Dielectric anomalies in monoclinic TlInS2 polytypes

被引：0
|
作者：
O. Z. Alekperov
A. I. Nadjafov
机构：
[1] Academy of Sciences of Azerbaijan,Abdullaev Institute of Physics
来源：
Inorganic Materials | 2004年 / 40卷
关键词：
Phase Transition; Inorganic Chemistry; Diffraction Data; Cell Parameter; Sharp Peak;
D O I：
暂无
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学科分类号：
摘要：
—Comparison of room-temperature x-ray diffraction data and temperature-dependent (190–220 K) permittivity data for different polytypes of monoclinic TlInS2 demonstrates that the anomalies in ε(T) at the phase transition correlate with the c cell parameter of the polytypes. The ε(T) curve of single-phase crystals with c ≃ 15 Å shows a single, sharp peak at about 205 K. The peaks in the ε of the polytypes with c ≃ 30 and 60 Å occur at other temperatures, indicating that permittivity data near the phase transition can be used to identify the polytypes present in TlInS2 crystals.
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页码：1248 / 1251
页数：3
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