Bi4Sr3Ca3Cu4O16 galss and superconducting glass ceramics.
作者： Haixing Zheng , J. D. Mackenzie
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摘要: Bi/sub 4/Sr/sub 3/Ca/sub 3/Cu/sub 4/O/sub 16/ glass has been successfully fabricated by the melting process. Glass transition temperature, crystallization and liquid temperature of are 434, 478, 833 /sup 0/C, respectively. After is heat treated at 800 a ceramic formed. A comparison x-ray-diffraction pattern superconducting 16+//sub x/ to revealed preferred orientation in crystals. The temperatures T/sub c//sub (onset)/ (zero)/ ceramics 100 45 K,
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