Observation of flux penetration in YBa2Cu3O7-δ superconductors by means of the magneto-optical Faraday effect

N. Moser, M. R. Koblischka, H. Kronmüller, B. Gegenheimer, H. Theuss

研究成果: Article

44 引用 (Scopus)

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The penetration of the Shubnikov phase into both single-crystal and sintered YBaCuO specimens has been observed by means of the magneto-optical Faraday effect using the high Verdet constant in thin evaporated films of a mixture of EuS and EuF2. This method allows the direct observation of the flux motion. After cycling magnetic field from zero, the trapped flux structure in the single crystal consists of large domains which are related to the sample shape, whereas in sintered specimens only a part of the total number of the grains transforms into the Shubnikov phase.

元の言語English
ページ(範囲)117-123
ページ数7
ジャーナルPhysica C: Superconductivity and its applications
159
発行部数1-2
DOI
出版物ステータスPublished - 1989 6 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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