Interface analysis of the system Si/YBa2Cu3O7-x

C. Ziegler, F. Baudenbacher, H. Karl, H. Kinder, W. Göpel

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The influence of different preparation conditions and substrate surface orientations on the superconducting properties of thin YBa2Cu3O7-x (YBCO) films on silicon was studied. Comparative electrical and surface spectroscopic measurements were performed. SAM and SIMS depth profile analysis show an enrichment of barium at the interface between the superconductor and silicon for samples with Tc<76 K. Comparison with XPS data obtained for thin silicon films on YBCO indicates the formation of barium and yttrium silicates at the interface under these conditions.

Original languageEnglish
Pages (from-to)308-313
Number of pages6
JournalFresenius' Journal of Analytical Chemistry
Volume341
Issue number3-4
DOIs
StatePublished - Mar 1991

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