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査読

44 被引用数 (Scopus)

抄録

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.

本文言語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
1-2
DOI
出版ステータスPublished - 1989 6 1
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • エネルギー工学および電力技術
  • 電子工学および電気工学

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