Synthesis and crystal structure of PdSnTe

被引：2
|
作者：
Laufek, F. [1 ]
Vymazalova, A. [1 ]
Navratil, J. [2 ,3 ]
Drabek, M. [1 ]
Plasil, K. [4 ]
Plechacek, T. [2 ,3 ]
机构：
[1] Czech Geol Survey, Prague 15200 5, Czech Republic
[2] Joint Lab Solid State Chem IMC AS CR, Pardubice 53210, Czech Republic
[3] Univ Pardubice, Pardubice 53210, Czech Republic
[4] Charles Univ Prague, Fac Sci, Prague 12843 2, Czech Republic
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 468卷 / 1-2期
关键词：
PdSnTe; Crystal structure; X-ray powder diffraction; Electrical conductivity;
D O I：
10.1016/j.jallcom.2008.01.065
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The compound with composition PdSnTe was prepared by heating of stoichiometric amount of Pd, Sn and Te in silica glass tube at 400 C. Its crystal structure was refined by Rietveld method using conventional X-ray powder diffraction data. PdSnTe shows orthorhombic symmetry, space group Pbca with unit cell parameters a = 6.5687(2), b = 6.6029(2), c = 12.9949(4) A, V = 558.8(1) A(3) and Z= 8. The title compound can be viewed its a ternary-ordered variant of alpha-NiAs(2)-type structure, it is isostructural with PtSiTe. Temperature dependence of electrical Conductivity and Hall coefficient are presented, it suggests semimetallic or strongly degenerated semiconductor behaviour of the prepared compound. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：69 / 72
页数：4
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