Electronic structure of Cu(100)(2√ x √2)R45°-O surface:: angle-resolved photoemission spectroscopy and tight-binding calculation

被引：10

作者：

Sekiba, D ^{[1
]}

Inokuchi, T

Wakimoto, Y

Yagi-Watanabe, K

Fukutani, H

机构：

[1] Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 3058571, Japan

[2] Electrotech Lab, Tsukuba, Ibaraki 3058568, Japan

来源：

SURFACE SCIENCE | 2000年 / 470卷 / 1-2期

关键词：

angle resolved photoemission; low index single crystal surfaces; surface relaxation and reconstruction; copper; oxygen; semi-empirical models and model calculations;

D O I：

10.1016/S0039-6028(00)00836-0

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 electronic structure of Cu(1 0 0)(2 root2 x root2)-O surface is investigated by angle resolved ultraviolet photoemission spectroscopy with p- and s-polarized light. A tight-binding two-dimensional energy band calculation is successfully made to reproduce the experimental band dispersions. In the calculation, the parameters (Slater-Koster two-center integrals) determined for Cu(1 1 0)p(2 x 1)-O surface are used except the on-sire energy of oxygen 2p state. Those parameters reproduce the oxygen induced bonding states along <(<Gamma>)over bar>-(Y) over bar and the anti-bonding states along <(<Gamma>)over bar>-(M) over bar quantitatively. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：43 / 52

页数：10

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