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Thermal growth, luminescence and whispering gallery resonance modes of indium oxide microrods and microcrystals

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Bartolome, Javier and Cremades Rodríguez, Ana Isabel and Piqueras de Noriega, Javier (2013) Thermal growth, luminescence and whispering gallery resonance modes of indium oxide microrods and microcrystals. Journal of marerials chemistry C, 1 (41). pp. 6790-6799. ISSN 2050-7526

Official URL: http://dx.doi.org/10.1039/c3tc31195c


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Abstract

Indium oxide microcrystals with shapes of truncated cubes and pyramids as well as microrods with square, triangular or hexagonal cross-sections are grown by a catalyst free evaporation deposition method. Size and shape control of the crystals as a function of the treatment parameters is discussed. Their luminescence properties are investigated and some features in the cathodoluminescence images are suggested to be related to the possible formation of a core dislocation. The waveguiding behaviour of the rods as well as whispering gallery resonances with improved Q-factor are demonstrated for hexagonal and square cross-section rods. The effect of tapering of the rods on the resonance wavelength is also studied and fitted to a theoretical model.


Item Type:Article
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© Royal Society of Chemistry 2013

Uncontrolled Keywords: Transmission Electron-Microscopy, Large-Scale Synthesis, Optical-Properties. In_2O_3 Nanowires, Spray-Pyrolysis, Films, Nanostructures, Nanobelts, Dislocations, Nanocubes
Subjects:Sciences > Physics > Materials
ID Code:23725
Deposited On:27 Nov 2013 18:54
Last Modified:13 Feb 2018 15:40

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