Theoretical Investigation of Effect of Side Facets on Adsorption--Desorption Behaviors of In and P Atoms at Top Layers in InP Nanowires
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概要
- 論文の詳細を見る
We investigate the adsorption and desorption behaviors of In and P atoms on the (111)A top layer of InP nanowires by an ab initio-based approach. Our calculated results reveal that In adatoms occupy the lattice sites of the wurtzite structure as well as the zinc blende structure in the central area of the (111)A top layer. On the other hand, the wurtzite structure is found to be feasible when In adatoms are located near the side facets. The wurtzite structure is preferentially formed for nanowires with small diameters, when most of the top layer consists of side facets. The difference in adsorption behaviors between the surfaces at the central and near the side facet on the top layer of nanowires is one the of factors determining the crystal structure of InP nanowires.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2011-05-25
著者
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Akiyama Toru
Department Of Orthopaedic Surgery Faculty Of Medicine The University Of Tokyo
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Nakamura Kohji
Department Of Dermatology Hiroshima University School Of Medicine
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Ito Tomonori
Department Of Chemical And Biochemical Engineering Faculty Of Engineering Toyama University
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Yamashita Tomoki
Department of Physics Engineering, Mie University, 1577 Kurima-Machiya, Tsu 514-8507, Japan
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Yamashita Tomoki
Department of Physics Engineering, Mie University, Tsu 514-8507, Japan
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