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Smooth surface of Bi-Sr-Ca-Cu-O thin films on the Y3Al5O12 (YAG) substrate

Published online by Cambridge University Press:  03 March 2011

Nobuhiko Kubota ,
Yuh Shiohara  and
Shoji Tanaka
Nobuhiko Kubota
Affiliation:
Superconductivity Research Laboratory, ISTEC, 10-13 Shinonome 1-Chome, Koto-ku, Tokyo 135, Japan
Yuh Shiohara
Affiliation:
Superconductivity Research Laboratory, ISTEC, 10-13 Shinonome 1-Chome, Koto-ku, Tokyo 135, Japan
Shoji Tanaka
Affiliation:
Superconductivity Research Laboratory, ISTEC, 10-13 Shinonome 1-Chome, Koto-ku, Tokyo 135, Japan
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Abstract

We prepared the superconducting Bi-Sr-Ca-Cu-O thin films on Y3Al5O12 (YAG) single crystal substrates by metal-organic chemical vapor deposition (MOCVD). This film of 50 nm thickness on a YAG substrate showed c-axis orientation clearly, and the zero-resistivity (Tc-zero) was achieved at 66 K. The film has the advantageous property of surface smoothness compared with the film fabricated on MgO and SrTiO3 single-crystal substrates. The surface property of the YAG substrate seems to influence the film quality.

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Type
Articles
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Journal of Materials Research , Volume 9 , Issue 5 , May 1994 , pp. 1104 - 1111
Copyright
Copyright © Materials Research Society 1994

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