Structure of a Zn monolayer on Ag(111) and Ag(110) substrates: An AES, LEED and STM study

被引：8

作者：

Maradj, Hicham ^{[1
,2
]}

Fauquet, Carole ^{[2
]}

Ghamnia, Mostefa ^{[1
]}

Ealet, Benedicte ^{[2
]}

Rochdi, Nabil ^{[3
]}

Vizzini, Sebastien ^{[4
]}

Biberian, Jean-Paul ^{[2
]}

Aufray, Bernard ^{[2
]}

Jamgotchian, Haik ^{[2
]}

机构：

[1] Univ Oran es Senia, Lab LSMC, Oran 31100, Algeria

[2] Aix Marseille Univ, CINAM, CNRS, Marseille, France

[3] Cadi Ayyad Univ, Fac Sci Semlalia, Dept Phys, Prince Moulay Abdellah Ave,POB 2390, Marrakech 40000, Morocco

[4] Aix Marseille Univ, CNRS, IN2MP, F-IN2MP Marseille, France

来源：

SURFACE SCIENCE | 2019年 / 684卷

关键词：

Zn monolayer; Ag(111); Ag(110); STM; Superstructure; Moire pattern; ALLOY SURFACES; RECONSTRUCTION; SEGREGATION; GROWTH;

D O I：

10.1016/j.susc.2019.02.007

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：

Auger Electron Spectroscopy, Low Energy Electron Diffraction and Scanning Tunneling Microscopy have been used to study the atomic structure of a Zn monolayer deposited on Ag(111) and Ag(110) substrates at room temperature. On both faces, there is formation of a close packed monolayer of Zn covering the entire substrate surface and giving rise to specific Moire patterns. From a comprehensive LEED and STM data analysis, we deduce that the Zn monolayer adopts a (111) structure equivalent to a pure Zn layer rotated with respect to the silver substrate, of about 1.5 degrees on the Ag(111) face and of about 4.5 degrees on the Ag(110) face giving rise respectively to (root 156x root 156)R18 degrees and c(12 x 6) superstructures.

引用

页码：44 / 51

页数：8

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