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Resistivity measurement of an a-axis-oriented YBa2Cu3O7–δ thin film at 450-650 °C

Published online by Cambridge University Press:  31 January 2011

Toshio Usui ,
Akira Oishi ,
Hidekazu Teshima ,
Kazumi Ohata  and
Tadataka Morishita
Toshio Usui
Affiliation:
Superconductivity Research Laboratory, ISTEC, 1-10-13 Shinonome, Koto-ku, Tokyo 135, Japan
Akira Oishi
Affiliation:
Superconductivity Research Laboratory, ISTEC, 1-10-13 Shinonome, Koto-ku, Tokyo 135, Japan
Hidekazu Teshima
Affiliation:
Superconductivity Research Laboratory, ISTEC, 1-10-13 Shinonome, Koto-ku, Tokyo 135, Japan
Kazumi Ohata
Affiliation:
Superconductivity Research Laboratory, ISTEC, 1-10-13 Shinonome, Koto-ku, Tokyo 135, Japan
Tadataka Morishita
Affiliation:
Superconductivity Research Laboratory, ISTEC, 1-10-13 Shinonome, Koto-ku, Tokyo 135, Japan
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Abstract

Resistivity measurement of an a-axis-oriented YBa2Cu3O7-δ (YBCO) thin film was carried out in a stream of O2/Ar mixtures at 450–650 °C. Rapidly reversible change in the resistivity of the YBCO film was observed as a function of the oxygen partial pressure in the ambient atmosphere due to the oxygen in-/out-diffusion in the YBCO film. Resistivity measurement of YBCO thin films at higher temperatures of 450–650 °C was found to be quite effective to predict the influence of fabricating processes on the superconducting properties of YBCO films.

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Type
Articles
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Journal of Materials Research , Volume 8 , Issue 4 , April 1993 , pp. 705 - 708
Copyright
Copyright © Materials Research Society 1993

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References

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