標題: The cooling effect on structural, electrical, and optical properties of epitaxial a-plane ZnO:Al on r-plane sapphire grown by pulsed laser deposition
作者: Peng, Chun-Yen
Liu, Yuan-An
Wang, Wei-Lin
Tian, Jr-Sheng
Chang, Li
材料科學與工程學系
Department of Materials Science and Engineering
公開日期: 8-Oct-2012
摘要: Here, the unambiguous effect of cooling rate on structural, electrical, and optical properties of a-plane ZnO:Al on r-plane sapphire grown by pulsed laser deposition at 700 degrees C is reported. A high cooling rate (similar to 100 degrees C/min) can result in stripe morphology along m-direction and significant deformation on the epitaxial films of a-plane ZnO:Al with deteriorated crystallinity and significantly lowered resistivity. Also, photoluminescence spectra exhibit high intensities of excess violet and green emissions with low intensity of near band edge luminescence. Comparison with pure a-plane ZnO films is also presented. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4759032]
URI: http://dx.doi.org/10.1063/1.4759032
http://hdl.handle.net/11536/20432
ISSN: 0003-6951
DOI: 10.1063/1.4759032
期刊: APPLIED PHYSICS LETTERS
Volume: 101
Issue: 15
結束頁: 
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