Solid state phase equilibria in the Te-rich region of the RE (RE = Ce, Nd and Pr)-Sn-Te ternary systems

被引：2
|
作者：
Zhang, Guanghua [1 ]
Zhan, Yongzhong [1 ]
Luo, Fusheng [1 ]
Liang, Jianlie [2 ]
Li, Xianxiang [1 ]
Zhou, Weiping [1 ]
Gao, Qiannan [1 ]
机构：
[1] Guangxi Univ, Minist Educ, Lab Nonferrous Met Mat & New Proc Technol, Nanning 530004, Peoples R China
[2] Guangxi Univ Nationalities, Coll Phys & Elect Engn, Inst Mat Sci, Nanning 530006, Guangxi, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2010年 / 491卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
Phase diagrams; Metals and alloys; X-ray diffraction; THERMOELECTRIC PROPERTIES; THIN-FILMS; SNTE; GD;
D O I：
10.1016/j.jallcom.2009.11.010
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：
Phase relations in the Te-rich region (Te >= 50 at.%) of the light RE (RE = Ce, Nd and Pr)-Sn-Te systems at room temperature have been investigated by means of X-ray powder diffraction (XRD) and differential thermal analysis (DTA). The results indicate that the binary intermetallic phases of RETe3, RE3Te4, RETe and SnTe are found in the Te-rich region (Te >= 50 at.%) of the RE (RE = Ce, Nd and Pr)-Sn-Te systems at room temperature. The binary compounds RE4Te7 and RE2Te5 have only been observed in the Nd-Sn-Te and Pr-Sn-Te systems. No ternary compound is observed. The maximum solid solubility of the light rare earth elements, i.e. Ce, Nd and Pr in SnTe are determined to be about 3 at.%, 3.5 at.% and 2.5 at.%, respectively. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：182 / 186
页数：5
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