Ara, M. H. M. and Dehghani, Z. and Iranizad, E. S. and Salmani, S. and Asme, nil (2008) NONLINEAR RESPONSES AND OPTICAL LIMITING BEHAVIOR OF Ag NANO-PARTICLES. MICRONANO2008-2ND INTERNATIONAL CONFERENCE ON INTEGRATION AND COMMERCIALIZATION OF MICRO AND NANOSYSTEMS, PROCEEDINGS . pp. 255-258.
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Abstract
Ag nano-particles have been synthesized and the formation and microstructure of Ag particles, were monitored by X-ray diffraction (XRD), scanning electron microscopy (SEM), UV-Visible spectrum and z-scan technique. XRD pattern confirmed the cubic structure of the synthesized material. The UV-Visible spectrum of this material shows an absorption peak about 200 nm wavelengths. Optical limiting (OL) property of Ag nano-particles is studied. The nonlinear refractive indices of Ag nano-particles were defined by the z-scan technique using CW He-Ne laser (lambda = 632.8 nm) at different incident intensities. The results reveal that the new complex exhibits strong nonlinear optics refraction effect such as self-focusing and the magnitude of n(2) was measured in order of 10(-7) (cm(2)/W) with a negative sign
| Item Type: | Article |
|---|---|
| Subjects: | Physical Science > Nanophysics Physical Science > Nano objects Material Science > Nanochemistry Material Science > Nanostructured materials |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Physics Faculty of Engineering, Science and Mathematics > School of Chemistry |
| ID Code: | 7356 |
| Deposited By: | JNCASR |
| Deposited On: | 04 Nov 2009 07:48 |
| Last Modified: | 04 Nov 2009 07:48 |
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