Crystal structure, conductivity, and magnetic susceptibility of Er2Te3

被引：0
作者：
Stowe, K [1 ]
机构：
[1] Univ Saarland, Inst Anorgan & Analyt Chem & Radiochem, D-66041 Saarbrucken, Germany
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1998年 / 624卷 / 05期
关键词：
erbium sesquitelluride; chemical vapour transport; crystal structure; conductivity; magnetic susceptibility;
D O I：
10.1002/(SICI)1521-3749(199805)624:5<872::AID-ZAAC872>3.0.CO;2-J
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Via a chemical vapour transport reaction with ErCl3 as transporting agent, single crystals of Er2Te3 up to a size of 1.5 mm are available. X-ray structure analysis revealed for the compound the Sc2S3-type with the space group Fddd and the lattice parameters a = 1212.7(2) pm, b = 858.1(2) pm and c = 2572.8(4) pm (Z = 16). According to measurements of the fundamental absorption (DRIFT) the compound is a semiconductor with a band gap of 0.77(5) eV. Magnetic susceptibility measurements revealed paramagnetic behaviour in the temperature range 5-300 K with mu(p) = 9.07 B.M. and theta(p) = -4.3 K.
引用
收藏
页码：872 / 876
页数：5
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