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Title: Laser action in ZnO nanoneedles selectively grown on silicon and plastic substrates
Authors: Lau, S. P.
Yang, H. Y.
Yu, S. F.
Li, H. D.
Tanemura, M.
Okita, T.
Hatano, H.
Hng, H. H.
Keywords: DRNTU::Science::Physics
Issue Date: 2005
Source: Lau, S. P., Yang, H. Y., Yu, S. F., Li, H. D., Tanemura, M., Okita, T., et al. (2005). Laser action in ZnO nanoneedles selectively grown on silicon and plastic substrates. Applied physics letters, 87 (1), 013104-.
Series/Report no.: Applied physics letters
Abstract: An ion-beam technique has been employed to fabricate nanoscale needlelike structures in ZnO thin films on silicon and plastic substrates at room temperature. The ZnO nanoneedles showed a single-crystalline wurtzite structure, the stem of which was around 100 nm in diameter. The sharp tips of the nanoneedles exhibited an apex angle of 20° as measured by transmission electron microscopy. Room-temperature ultraviolet random lasing action was observed in the ZnO nanoneedle arrays under 355 nm optical excitation.
DOI: 10.1063/1.1984106
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:]. 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.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles
MSE Journal Articles

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