Ternary compounds in the Y-Ag-Al system and their crystal structures

被引：12
|
作者：
Stel'makhovych, BM [1 ]
Gumenyuk, TM [1 ]
Kuz'ma, YB [1 ]
机构：
[1] Ivan Franko State Univ Lviv, Dept Analyt Chem, UA-79005 Lviv, Ukraine
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2000年 / 298卷 / 1-2期
关键词：
yttrium silver aluminides; Y-Ag-Al compounds; crystal structure;
D O I：
10.1016/S0925-8388(99)00634-9
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 crystal structures of new ternary compounds Y8Ag19.4Al46.6 (space group 14/mmm, Yb8Cu17Al49-type structure, a=0.88177(3), c=1.66994(8) nm, R-1=0.072) and Y3Ag1.5Al9.5 (space group Immm, La3Al11-type structure, a=0.42827(1), b=1.26026(3), c= 1.00312(3) nm. R-1 =0.081) have been determined for the first time. The atomic coordinates and the Ag and Al atom distributions in YAg5.2Al6.8 (TnMn(12)-type structure), Y1.8Ag8.3Al8.7 (Th2Ni17-type structure) and YAg2.5Al2.7 (DyAg2.4Al2.6-type structure) have been refined. (C) 2000 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：164 / 168
页数：5
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