A Promising JcEnhancement in YBa2Cu3Oxby “Grain Coating”

Xu Guang Zheng, Hisao Kuriyaki, Kazuyoshi Hirakawa

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10 Citations (Scopus)

Abstract

A “grain coating” method is proposed to improve the superconducting property of intergrain junctions. in this process, Ag is coated onto the surface of crystalline grains by vacuum evaporation. A remarkable enhancement of Jcis obtained with a very thin (∼1 nm) Ag coating of less than 0.01% in weight proportion. The dependence of Jcon the coating thickness seems to be related to the coherence length in this oxide superconductor.

Original languageEnglish
Pages (from-to)L2020-L2021
JournalJapanese Journal of Applied Physics
Volume29
Issue number11
DOIs
Publication statusPublished - Nov 1990

All Science Journal Classification (ASJC) codes

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

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