SITE SELECTIVE BEHAVIOR OF ALKALI-METALS IN BINARY DOPED C-60

被引:24
作者
HIROSAWA, I
TANIGAKI, K
MIZUKI, J
EBBESEN, TW
SHIMAKAWA, Y
KUBO, Y
KUROSHIMA, S
机构
[1] Fundamental Research Laboratories, NEC Corporation, Tsukuba, Ibaraki, 305, 34, Miyukigaoka
关键词
Alkali Metal Compounds - X-Ray Analysis - Carbon - Doping - Crystals - Atomic Structure - Superconducting Materials - Doping;
D O I
10.1016/0038-1098(92)90732-O
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The site selective behavior of binary doped C60 superconductors with compositions of A2Cs1C60 and A1Cs2C60 ( A=Na, K, Rb ) was observed by X-ray diffraction. All the A2Cs1C60's indicate the ordering between octahedral and tetrahedral sites, while the situations for the A1Cs2C60 compositions are different depending on the kind of metal A. It is shown that the relationship between the ionic radius of metal A and the size of tetrahedral site plays an important role in site selectivity.
引用
收藏
页码:979 / 982
页数:4
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