Observation of two in-plane epitaxial states in YBa2Cu 3O7-δ films on yttria-stabilized ZrO2

S. M. Garrison, Nathan Newman, B. F. Cole, K. Char, R. W. Barton

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Abstract

We demonstrate that two distinctly different in-plane epitaxial states of c-axis oriented YBa2Cu3O7-δ (YBCO) films on (100) yttria-stabilized ZrO2 (YSZ) single-crystal substrates can be produced independently, namely, YBCO [100]//YSZ [100] or YBCO [100]//YSZ [110]. Both in-plane epitaxial relationships can be modeled by matching YBCO and YSZ oxygen sublattices at the film-substrate interface. High critical current densities (Jc), ∼5×105-1×106 A/cm2 at 77 K, are achieved when ≳90 vol % of either orientation is present. Jc can be degraded nearly four orders of magnitude in films with mixed orientation.

Original languageEnglish (US)
Pages (from-to)2168-2170
Number of pages3
JournalApplied Physics Letters
Volume58
Issue number19
DOIs
StatePublished - 1991
Externally publishedYes

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sublattices
critical current
current density
single crystals
oxygen

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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Observation of two in-plane epitaxial states in YBa2Cu 3O7-δ films on yttria-stabilized ZrO2 . / Garrison, S. M.; Newman, Nathan; Cole, B. F.; Char, K.; Barton, R. W.

In: Applied Physics Letters, Vol. 58, No. 19, 1991, p. 2168-2170.

Research output: Contribution to journalArticle

Garrison, S. M. ; Newman, Nathan ; Cole, B. F. ; Char, K. ; Barton, R. W. / Observation of two in-plane epitaxial states in YBa2Cu 3O7-δ films on yttria-stabilized ZrO2 In: Applied Physics Letters. 1991 ; Vol. 58, No. 19. pp. 2168-2170.
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