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Ultraviolet amplified spontaneous emission from self-organized network of zinc oxide nanofibers

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Ultraviolet amplified spontaneous emission from self-organized network of zinc oxide nanofibers

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Title: Ultraviolet amplified spontaneous emission from self-organized network of zinc oxide nanofibers
Author: Xu, Chunxiang; Sun, Xiaowei; Yuen, Clement; Chen, B. J.; Yu, S. F.; Dong, Zhili
Copyright year: 2005
Abstract: Self-organized zinc oxide (ZnO) nanofiber network with six-fold symmetry was fabricated on ZnO-buffered (0001) sapphire substrate with patterned gold catalyst by vapor-phase transport method. From the ZnO buffer layer, hexagonal ZnO nanorods with identical in-plane structure grew epitaxially along [0001] orientation to form vertical stems. The nanofiber branches grew horizontally from six side-surfaces of the vertical stem along [0110] and other equivalent directions. The aligned network structure constructed a waveguide array with optical gain. Ultraviolet amplified spontaneous emission was observed along the side-branching nanofibers when the aligned ZnO network was excited by a frequency-tripled Nd:YAG laser.
Subject: DRNTU::Engineering::Materials::Microelectronics and semiconductor materials.
Type: Journal Article
Series/ Journal Title: Applied physics letters
School: School of Materials Science and Engineering
Rights: © 2005 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at: [DOI: http://dx.doi.org/10.1063/1.1847716]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Version: Published version

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