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Synthesis and nonlinear optical characterization of nanocrystallineγ-alumina produced by in-flight thermal plasma route
Published online by Cambridge University Press: 22 February 2011
Abstract
Using a plasma spray torch, nanocrystalline γ-alumina powder has been synthesized in a reactor through oxidation of micron-size aluminum metal powder by in-flight thermal plasma processing. The synthesized particles were characterized by X-ray diffraction (XRD) and field emission transmission electron microscopy (FE-TEM). The particle size was in the range of ~7 to ~56 nm and spherical in shape. Furthermore the nonlinear refractive and absorptive indices of the sample under various intensities using Z-scan and moiré deflectometry techniques by a CW He-Ne laser at 632.8 nm wavelength were measured.
- Type
- Research Article
- Information
- The European Physical Journal - Applied Physics , Volume 53 , Issue 3: Focus on Telecom 2009 & JFMMA , March 2011 , 30401
- Copyright
- © EDP Sciences, 2011
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