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Formation and photoluminescent properties of embedded ZnO quantum dots in ZnO/ZnMgO multiple-quantum-well-structured nanorods

Title
Formation and photoluminescent properties of embedded ZnO quantum dots in ZnO/ZnMgO multiple-quantum-well-structured nanorods
Authors
Kim, CPark, WIYi, GCKim, M
POSTECH Authors
Yi, GC
Date Issued
Jan-2006
Publisher
AMER INST PHYSICS
Abstract
ZnO/Zn0.8Mg0.2O multiple-quantum-well (MQW) nanorods with a different number of periods and well widths were grown by catalyst-free metal-organic vapor phase epitaxy. Their optical and structural characteristics were investigated using photoluminescence, transmission electron microscopy, and field emission scanning electron microscopy. Unlike ZnO/ZnMgO MQW thin films, it was observed that embedded quantum dots played a more important role in the optical characteristics of ZnO/ZnMgO MQW nanorods than quantum confined Stark effect due to polarization field. (c) 2006 American Institute of Physics.
URI
http://oasis.postech.ac.kr/handle/2014.oak/9526
DOI
10.1063/1.2352724
ISSN
0003-6951
Article Type
Article
Citation
APPLIED PHYSICS LETTERS, vol. 89, no. 11, 2006-01
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이규철YI, GYU CHUL
Dept of Materials Science & Enginrg
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