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

C. X. Xu; X. W. Sun; Clement Yuen; B. J. Chen; Siu Fung Yu; Z. L. Dong

doi:10.1063/1.1847716

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

C. X. Xu, X. W. Sun, Clement Yuen, B. J. Chen, Siu Fung Yu, Z. L. Dong

Research output: Journal article publication › Journal article › Academic research › peer-review

82 Citations (Scopus)

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 [01 1- 0] 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.

Original language	English
Article number	011118
Journal	Applied Physics Letters
Volume	86
Issue number	1
DOIs	https://doi.org/10.1063/1.1847716
Publication status	Published - 1 Jan 2005
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.1847716

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title = "Ultraviolet amplified spontaneous emission from self-organized network of zinc oxide nanofibers",

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 [01 1- 0] 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.",

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AU - Xu, C. X.

AU - Sun, X. W.

AU - Yuen, Clement

AU - Chen, B. J.

AU - Yu, Siu Fung

AU - Dong, Z. L.

PY - 2005/1/1

Y1 - 2005/1/1

N2 - 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 [01 1- 0] 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.

AB - 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 [01 1- 0] 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.

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U2 - 10.1063/1.1847716

DO - 10.1063/1.1847716

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VL - 86

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 1

M1 - 011118

ER -

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

Abstract

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