SURFACE PHONON AND ELECTRONIC-STRUCTURE OF A GRAPHITE MONOLAYER FORMED ON ZRC(111) AND (001) SURFACES

被引：26

作者：

HWANG, Y ^{[1
]}

AIZAWA, T ^{[1
]}

HAYAMI, W ^{[1
]}

OTANI, S ^{[1
]}

ISHIZAWA, Y ^{[1
]}

PARK, SJ ^{[1
]}

机构：

[1] SEOUL NATL UNIV,DEPT INORGAN MAT ENGN,SEOUL 151,SOUTH KOREA

来源：

SURFACE SCIENCE | 1992年 / 271卷 / 1-2期

关键词：

D O I：

10.1016/0039-6028(92)90886-B

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 surface phonon dispersion relationship and electronic structure of a graphite monolayer on (111) and (001) surfaces of ZrC were studied by high-resolution electron energy loss and angle-resolved ultraviolet photoelectron spectroscopy. The graphite monolayer on the (111) surface shows larger softening in phonon structures and decreased pi-band initial state energy than on the (001) surface. These phenomena were discussed in the viewpoint of charge transfer from the substrate to the graphite overlayer and it was revealed that there was much more charge transfer for the C/ZrC(111) system than for the C/ZrC(001) system.

引用

页码：299 / 307

页数：9

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