Relaxor Behavior of Ge-Doped TlInS2

被引：0
|
作者：
R. M. Sardarly
O. A. Samedov
I. Sh. Sadykhov
机构：
[1] Academy of Sciences of Azerbaijan,Institute of Radiation Research
来源：
Inorganic Materials | 2004年 / 40卷
关键词：
Experimental Data; Activation Energy; Inorganic Chemistry; Preexponential Factor; Relaxor Behavior;
D O I：
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中图分类号：
学科分类号：
摘要：
The dielectric and pyroelectric properties of Ge-doped (0.1 mol %) TlInS2 crystals are studied. The results demonstrate that TlInS2 is a ferroelectric relaxor. The experimental data are used to evaluate, using the Vogel–Fulcher relation, the activation energy (0.045 eV), preexponential factor (f0 = 2 × 1013 Hz), and the dipole-freezing temperature (TF = 142 K) and to determine the temperature range of the stable relaxor (nanodomain) state and the temperature of the transition to the ferroelectric (macrodomain) state, accompanied by an anomaly in the temperature-dependent pyroelectric coefficient.
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页码：1018 / 1022
页数：4
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