Influence of pressure on the structural transition T' (type Nd2CuO4-type)->T/O (distorted K2NiF4-type) in the La(2-x)Nd(x)CuO4 oxides with x=0.60, 0.70, 1.20, 1.50 and 2.00

被引：0
|
作者：
Wilhelm, H [1 ]
Cros, C [1 ]
Arrouy, F [1 ]
Demazeau, G [1 ]
机构：
[1] INST CHIM MAT CONDENSEE BORDEAUX,CNRS,UPR 9048,F-33608 PESSAC,FRANCE
来源：
COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II FASCICULE B-MECANIQUE PHYSIQUE CHIMIE ASTRONOMIE | 1996年 / 322卷 / 05期
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暂无
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
A pressure-induced transition has been observed in a series of oxides with the formula La2-xNdxCuO4. The structural change is characterized by a decrease in volume per formula unit V/Z of 4% and an increase of the coordination number of both cations: 8 --> 9 for La3+ and Nd3+, and 4 --> 6 for CuO2+. The observed transition pressure increases with the substitution rate x, from 4.6 GPa for x = 0.60 up to about 25 GPa for x = 2.00.
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页码：437 / 443
页数：7
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