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Single target sputtering of superconducting YBa/sub 2/Cu/sub 3/O/sub 7-//sub delta/ thin films on Si (100)

Journal Article · · Appl. Phys. Lett.; (United States)
DOI:https://doi.org/10.1063/1.101557· OSTI ID:6443973
Thin films of YBa/sub 2/Cu/sub 3/O/sub 7-//sub delta/ have been grown on (100) silicon substrates by single target rf diode sputtering. Yttria-stabilized zirconia buffer layers were used to minimize substrate-film reactions. Off-stoichiometric targets were used to compensate for differences between film and target stoichiometries. The composition of the superconducting layer is also influenced by post-deposition anneals, with films closer to the desired stoichiometry resulting from the higher temperature anneals. Film thicknesses spanned the 0.5--2.0 ..mu..m range and the onset and zero resistance ( rho<10/sup -7/ ..cap omega.. cm) temperatures were found to be 95 and 70 K, respectively, for 1.8-..mu..m-thick films.
Research Organization:
Department of Electrical and Computer Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213-3890
OSTI ID:
6443973
Journal Information:
Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 54:9; ISSN APPLA
Country of Publication:
United States
Language:
English

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