| Issue |
Eur. Phys. J. Appl. Phys.
Volume 53, Number 3, March 2011
|
|
|---|---|---|
| Article Number | 30401 | |
| Number of page(s) | 6 | |
| Section | Nanomaterials and Nanotechnologies | |
| DOI | https://doi.org/10.1051/epjap/2010100268 | |
| Published online | 22 February 2011 | |
https://doi.org/10.1051/epjap/2010100268
Synthesis and nonlinear optical characterization of nanocrystalline γ-alumina produced by in-flight thermal plasma route
1
Department of Physics, Tarbiat Moallem University, 1571914911, Tehran, Iran
2
Department of Physics, Qom Branch, Islamic Azad University Qom, 3714668669, Qom, Iran
Corresponding author: majlesara@gmail.com
Received:
30
June
2010
Accepted:
6
December
2010
Published online:
22
February
2011
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.
© EDP Sciences, 2011
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