ELECTRONIC STATES OF MONOLAYER GRAPHITE FORMED ON TIC(111) SURFACE

被引：86

作者：

NAGASHIMA, A ^{[1
]}

NUKA, K ^{[1
]}

ITOH, H ^{[1
]}

ICHINOKAWA, T ^{[1
]}

OSHIMA, C ^{[1
]}

OTANI, S ^{[1
]}

机构：

[1] NATL INST RES INORGAN MAT,TSUKUBA,IBARAKI 305,JAPAN

来源：

SURFACE SCIENCE | 1993年 / 291卷 / 1-2期

关键词：

D O I：

10.1016/0039-6028(93)91480-D

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：

Electronic states of a monolayer graphite formed on TiC(111) surface have been investigated by means of XPS, UPS, and work-function measurement. The chemical shift of C1s peaks in XPS spectra has inhibited a large electron transfer from the substrate to the monolayer graphite. On the other hand, the band structure of the graphite overlayer has altered from that of bulk graphite. The work-function measurement has suggested an electron redistribution in the graphite layer. These results indicate that the electronic states of the graphite monolayer are modified not by the charge transfer, but mainly by the orbital hybridization between the graphite monolayer and the substrate, which differs from graphite intercalation compounds.

引用

页码：93 / 98

页数：6

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