Superconducting properties of high-Bi-Sr-Ca-Cu-O thin films
- 1 July 1988
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 38 (1), 765-767
- https://doi.org/10.1103/physrevb.38.765
Abstract
Polycrystalline thin films of the high-Tc Bi-Sr-Ca-Cu-O system have been grown on MgO substrates using an rf magnetron sputtering technique. The Bi-Sr-Ca-Cu-O thin films with a sharp superconducting transition were obtained after the post-annealing. The best sample exhibits the transition temperature of around 110 K with zero-resistance temperature of about 100 K. The critical current density of the Bi-Sr-Ca-Cu-O system is estimated to be 105 to 2×105 A/cm2 at 77 KKeywords
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