A thermally activated exciton-exciton collision process in ZnO microrods

	A thermally activated exciton-exciton collision process in ZnO microrods
其他题名	论文其他题名
	Zhao D. X.; Liu Y. C.; Shen D. Z.; Lu Y. M.; Zhang J. Y.; Fan X. W.
	2004
发表期刊	Chinese Physics Letters
ISSN	0256-307X
卷号	21 期号:8 页码:1640-1643
摘要	Room-temperature P-band emission induced by an exciton-exciton collision process was observed in ZnO micro-rods. Both temperature- and excitation-intensity-dependent photoluminescence (PL) measurements were conducted. The excitation-intensity-dependent measurement illustrated that the P-band emission could occur at far lower excitation intensity than that reported in the literature. Higher-order transitions were also observed at the excitation intensity of 7.1 kW/cm(2) or above. The temperature-dependent PL showed that the P-band emission process was thermally activated. It is suggested that both the density and activity of free excitons played important roles in the exciton-exciton collision process.
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/25066
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Zhao D. X.,Liu Y. C.,Shen D. Z.,et al. A thermally activated exciton-exciton collision process in ZnO microrods[J]. Chinese Physics Letters,2004,21(8):1640-1643.
APA	Zhao D. X.,Liu Y. C.,Shen D. Z.,Lu Y. M.,Zhang J. Y.,&Fan X. W..(2004).A thermally activated exciton-exciton collision process in ZnO microrods.Chinese Physics Letters,21(8),1640-1643.
MLA	Zhao D. X.,et al."A thermally activated exciton-exciton collision process in ZnO microrods".Chinese Physics Letters 21.8(2004):1640-1643.

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