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Proceedings Paper

Contactless measurement of the transition temperature for large area high Tc films
Author(s): J. G. Fang; Yulin Yang; Wenwei Mao; Zhong-Wan Gao; M. L. Liu
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Paper Abstract

The noncontact electromagnetic induction method for measuring the transition temperature of large area high Tc films is described. This technique rely on the variation of the mutual inductance between two coils. Our designed system can detect the large area samples which diameter more than 10 mm. In addition, the apparatus can measure many positions on same sample simultaneously by a personal computer. Transition temperature may be measured with a precision of 0.2 K. The temperature range can cover 64-300 K using a platinum resistor as temperature sensor in liquid nitrogen cryostat.

Paper Details

Date Published: 26 October 1994
PDF: 4 pages
Proc. SPIE 2364, Second International Conference on Thin Film Physics and Applications, (26 October 1994); doi: 10.1117/12.190724
Show Author Affiliations
J. G. Fang, Tsinghua Univ. (China)
Yulin Yang, Tsinghua Univ. (China)
Wenwei Mao, Tsinghua Univ. (China)
Zhong-Wan Gao, Tsinghua Univ. (China)
M. L. Liu, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 2364:
Second International Conference on Thin Film Physics and Applications
Shixun Zhou; Yongling Wang; Yi-Xin Chen; Shuzheng Mao, Editor(s)

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