THE EFFECT OF SEMI-WET SYNTHESIS ON THE FORMATION OF THE 2223 PHASE IN BI1.6PB0.4SR2CA2CU3OY COMPOSITION

被引:17
作者
PANDEY, D [1 ]
SINGH, AK [1 ]
MAHESH, R [1 ]
TIWARI, VS [1 ]
KAK, SK [1 ]
机构
[1] BANARAS HINDU UNIV,INST TECHNOL,DEPT ELECTR ENGN,VARANASI 221005,UTTAR PRADESH,INDIA
来源
PHYSICA C | 1991年 / 173卷 / 5-6期
关键词
D O I
10.1016/0921-4534(91)90750-S
中图分类号
O59 [应用物理学];
学科分类号
摘要
The superconducting composition Bi1.6Pb0.4Sr2Ca2Cu3O(y) has been synthesised by a novel semi-wet route involving solid-state thermochemical reactions between two precursors obtained by first coprecipitating Bi, Pb, Cu and Ca, Sr separately. It is shown that this route can yield samples with very high volume fraction of the 2223 phase whereas under identical heat treatment conditions, the dry route yields samples which are essentially 2212.
引用
收藏
页码:476 / 486
页数:11
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PANDEY D, IN PRESS