High Tc Superconductivity of Y-Ba-Cu-O Ceramics
- 1 May 1987
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 26 (5A) , L754
- https://doi.org/10.1143/jjap.26.l754
Abstract
The superconductivity and structure was studied in Y-Ba-Cu-O ceramics. BaCO3, Y2O3, CuO were mixed at a composition of YBa2Cu3O6.5, calcined at 900°C for 5 h, and sintered under various conditions. The critical temperature was 90 K for the ceramic sintered at 950°C for 10 h. The structure was analyzed with scanning electron microscope, X-ray diffraction, X-ray photoelectron spectroscopy, and Raman spectroscopy.Keywords
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