Structures and Superconducting Properties of Y-Ba-Cu-O Sputtered Films
- 1 November 1987
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 26 (11A) , L1907
- https://doi.org/10.1143/jjap.26.l1907
Abstract
Y-Ba-Cu-O thin films were prepared by an RF magnetron sputtering technique. When annealed at temperatures between 920°C and 1000°C the crystal structures of these films are orthorhombic, while when annealed at 1010°C the structures are tetragonal. Superconductivity can be observed for the orthorhombic films. Their critical temperature (T c) of superconducting becomes higher as the a-axis becomes shorter, and is independent of the b-axis value.Keywords
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