Transformation of Superconducting Phases in (Bi, Pb)-Sr-Ca-Cu-O during Post-Annealing
- 1 September 1989
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 28 (9A) , L1558
- https://doi.org/10.1143/jjap.28.l1558
Abstract
(Bi, Pb)SrCaCuO superconducting films have been successfully obtained from single-target DC sputtering, deposited on (100) MgO substrate, followed by an appropriate annealing treatment. By varying the post-annealing temperature and time, we can have 9 K (2201) or 80 K (2212) superconducting phase as desired. It is particularly interesting to find that the two phases can be transformed from one to the other reversibly, as confirmed by both crystal structure and transport measurement.Keywords
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