PHOTOEMISSION-STUDY OF DIAMOND (100) SURFACE

被引：26

作者：

WU, J

CAO, R

YANG, X

PIANETTA, P

LINDAU, I

机构：

来源：

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS | 1993年 / 11卷 / 04期

关键词：

D O I：

10.1116/1.578439

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The electronic structure of the diamond C (100)-(2 X 1)/(2 X 2) has been investigated by means of angle-resolved photoelectron spectroscopy for the first time. A surface-related shift has been observed in the C Is core-level spectrum. The surface-state band dispersion was measured along the symmetry axis GAMMA-J' in the surface Brillouin zone. For k(parallel-to) = 0, there is a very pronounced surface state 1.5 eV below Fermi level E(F), and it disperses downwards with increasing k(parallel-to). Near the boundary of the surface Brillouin zone J, we find two states with binding energies of 1.9 and 2.4 eV with respect to E(F).

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页码：1048 / 1051

页数：4

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