ATOMIC IMAGING OF CAGE-LIKE STRUCTURES OF SILICON

被引：13

作者：

NISTOR, L ^{[1
]}

VANTENDELOO, G ^{[1
]}

AMELINCKX, S ^{[1
]}

CROS, C ^{[1
]}

机构：

[1] CNRS,CHIM SOLIDE LAB,F-33405 TALENCE,FRANCE

来源：

PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 1994年 / 146卷 / 01期

关键词：

D O I：

10.1002/pssa.2211460111

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Two types of cubic silicon-sodium compounds Na8Si46 and Na(x)Si136 (x < 11) formed by the stacking of tetrahedrally bound silicon polyhedra are studied by high resolution electron microscopy. The channels in both structures are directly revealed and depending on the type of polyhedra a tenfold or a twelvefold coordination is observed in projection. In the Na8Si46 compound no extended defects are observed, while in the Na(x)Si136 compound a high density of twins and stacking faults are present. The defect configuration is similar to the one observed in other diamond like structures.

引用

页码：119 / 132

页数：14

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