Growth, morphology, and structural properties of group-III-nitride nanocolumns and nanodisks

被引:145
作者
Calleja, E. [1 ]
Ristic, J.
Fernandez-Garrido, S.
Cerutti, L.
Sanchez-Garcia, M. A.
Grandal, J.
Trampert, A.
Jahn, U.
Sanchez, G.
Griol, A.
Sanchez, B.
机构
[1] Univ Politecn Madrid, ETSI Telecomunicat, Dipartimento Ingn Elettron, Madrid 28040, Spain
[2] Univ Politecn Madrid, ISOM, Madrid 28040, Spain
[3] Univ Montpellier 2, Ctr Elect & Microoptoelect Montpellier CEM2, CNRS, UMR 5507, F-34095 Montpellier 05, France
[4] Paul Drude Inst Festkorperelekt, D-10117 Berlin, Germany
[5] Univ Politecn Valencia, ETSI Telecomunicac, Nanophoton Technol Ctr, Valencia, Spain
来源
PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2007年 / 244卷 / 08期
关键词
D O I
10.1002/pssb.200675628
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The growth conditions to achieve group-III-nitride nanocolumms and nanocolumnar heterostructures by plasma-assisted molecular beam epitaxy are studied. The evolution of the nanocolumnar morphology with the growth conditions is determined for (Ga,Al)N and (In,Ga)N nanocolumns. The mechanisms behind the nanocolumnar growth under high N-rich conditions are clarified in the sense that no seeding or catalysts are required, as it is the case in the vapour-liquid-solid model that applies to most nanocolumns grown by metal organic chemical vapour deposition, either with group-III nitrides, II-VI or III-V compounds. Some examples of nanocolumnar heterostructures are given, like quantum disks and cylindrical nanocavities. Preliminary results on the growth of arrays of ordered GaN nanocolumns are reported. (c) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:2816 / 2837
页数:22
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