The influence of cation impurities on phase transitions in the TlInS2 compound

被引：14

作者：

Sardarly, RM ^{[1
]}

Samedov, OA ^{[1
]}

Nadzhafov, AI ^{[1
]}

Sadykhov, IS ^{[1
]}

机构：

[1] Azerbaijan Acad Sci, Inst Radiat Problems, Baku 370143, Azerbaijan

来源：

PHYSICS OF THE SOLID STATE | 2003年 / 45卷 / 06期

关键词：

Chromium; Phase Transition; Manganese; Transition Temperature; Bismuth;

D O I：

10.1134/1.1583804

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The temperature dependences of the permittivity of TlInS2 crystals doped with 0.1 at. % Cr, Mn, Yb, Sm, Bi, or La are investigated, and the dependence of the phase transition temperature on the ion radius of the dopant impurity is determined. It is revealed that manganese and chromium substitute for indium in the TlInS2 crystal lattice, whereas ytterbium, samarium, bismuth, and lanthanum ions occupy octahedral holes in an In4S10 tetrahedral complex and, thus, produce an internal pressure responsible for the shift in the temperature of phase transitions toward the high-temperature range. (C) 2003 MAIK "Nauka/Interperiodica".

引用

页码：1137 / 1140

页数：4

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