標題: Band gap engineering and stimulated emission of ZnMgO nanowires
作者: Hsu, Hsu-Cheng
Wu, Chun-Yi
Cheng, Hsin-Ming
Hsieh, Wen-Feng
光電工程學系
Department of Photonics
公開日期: 3-Jul-2006
摘要: We report a simple method for fabricating heterostructured ZnMgO nanowires by annealing the preformed ZnO/MgO core-shell structure. Photoluminescence from the alloy nanowires shows strong near-band-edge (NBE) emission, reflecting good material quality. A blueshift of the NBE emission at room temperature after the annealing treatment is attributed to the diffusion of Mg from the shell into the core ZnO of the nanowires to form a ternary ZnMgO alloy. Band gap engineering and stimulated emissions of ZnMgO nanowires with different Mg doping concentrations are also demonstrated. (c) 2006 American Institute of Physics.
URI: http://dx.doi.org/10.1063/1.2218813
http://hdl.handle.net/11536/12041
ISSN: 0003-6951
DOI: 10.1063/1.2218813
期刊: APPLIED PHYSICS LETTERS
Volume: 89
Issue: 1
結束頁: 
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