Magneto-optical observation of dynamic relaxation in YBa2Cu3O7-δ thin films

M. R. Koblischka, T. H. Johansen, H. Bratsberg, L. Půst, Y. Shen, P. Vase

研究成果: Article

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Using magneto-optical visualization of the flux in superconductors, the dependence of the flux distributions on the rate of sweep of the external magnetic field dHcxt/dt ('dynamic relaxation') is directly observed for YBa2Cu3O7-δ thin films patterned into small rectangles. The differences in the flux patterns are clearly detectable especially when the sample is not fully penetrated. Various ways of analysing the flux patterns in order to determine the dynamic relaxation rate Q quantitatively from the magneto-optical images are discussed.

元の言語English
ページ(範囲)10909-10918
ページ数10
ジャーナルJournal of Physics Condensed Matter
9
発行部数49
DOI
出版物ステータスPublished - 1997 12 8

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ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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