Oxidation of the Cu(100)c(2x2)-Mn surface: epitaxial manganese oxide

被引：8

作者：

Knight, PJ ^{[1
]}

Toomes, R ^{[1
]}

Driver, SM ^{[1
]}

Woodruff, DP ^{[1
]}

机构：

[1] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England

来源：

SURFACE SCIENCE | 1998年 / 418卷 / 03期

基金：

英国工程与自然科学研究理事会;

关键词：

copper; epitaxy; low index single crystal surfaces; manganese; manganese oxides; oxidation; oxygen; scanning tunnelling microscopy; X-ray photoelectron spectroscopy;

D O I：

10.1016/S0039-6028(98)00763-8

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：

Using a combination of scanning tunnelling microscopy (STM), low energy electron diffraction and X-ray photoelectron spectroscopy the oxidation of the Cu(100)c(2 x 2)-Mn surface alloy phase has been studied. A commensurate (root 5 x root 5)R27 degrees phase is formed, the periodicity and stoichiometry of which are consistent with an epitaxial manganese oxide overlayer having a structure very similar to that of bulk Mn3O4 ("hausmannite"). Possible detailed structural models for the oxide registry are discussed, especially in the light of the observed STM images. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：521 / 528

页数：8

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