X-RAY AND NEUTRON-DIFFRACTION STUDIES OF LIQUID TL-SE SYSTEM

被引：3

作者：

KAMEDA, Y ^{[1
]}

UEMURA, O ^{[1
]}

HANGAI, K ^{[1
]}

SATOW, T ^{[1
]}

机构：

[1] YAMAGATA UNIV,GRAD SCH,YAMAGATA 990,JAPAN

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1990年 / 117卷

关键词：

D O I：

10.1016/0022-3093(90)90884-O

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The composition dependence of the structure for liquid TlxSe1-x (x=0.4, 0.5 and 0.667) was investigated by means of X-ray and TOF neutron diffractions. The difference in experimental total structure factors from both radiations was used to infer the feature of partial structural functions for each composition. A significant structural change was found between these compositions. The nearest neighbour peak at r=2.4 A ̊ in the SeSe distribution function observed at x=0.4 and 0.5, agrees well with that in pure liquid Se, indicating the existence of SeSe chains at these compositions. On the other hand, this SeSe peak disappears at x=0.667. The liquid structure at this composition may be considered to have a short-range order characteristic of the crystalline Tl2Se. © 1990.

引用

页码：84 / 87

页数：4

共 6 条

[1] THE STRUCTURE AND ELECTRONIC-PROPERTIES OF LIQUID SEMICONDUCTORS .3. STRUCTURAL EVIDENCE FOR IONICITY IN LIQUID TL2TE [J].