Bi4Ca3Sr3Cu4Oy ceramic fibers from crystallization of glasses
- 18 September 1989
- journal article
- conference paper
- Published by AIP Publishing in Applied Physics Letters
- Vol. 55 (12) , 1255-1257
- https://doi.org/10.1063/1.102469
Abstract
Bi4Ca3Sr3Cu4Oy glass fibers a few centimeters in length were prepared by melt spinning. After heat treatment at 830 °C, the fibers became superconducting. The x‐ray diffraction pattern revealed that the heat‐treated fibers have the 75 K phase as the major phase and Bi2 Sr2 CuO6 and CuO as minor phases. The resistivity measurement showed that the onset superconducting temperature of the fibers was ∼80 K.Keywords
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