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The deposition of a GaS epitaxial film on GaAs using an exchange reaction.

Authors :
Xin, Q.-S.
Conrad, S.
Zhu, X.-Y.
Source :
Applied Physics Letters; 8/26/1996, Vol. 69 Issue 9, p1244, 3p, 4 Black and White Photographs, 2 Graphs
Publication Year :
1996

Abstract

A GaS thin film has been formed epitaxially on GaAs(100) using a photoassisted growth-etching reaction between H2S and the GaAs substrate. In the reaction, the growth of GaS is accomplished via the replacement of As in the GaAs lattice by the photochemically generated S atom, while As is etched from the substrate as arsenic sulfide. The surface of the resulting GaS thin film is characterized by a sharp (2×1) low energy electron diffraction pattern, indicating excellent crystalline quality. © 1996 American Institute of Physics. [ABSTRACT FROM AUTHOR]

Subjects

Subjects :
THIN films
GALLIUM arsenide

Details

Language :
English
ISSN :
00036951
Volume :
69
Issue :
9
Database :
Complementary Index
Journal :
Applied Physics Letters
Publication Type :
Academic Journal
Accession number :
6290280
Full Text :
https://doi.org/10.1063/1.117425