Microwave Characterization Of Bulk And Powdered High-Tc Superconductors

A. Meulenberg; H-L. A. Hung; G. H. Tough

doi:10.1117/12.978435

18 November 1989 Microwave Characterization Of Bulk And Powdered High-Tc Superconductors

A. Meulenberg, H-L. A. Hung, G. H. Tough

Proceedings Volume 1039, 13th Intl Conf on Infrared and Millimeter Waves; (1989) https://doi.org/10.1117/12.978435
Event: 13th International Conference on Infrared and Millimeter Waves, 1987, Honolulu, HI, United States

Abstract

A versatile microwave/millimeter-wave characterization technique using cylindrical resonance cavities has been implemented which allows measurement of the absorption and sheet resistivity of high-temperature superconductor (HTS) powders, films, and bulk samples. Copper and YBa2Cu307_x (1-2-3) powders were compared with bulk samples to provide input for a simple model of microwave conductivity in bulk HTS materials. While the conductivity of copper metal is more than twice that of bulk YBa2Cu307_x at 77 K, the conductivity of copper powder at this temperature is less than that of the HTS powder.

Citation Download Citation

A. Meulenberg, H-L. A. Hung, and G. H. Tough "Microwave Characterization Of Bulk And Powdered High-Tc Superconductors", Proc. SPIE 1039, 13th Intl Conf on Infrared and Millimeter Waves, (18 November 1989); https://doi.org/10.1117/12.978435

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