COPPER INTERCALATION IN 1T-TAS2

被引：32

作者：

PETTENKOFER, C ^{[1
]}

JAEGERMANN, W ^{[1
]}

PARKINSON, BA ^{[1
]}

机构：

[1] DUPONT CO,DEPT CENT RES & DEV,WILMINGTON,DE 19880

来源：

SURFACE SCIENCE | 1991年 / 251卷

关键词：

D O I：

10.1016/0039-6028(91)91059-7

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：

Cu evaporated onto the (0001) cleavage plane of 1T-TaS2 is completely intercalated into the layered compound as a Cu(I) species. Even for higher doses no metallic overlayer is observed. The nearly commensurate square-root 13 x square-root 13 superstructure due to periodic lattice distortions is transformed into a 3 x 3 superstructure. In the UP-spectra of the intercalation compound the opening of a small gap at the valence band edge is observed. The metal to semiconductor transition at 180 K is lost for the intercalation compound.

引用

页码：583 / 586

页数：4

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