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

页码：182 / 186

页数：5

共 30 条

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