Millimeter waves interference method for measuring critical temperature of cluster superconductors

M. N. Kotov; A. V. Prichodko; O. V. Smertin; S. G. Yastrebov; V. F. Masterov

doi:10.1117/12.183068

19 August 1994 Millimeter waves interference method for measuring critical temperature of cluster superconductors

M. N. Kotov, A. V. Prichodko, O. V. Smertin, S. G. Yastrebov, V. F. Masterov

Proceedings Volume 2211, Millimeter and Submillimeter Waves; (1994) https://doi.org/10.1117/12.183068
Event: Millimeter and Submillimeter Waves and Applications: International Conference, 1994, San Diego, CA, United States

Abstract

It has been reported recently that the diamagnetic response has been found in amorphous carbon films doped with copper, what have shown the superconducting state to be present in the films with a certain amount of copper at temperatures about 77 K. In this work the method of direct measurement of the critical temperature (T_C) has been proposed and the measurements have been carried out at microwave frequencies (37.9 GHz). The method is based on the observation of the interference of direct and reflected waves from the carbon sample. The T_C and (Delta) T_C of the samples were found to be 81.5 K and 1.5 K respectively.

Citation Download Citation

M. N. Kotov, A. V. Prichodko, O. V. Smertin, S. G. Yastrebov, and V. F. Masterov "Millimeter waves interference method for measuring critical temperature of cluster superconductors", Proc. SPIE 2211, Millimeter and Submillimeter Waves, (19 August 1994); https://doi.org/10.1117/12.183068

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