Contactless measurement of the transition temperature for large area high Tc films

J. G. Fang; Yulin Yang; Wenwei Mao; Zhong-Wan Gao; M. L. Liu

doi:10.1117/12.190724

26 October 1994 Contactless measurement of the transition temperature for large area high T_c films

J. G. Fang, Yulin Yang, Wenwei Mao, Zhong-Wan Gao, M. L. Liu

Proceedings Volume 2364, Second International Conference on Thin Film Physics and Applications; (1994) https://doi.org/10.1117/12.190724
Event: Thin Film Physics and Applications: Second International Conference, 1994, Shanghai, China

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.

Citation Download Citation

J. G. Fang, Yulin Yang, Wenwei Mao, Zhong-Wan Gao, and M. L. Liu "Contactless measurement of the transition temperature for large area high T_c films", Proc. SPIE 2364, Second International Conference on Thin Film Physics and Applications, (26 October 1994); https://doi.org/10.1117/12.190724

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