Temperature dependence of the cation distribution in nickel aluminate spinel from thermodynamics and X-rays

被引：18

作者：

Han, YS ^{[1
]}

Li, JB ^{[1
]}

Ning, XS ^{[1
]}

Chi, B ^{[1
]}

机构：

[1] Tsing Hua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 10084, Peoples R China

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2005年 / 88卷 / 12期

关键词：

D O I：

10.1111/j.1551-2916.2005.00603.x

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The single crystal NiAl2O4 was prepared by a solid-state reaction. The change of its cation distribution with temperature was calculated by a modified thermodynamic equation by including a new parameter delta, which is a characteristic of nonconfiguration entropy. The calculated results showed that the degree of inversion for NiAl2O4 decreases with temperature, although the temperature dependence of cation distribution is very weak. This result was supported by X-ray diffraction measurement.

引用

页码：3455 / 3457

页数：3

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