Study of Surface Stability and Electronic Structure of a Bi-terminated InAs (001) Surface Based on Ab Initio Calculations

被引：0
|
作者：
Khouloud Kourchid
Ramzi Alaya
Ahmed Rebey
Mourad Mbarki
机构：
[1] University of Gabes,Laboratory for Physics of Materials and Nanomaterials applied to the Environment (LaPhyMNE), Faculty of Science of Gabes
[2] University of Jeddah,Physics Department, Faculty of Science of Jeddah
[3] Rustaq College of Education,Department of Science, Ministry of Higher Education
[4] Qassim University,College of Science
来源：
Journal of Electronic Materials | 2021年 / 50卷
关键词：
InA (001) clean surface; Bi/InAs (001)-β; (2 × 4) and α; (2 × 4) reconstructions; structural and electronic properties;
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中图分类号：
学科分类号：
摘要：
In the present work, we have performed a detailed study on the influence of Bi adsorption on the structural and electronic properties of the InAs (001) surface. We have considered five prototypes of Bi/InAs (001)-β2(2 × 4) and α2(2 × 4) structures with different Bi coverage Θ. We have revealed that the substitution of As dimers by Bi atoms introduces structural and geometrical change on the InAs (001) surface. At As-rich conditions, our obtained results prove that the increasing of Bi coverage Θ can stabilize the Bi/InAs (001) structure. The electronic structure of the β2 and α2 are also presented.
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页码：3527 / 3536
页数：9
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