° off angle vicinal surface of lattice-matched NdGa03 substrate. Ragged step-like edges are clearly observable with exclusions in the front of the edges. The height of a step is measured to be 20 Å 30 Å and is calculated from the vicinal angel and the terrace width to be 23 ±2 Å, indicating an evidence for a doubled periodicity of YBCO crystal c-axis unit length of 12 Å.

Original languageEnglish
Pages (from-to)L1474-L1476
JournalJapanese Journal of Applied Physics
Volume30
Issue number8
DOIs
Publication statusPublished - Jan 1 1991
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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