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Quantum confinement effect in ZnO/Mg0.2Zn0.8O multishell nanorod heterostructures

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Authors
Jang, Eue-Soon; Bae, Jun Young; Yoo, Jinkyoung; Park, Won Il; Kim, Dong-Wook; Yi, Gyu-Chul; Yatsui, T.; Ohtsu, M.
Issue Date
2006-01-09
Publisher
American Institute of Physics
Citation
Appl. Phys. Lett. 88, 023102 (2006)
Abstract
We report on photoluminescence measurements of Mg0.2Zn0.8O/ZnO/Mg0.2Zn0.8O multishell layers on ZnO core nanorods. Dominant excitonic emissions in the photoluminescence spectra show a blueshift depending on the ZnO shell layer thickness attributed to the quantum confinement effect in the nanorod heterostructure radial direction. Furthermore, near-field scanning optical microscopy clearly shows sharp photoluminescence peaks from the individual nanorod quantum structures, corresponding to subband levels.
ISSN
0003-6951 (print)1077-3118 (online)
Language
English
URI
http://link.aip.org/link/?APPLAB/88/023102/1
http://hdl.handle.net/10371/5367
DOI
https://doi.org/10.1063/1.2162695
https://doi.org/10.1063/1.2162695
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College of Natural Sciences (자연과학대학)Dept. of Physics and Astronomy (물리·천문학부)Physics (물리학전공)Journal Papers (저널논문_물리학전공)
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