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Preparation of High Tc Oxide Superconducting Tape by Rf Magnetron Sputtering

Published online by Cambridge University Press:  28 February 2011

M. Fukutomi ,
Y. Tanaka ,
T. Asano ,
H. Maeda  and
H. Takahara
M. Fukutomi
Affiliation:
National Research Institute for Metals. Tsukuba Laboratories, Tsukubashi, Ibaraki, Japan
Y. Tanaka
Affiliation:
National Research Institute for Metals. Tsukuba Laboratories, Tsukubashi, Ibaraki, Japan
T. Asano
Affiliation:
National Research Institute for Metals. Tsukuba Laboratories, Tsukubashi, Ibaraki, Japan
H. Maeda
Affiliation:
National Research Institute for Metals. Tsukuba Laboratories, Tsukubashi, Ibaraki, Japan
H. Takahara
Affiliation:
Mitsui Mining & Smelting Co., LTD., Central Research Laboratory, Ageo-shi Sai tama, Japan
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Abstract

The feasibility of preparing YBaCuO films on metallic substrates is discussed in an attempt to fabricate a superconducting tape. Deposition method employed was an rf magnetron sputtering. An amorphous MgO thin layer was found to be a promising buffer layer. The highest zero resistance temperature was 84.0 K in its as grown state, and a critical current density was 4.8x10 A/cm2 at zero field and 77.4 K. Preliminary experiments using laser ablation technique were also carried out to obtain YBaCuO films at a rather high deposition rate.

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References

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