Atomic structure of the polar NiO(111)-p(2 x 2) surface

被引:110
|
作者
Barbier, A
Mocuta, C
Kuhlenbeck, H
Peters, KF
Richter, B
Renaud, G
机构
[1] CEA, Dept Rech Fondamentale Mat Condensee, SP2M, IRS, F-38054 Grenoble 9, France
[2] Max Planck Gesell, Fritz Haber Inst, D-14195 Berlin, Germany
[3] ESRF, F-38043 Grenoble, France
关键词
D O I
10.1103/PhysRevLett.84.2897
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Using grazing-incidence x-ray diffraction, the p(2 x 2) surface structures of the single crystal NiO(111) and a 5 monolayer thick NiO(111) film on Au(111) were both shown to exhibit locally the theoretically predicted octopolar reconstruction, with some important differences. The single crystal exhibits a single Ni termination with double steps. The thin film exhibits both possible terminations (O and Ni) and single steps. These surfaces were found to be nonreactive with respect to hydroxylation.
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页码:2897 / 2900
页数:4
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