Electrochemical deposition of high Tc superconducting thin films

Micha Tomkiewicz; Wen Bao Zhang; Marcia C.A. Fantini; P. M. Montano; Wu-Mian Shen; Jianguo Zhao; M. S. Seehra

doi:10.1117/12.20881

1 October 1990 Electrochemical deposition of high Tc superconducting thin films

Micha Tomkiewicz, Wen Bao Zhang, Marcia C.A. Fantini, P. M. Montano, Wu-Mian Shen, Jianguo Zhao, M. S. Seehra

Proceedings Volume 1287, High Tc Superconductivity: Thin Films and Applications; (1990) https://doi.org/10.1117/12.20881
Event: Advances in Semiconductors and Superconductors: Physics Toward Devices Applications, 1990, San Diego, CA, United States

Abstract

Thin films of quaternary metal oxides, that are superconducting at temperatures above 77°K, were prepared by electrodeposition of the cations from aqueous electrolytes. The resulting deposits were thermally annealed . We will report the procedure for the electrodeposition of YBa2Cu3O7_delta (The "1-2-3" compound). X-ray diffraction demonstrates clearly the predominant presence of the 1-2-3 phase with minor contamination from other oxides. Conductivity measurements show a transition to the superconducting state around 98°K. Magnetic susceptibility measurements show a transition to a diamagnetic phase around 50°K. Scanning Electron Microscopy shows that the films are porous.

Citation Download Citation

Micha Tomkiewicz, Wen Bao Zhang, Marcia C.A. Fantini, P. M. Montano, Wu-Mian Shen, Jianguo Zhao, and M. S. Seehra "Electrochemical deposition of high Tc superconducting thin films", Proc. SPIE 1287, High Tc Superconductivity: Thin Films and Applications, (1 October 1990); https://doi.org/10.1117/12.20881

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