Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
64 (1994), S. 634-636
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Epitaxial YBa2Cu3O7−δ (YBCO) thin films were deposited on (100) MgO using platinum and SrRuO3 (SRO) buffer layers by pulsed laser deposition. The films were (001) textured normal to substrate surface with a high degree of in-plane orientation with respect to the substrate's major axes. YBCO films showed superconducting transition temperature (Tco) at 91 K and critical current densities were found to be 2–3×106 A/cm2 at 77 K and zero field. An ion beam minimum channeling yield of 16% was obtained for YBCO films, indicating high crystallinity. The orientation relationship for this epitaxial multilayer structure was found to be (100) YBCO(parallel)(100) SRO(parallel)(100)Pt(parallel)(100) MgO. This result showed that high-quality superconducting thin films can be deposited on metal with an appropriate buffer layer.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.111965
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