Observation of two in-plane epitaxial states in YBa sub 2 Cu sub 3 O sub 7 minus. delta. films on yttria-stabilized ZrO sub 2

Journal Article · Mon May 13 00:00:00 EDT 1991 · Applied Physics Letters; (USA)

DOI:https://doi.org/10.1063/1.104995· OSTI ID:5812078

Garrison, S M; Newman, N; Cole, B F; Char, K; Barton, R W ^[1]

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1. Conductus, Inc., 969 West Maude Avenue, Sunnyvale, California 94086 (US)

We demonstrate that two distinctly different in-plane epitaxial states of {ital c}-axis oriented YBa{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} (YBCO) films on (100) yttria-stabilized ZrO{sub 2} (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 ({ital J}{sub {ital c}}), {similar to}5{times}10{sup 5}--1{times}10{sup 6} A/cm{sup 2} at 77 K, are achieved when {gt}90 vol % of either orientation is present. {ital J}{sub {ital c}} can be degraded nearly four orders of magnitude in films with mixed orientation.

• OSTI ID: 5812078
• Journal Information: Applied Physics Letters; (USA), Vol. 58:19; ISSN 0003-6951
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
BARIUM OXIDES
CRITICAL CURRENT
MICROSTRUCTURE
COPPER OXIDES
YTTRIUM OXIDES
CORRELATIONS
HIGH-TC SUPERCONDUCTORS
SUPERCONDUCTING FILMS
ZIRCONIUM OXIDES
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
CHALCOGENIDES
COPPER COMPOUNDS
CRYSTAL STRUCTURE
CURRENTS
ELECTRIC CURRENTS
FILMS
OXIDES
OXYGEN COMPOUNDS
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
ZIRCONIUM COMPOUNDS
360202* - Ceramics
Cermets
& Refractories- Structure & Phase Studies
360204 - Ceramics
Cermets
& Refractories- Physical Properties