EuSe as magneto-optical active coating for use with the high resolution Faraday effect

Th Schuster, M. R. Koblischka, B. Ludescher, N. Moser, H. Kronmüller

Research output: Contribution to journalArticle

63 Citations (Scopus)

Abstract

The high resolution Faraday effect requires a magneto-optical active thin film coating for observations of penetrated flux in superconductors. The use of EuSe for this coating offers many advantages, such as better handling during the evaporation process and a higher achievable contrast compared to the 'classical' mixture of EuS and EuF2. In this paper the apparatus is described and the conditions discussed for achieving optimal thickness of the magneto-optical layer. This technique was used for observations of penetrating flux in niobium and in the high Tc superconductors YBa2Cu3O7-δ (single crystals, sintered specimens and epitaxial thin films) and Bi2Sr2CaCu2O8-δ single crystals.

Original languageEnglish
Pages (from-to)811-816
Number of pages6
JournalCryogenics
Volume31
Issue number9
DOIs
Publication statusPublished - 1991 Sep
Externally publishedYes

Keywords

  • Faraday effect
  • flux penetration
  • high T superconductors

ASJC Scopus subject areas

  • Materials Science(all)
  • Physics and Astronomy(all)

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