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High-Tc Superconducting Films of Y-Ba-Cu Oxide Prepared by a CO2 Laser Beam Evaporation

Published online by Cambridge University Press:  28 February 2011

K. Tachikawa ,
I. Atanabe ,
S. Kosuge  and
M. Ono
K. Tachikawa
Affiliation:
Department of Materials Science, Tokai University, Hiratsuka, Kanagawa 259–12, Japan
I. Atanabe
Affiliation:
Steel Research Center, Nippon Kokan K.K., Kawasaki-ku, Kawasaki 210, Japan
S. Kosuge
Affiliation:
Steel Research Center, Nippon Kokan K.K., Kawasaki-ku, Kawasaki 210, Japan
M. Ono
Affiliation:
Steel Research Center, Nippon Kokan K.K., Kawasaki-ku, Kawasaki 210, Japan
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Abstract

The high-Tc YBCO superconducting films have been prepared using a cw CO2 laser evaporation from a single bulk target. The adjustment of the target composition, especially the yttrium concentration, was found to be a key factor to achieve a desired film composition. After post-annealing at 930°C, the films deposited on YSZ substrate exhibited a zero resistance temperature of 85K. The deposition rate of the films was about lOOA/sec.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 99: Symposium AA – High-Temperature Superconductors , 1987 , 723
Copyright
Copyright © Materials Research Society 1988

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References

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