LITHIUM SUBSTITUTED SUPERCONDUCTING Y1BA2CU4O8 FORMED IN ELEVATED OXYGEN-PRESSURE

被引：8
|
作者：
CHANDRACHOOD, MR [1 ]
SINHA, APB [1 ]
MORRIS, DE [1 ]
SURNOW, JS [1 ]
机构：
[1] MORRIS RES INC,1918 UNIV AVE,BERKELEY,CA 94704
来源：
PHYSICA C | 1992年 / 192卷 / 1-2期
关键词：
D O I：
10.1016/0921-4534(92)90749-3
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Partial substitution of lithium in Y1Ba2Cu4O8 has been accomplished by reacting the constituent oxides with LiOH.H2O at elevated oxygen pressure (200 bar). T(c) falls gradually at a rate of approximately 2 K/at.% of lithium added, up to the solubility limit of approximately 0.13 Li/formula unit. When Li content is increased further T(c) remains nearly constant at 57-58 K and the volume fraction of the superconducting phase decreases progressively.
引用
收藏
页码：103 / 107
页数：5
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