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Synthesis, characterization, and photoluminescence of β-Ga2O3 nanofibers
Author(s): Hwee Ming Lam; Ming Hui Hong; Chee Lip Gan; Tow Chong Chong
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Paper Abstract

Gallium oxide nanofibers were synthesized by reactive pulsed laser ablation of 99.99% pure GaN target in vacuum condition. The nanofibers have been identified to be β-Ga2O3 by X-ray diffraction and selected area diffraction. The structure and composition of the as-deposited product were determined by high-resolution transmission electron microscopy and scanning electron microscopy. The β-Ga2O3 nanofibers have diameters in the range of 10 - 20 nm and lengths up to tens of microns. Photoluminescence measurements at temperature between 10 K and room temperature show that the nanofibers emit stable and high brightness UV and blue light at 390 nm and 440 nm respectively under the excitation of 325 nm laser source which my find potential applications in one-dimensional optoelectronics nanodevices.

Paper Details

Date Published: 8 October 2004
PDF: 5 pages
Proc. SPIE 5662, Fifth International Symposium on Laser Precision Microfabrication, (8 October 2004); doi: 10.1117/12.595829
Show Author Affiliations
Hwee Ming Lam, Data Storage Institute (Singapore)
Nanyang Technological Univ. (Singapore)
Ming Hui Hong, Data Storage Institute (Singapore)
National Univ. of Singapore (Singapore)
Chee Lip Gan, Nanyang Technological Univ. (Singapore)
Tow Chong Chong, Data Storage Institute (Singapore)
National Univ. of Singapore (Singapore)

Published in SPIE Proceedings Vol. 5662:
Fifth International Symposium on Laser Precision Microfabrication
Isamu Miyamoto; Henry Helvajian; Kazuyoshi Itoh; Kojiro F. Kobayashi; Andreas Ostendorf; Koji Sugioka, Editor(s)

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