A relation between lattice parameters and lattice vibrations of solid solutions

被引:1
|
作者
Xu, KC [1 ]
Chen, Y [1 ]
机构
[1] Lanzhou Univ, Dept Chem, Lanzhou 730000, Gansu, Peoples R China
关键词
a formula; ionic crystal; solid solutions K1-xRbxNO3 (KII); lattice dynamic analysis;
D O I
10.1143/JPSJ.67.4128
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
A formula has been deduced, based on the simple binary ionic structure and fundamental concepts of lattice vibrations. IC combines both the mass and interatomic distance effects. This model accounted well for the observed frequency shifts of the 52 and 84 cm(-1) Lands of KNO3 II in the solid solutions of RbNO3 in KNO3 II (denoted as K1-xRbxNO3 (KII)). For ionic crystals containing planar NO3- our method appeared to work better than the lattice dynamic analysis based on the rigid ion model.
引用
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页码:4128 / 4130
页数:3
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