Synthesis, crystallographic studies, and characterization of K2Bi8Se13-xSx solid solutions

被引：13
|
作者：
Kyratsi, T
Kanatzidis, MG [1 ]
机构：
[1] Michigan State Univ, Dept Chem, E Lansing, MI 48824 USA
[2] Michigan State Univ, Ctr Fundamental Mat Res, E Lansing, MI 48824 USA
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2003年 / 629卷 / 12-13期
关键词：
bismuth; selenium; chalcogenides; thermoelectric properties;
D O I：
10.1002/zaac.200300213
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The detailed crystal structures of selected members of solid solutions of the thermoelectric compounds K2Bi8Se13-xSx with x = 4, x = 6 and x = 10 were determined. The purpose of this study was to understand the nature of Se/S mass fluctuations introduced when beta-K2Bi8Se13 is alloyed with isostructural K2Bi8S13. The details of the K/Bi disorder and Se/S distribution are examined. Lattice parameters, semiconducting band gaps and melting points are reported as function of x.
引用
收藏
页码：2222 / 2228
页数：7
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