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Proceedings Paper

Two-photon optical characteristics of zinc oxide in bulk, low-dimensional and nano forms
Author(s): P. Xu; X. Wen; Z. Zheng; E. Kable; G. Cox; H. Zhu
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Paper Abstract

We report the two photon luminescence (TPL) and second harmonic generation (SHG) characteristics of Zinc Oxide (ZnO) in ceramic, thick film and nano-rod. All samples were prepared from commercially available analytical pure ZnO powder. Sintering, physical vapour deposition (PVD), and hydrothermal methods were used in preparing the three types of samples respectively. The comparison among the three showed, while a degree of similarities between the ceramic and the nano-rod, a significant difference in the film. Possible reasons for the wavelength downshift in the film sample are discussed. Images acquired by TPL and SHG microscopy are presented, both ceramic and film samples show granular structure and a reverse bright-dark contract was observed from TPF to SHG image between the grain region and the granular boundaries.

Paper Details

Date Published: 27 August 2005
PDF: 6 pages
Proc. SPIE 5931, Nanoengineering: Fabrication, Properties, Optics, and Devices II, 59310T (27 August 2005); doi: 10.1117/12.613100
Show Author Affiliations
P. Xu, Univ. of Sydney (Australia)
X. Wen, Swinburne Univ. of Technology (Australia)
Z. Zheng, Univ. of Sydney (Australia)
E. Kable, Univ. of Sydney (Australia)
G. Cox, Univ. of Sydney (Australia)
H. Zhu, Univ. of Sydney (Australia)

Published in SPIE Proceedings Vol. 5931:
Nanoengineering: Fabrication, Properties, Optics, and Devices II
Elizabeth A. Dobisz; Louay A. Eldada, Editor(s)

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