CRYSTAL-STRUCTURE AND SUPERCONDUCTIVITY IN RE2SI

被引:3
|
作者
SIEGRIST, T [1 ]
GREEDAN, JE [1 ]
GARRETT, JD [1 ]
WENHE, G [1 ]
STAGER, CV [1 ]
机构
[1] MCMASTER UNIV,INST MAT RES,HAMILTON L8S 4M1,ONTARIO,CANADA
来源
JOURNAL OF THE LESS-COMMON METALS | 1991年 / 171卷 / 02期
关键词
Crystals; -; Structure;
D O I
10.1016/0022-5088(91)90140-Y
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 rhenium-rich phase Re2Si crystallizes in a monoclinic unit cell, a = 6.4444(2) angstrom, b = 5.3898(2) angstrom, c = 9.6019(4) angstrom, gamma = 94.215(5)-degrees (unique axis c, Pearson symbol mP24, Z = 8 and space group P2(1)/b. The structure is based on a hexagonal close packing of rhenium and silicon atoms ordered on distinct sites and represents a new structure type. Re2Si becomes superconducting below 3.8 K.
引用
收藏
页码:171 / 177
页数:7
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