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Identification of dispersion-dependent hexagonal cavity modes of an individual ZnO nanonail

Liu, Jinzhang, Lee, Soonil, Ahn, YeongHwan, Park, Ji-Yong, Koh, Ken Ha, & Park, Kyung Ho (2008) Identification of dispersion-dependent hexagonal cavity modes of an individual ZnO nanonail. Applied Physics Letters, 92(26), 263102-1--2631021-3.

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Abstract

The hexagonal resonator characteristics of an individual ZnO-nanonail’s head were investigated via spatially resolved cathodoluminescence (CL) at room temperature. The positions of most of distinct CL peaks in visible range were well matched to those of whispering gallery modes (WGMs) of a hexagonal dielectric cavity when we took birefringence and dispersion of refractive indices into account. The broad and weak peaks for TE polarization in long wavelength range were consistent with refractive-index values below the threshold for total internal inflection. CL peaks that were not matched to WGMs were identified as either triangular quasi-WGM or Fabry–Pérot resonance modes.

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35 citations in Web of Science®

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51 since deposited on 19 Sep 2011
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ID Code: 46054
Item Type: Journal Article
Keywords: ZnO, Optical nanocavity, Wispering Gallery Mode Resonances, Cathodoluminescence, Nanonails
DOI: 10.1063/1.2952763
ISSN: 0003-6951
Subjects: Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > OPTICAL PHYSICS (020500) > Photonics Optoelectronics and Optical Communications (020504)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanofabrication Growth and Self Assembly (100706)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanomaterials (100708)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanophotonics (100711)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2008 American Institute of Physics
Deposited On: 20 Sep 2011 08:22
Last Modified: 22 Sep 2011 00:48

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