A novel metathesis route for the synthesis of La2CuO4 and its superconducting analogues:: synthesis of a new lithium-substituted derivative of La2CuO4

被引：3
|
作者：
Mandal, TK [1 ]
Vasanthacharya, NY [1 ]
Gopalakrishnan, J [1 ]
机构：
[1] Indian Inst Sci, Solid State & Struct Chem Unit, Bangalore 560012, Karnataka, India
来源：
JOURNAL OF MATERIALS CHEMISTRY | 2002年 / 12卷 / 03期
关键词：
D O I：
10.1039/b106806g
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The metathesis reaction, Li2CuO2 + 2 LnOCl-->Ln(2)CuO(4) + 2 LiCl, (Ln = La, Nd), provides a convenient route for the synthesis of La2CuO4 and Nd2CuO4 at relatively low temperatures (700-800degreesC). Use of Sr/Ba- substituted LaOCl in the above reaction enables synthesis of superconducting analogues, La(1.85)A(0.15)CuO(4) (A = Sr, Ba), as well. A new lithium-substituted derivative of nominal composition La1.8Li0.2CuO4 has also been synthesized in the metathesis reaction between Li2CuO2 and La(OH)(3) .
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收藏
页码：635 / 638
页数：4
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