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Initial stages of MnAs heteroepitaxy and nanoisland growth on GaAs(110) and (001) surfaces
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Hirayama, Motoi, Bell, Gavin R. and Tsukamoto, Shiro (2011) Initial stages of MnAs heteroepitaxy and nanoisland growth on GaAs(110) and (001) surfaces. Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, Vol.29 (No.4). 04D109. doi:10.1116/1.3610963 ISSN 10711023.
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Official URL: http://dx.doi.org/10.1116/1.3610963
Abstract
The authors have investigated the initial growth of MnAs layers by step-by-step epitaxy on GaAs(110) and GaAs(001). On both surfaces, MnAs nanocrystals developed as the initial stage of MnAs layer formation. Surprisingly, an ultrahigh density (∼1×1012 cm-2) of the nanocrystals with a height of ∼5 nm and a size of ∼20 nm appeared on GaAs(110). On different surface orientations, the density and the size of the nanocrystals vary. The behavior of the nanocrystallizations can be explained by symmetry at the surface.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Library of Congress Subject Headings (LCSH): | Epitaxy, Nanocrystals, Nanostructured materials, Alloys, Arsenic, Manganese alloys | ||||
Journal or Publication Title: | Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures | ||||
Publisher: | IEEE | ||||
ISSN: | 10711023 | ||||
Official Date: | 2011 | ||||
Dates: |
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Volume: | Vol.29 | ||||
Number: | No.4 | ||||
Page Range: | 04D109 | ||||
DOI: | 10.1116/1.3610963 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Date of first compliant deposit: | 20 December 2015 | ||||
Date of first compliant Open Access: | 20 December 2015 | ||||
Funder: | Kagaku Gijutsu Shinkō Kikō [Japan Science and Technology Agency] (JST) |
Data sourced from Thomson Reuters' Web of Knowledge
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