Preparation of Y2Ba4Cu8O20-x thin films by thermal coevaporation

D. D. Berkley, D. H. Kim, B. R. Johnson, A. M. Goldman, M. L. Mecartney, K. Beauchamp, J. Maps

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


We report on the preparation of Y2Ba4Cu 8O20-x ("248") thin films by coevaporation using a combination of electron beam and Knudsen cell vapor sources. Our best film shows a superconducting onset at 80 K and zero resistance at 72 K. The x-ray diffraction patterns show nearly single phase "248" with a small YBa 2Cu3O7-x ("123") impurity. It has been our experience that films can be annealed at least twice without displaying any shift in diffraction peak position.

Original languageEnglish (US)
Pages (from-to)708-709
Number of pages2
JournalApplied Physics Letters
Issue number8
StatePublished - 1988

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Copyright 2008 Elsevier B.V., All rights reserved.


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