TRANSPORT-PROPERTIES OF THE PERCOLATION SYSTEM YBA2CU3O7-DELTA-YBA2SNO5.5

被引:21
|
作者
KOSHY, J
PAULOSE, KV
JAYARAJ, MK
DAMODARAN, AD
机构
[1] Regional Research Laboratory (CSIR)
来源
PHYSICAL REVIEW B | 1993年 / 47卷 / 22期
关键词
D O I
10.1103/PhysRevB.47.15304
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Percolation behavior of normal-state resistivity and superconductivity of YBa2Cu3O7-delta-YBa2SnO5.5 composites have been studied. The normal-state and superconducting percolation-threshold values are found to be about 20 vol % of YBa2Cu3O7-delta in the composite. The x-ray-diffraction and resistivity measurements on the above percolation system have shown that there is no detectable reactivity between YBa2Cu3O7-delta and a nonmetal ceramic YBa2SnO5.5 even when the two substances are mixed thoroughly and sintered at 1050-degrees-C. The implications are discussed.
引用
收藏
页码:15304 / 15307
页数:4
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