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ZnO nanorod array random lasers fabricated by a laser-induced hydrothermal synthesis

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Title: ZnO nanorod array random lasers fabricated by a laser-induced hydrothermal synthesis
Authors: Fujiwara, Hideki Browse this author →KAKEN DB
Suzuki, Takemasa Browse this author
Niyuki, Ryo Browse this author
Sasaki, Keiji Browse this author →KAKEN DB
Keywords: random laser
zinc oxide
nanorod array
hydrothermal synthesis
Issue Date: Oct-2016
Publisher: IOP Publishing
Journal Title: New Journal of Physics
Volume: 18
Issue: 10
Start Page: 103046
Publisher DOI: 10.1088/1367-2630/18/10/103046
Abstract: We demonstrate random lasing in ZnO nanorod array (NRA) structures fabricated by a laser-induced hydrothermal growth, which would make it possible to control structural parameters, such as diameter, length, density and so on, by adjusting the laser irradiation time and intensity. To realize low-threshold ZnO NRA random lasers, we attempt to optimize the structure by changing the laser irradiation time (growth time). From the results, we confirmed that the fabricated ZnO NRAs after CO2 laser annealing could induce UV random lasing and their thresholds strongly depend on the growth time. Thus, we succeed to realize ZnO NRA random lasers and suggest the possibility to control the random lasing properties by adjusting the irradiated laser conditions.
Rights: ©2016 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft
Type: article
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 藤原 英樹

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