Scanning tunneling microscopic investigation of K-x(H2O)(y)MoS2

被引：34

作者：

Wypych, F

Weber, T

Prins, R

机构：

[1] ETH ZURICH,TECH CHEM LAB,CH-8092 ZURICH,SWITZERLAND

[2] UNIV FED PARANA,BR-81531990 CURITIBA,PARANA,BRAZIL

来源：

SURFACE SCIENCE | 1997年 / 380卷 / 01期

关键词：

molybdenum; scanning tunneling microscopy; single crystal surfaces; sulfides; superlattices; surface structure;

D O I：

10.1016/S0039-6028(97)00015-0

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 intercalation compound K-x(H2O)(y)MoS2 has been investigated by means of scanning tunneling microscopy. Ln contrast to 2H-MoS2, every Mo center in this compound is octahedrally surrounded by six sulfur ligands, whereas the hydrated K+ cations are located in the van der Waals gap between the layers. Analysis of the STM data showed that the surface structure within the (a,b) plane of K-x(H2O)(y)MoS2 is composed of parallel rows of sulfur atoms which are formed by sulfur ligands located at axial positions in the [MoS6] octahedra. Due to the distortion within the octahedra a wavy surface structure with an (axa root 3) superstructure is formed.

引用

页码：L474 / L478

页数：5

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