The crystal structure of La5Si4 and Nd5Si4

被引：18
|
作者：
Yang, HF
Rao, GH
Chu, WG
Liu, GY
Ouyang, ZW
Liang, JK
机构：
[1] Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China
[2] Chinese Acad Sci, Ctr Condensed Matter Phys, Beijing 100080, Peoples R China
[3] Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2002年 / 334卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
rare earth compounds; crystal structure; X-ray diffraction;
D O I：
10.1016/S0925-8388(01)01753-4
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：
0The crystal structures of La5Si4 and Nd5Si4 were studied by X-ray powder diffraction (XRD). Both of these compounds crystallize in the tetragonal Zr5Si4 type structure with space group P4(1)2(1)2. The Rietveld powder diffraction profile fitting technique was used for the refinement of the crystal structure. The lattice parameters are a=8.0467(0) Angstrom, c=15.4476(1) Angstrom for La5Si4 and a=7.8694(0) Angstrom, c=14.8077(1) Angstrom for Nd5S4. Atomic occupations, interatomic distances and coordination polyhedra in La5Si4 and Nd5Si4 were derived. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：131 / 134
页数：4
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