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Faculty of Sciences
Document Details
Document Type
:
Article In Journal
Document Title
:
Theoretical analysis of semiconductor surface passivation by adsorption of alkaline-earth metals and chalcogens
Theoretical analysis of semiconductor surface passivation by adsorption of alkaline-earth metals and chalcogens
Subject
:
physics
Document Language
:
English
Abstract
:
We begin with the concept of semiconductor surface passivation by adsorption of sub-monolayer atomic coverages. We then present a theoretical analysis of structural reconstruction and passivating behaviour of semiconductor surfaces upon sub-monolayer adsorption of alkaline-earth metals (group II atoms) and chalcogens (group VI atoms). Specific results are presented from first-principles calculations for Ca adsorption on Si(0 0 1) and Si(1 1 1), and S adsorption on GaAs(0 0 1). The role of chemical species of adsorbate and surface atoms in achieving different degrees of passivation is highlighted
ISSN
:
0169-4332
Journal Name
:
APPLIED SURFACE SCIENCE
Volume
:
258
Issue Number
:
21
Publishing Year
:
1433 AH
2012 AD
Article Type
:
Article
Added Date
:
Sunday, July 23, 2017
Researchers
Researcher Name (Arabic)
Researcher Name (English)
Researcher Type
Dr Grade
Email
G.P Srivastava
Srivastava, G.P
Investigator
Doctorate
gps@excc.ex.ac.uk
A.Z AlZahrani,
AlZahrani,, A. Z
Researcher
Doctorate
D Usanmaz
Usanmaz, D
Researcher
Doctorate
Files
File Name
Type
Description
42201.pdf
pdf
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