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year 27, Issue 1 (Iranian Nano-Photonic Conference 2020 2020)
ICOP & ICPET _ INPC _ ICOFS 2020, 27(1): 106-108 |
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Hayatifar B, Ahmadi S, Zakerhamidi M, Khadem Sadigh M. Effect of silica nanoparticles on electro-optical properties of E7 investigation. ICOP & ICPET _ INPC _ ICOFS 2020; 27 (1) :106-108
URL: http://opsi.ir/article-1-2268-en.html
URL: http://opsi.ir/article-1-2268-en.html
1- Departent of basic sciences, Islamic Azad University of Shabestar, Shabestar, Iran, Aras International Campus, University of Tabriz, Tabriz, Iran
2- Physics Department, University of Tabriz, Tabriz, Iran
3- Laser and Optics Engineering, Bonab University, Bonab, Iran
2- Physics Department, University of Tabriz, Tabriz, Iran
3- Laser and Optics Engineering, Bonab University, Bonab, Iran
Abstract: (1474 Views)
Static Electro- optical Kerr effect in SiO2 nanoparticles doped- E7 NLC was investigated. Obtained data exhibits that low concentrations of SiO2 nanoparticles increase the Kerr constant of E7 NLC, but high concentrations of nanoparticles decrease the Kerr constant of liquid crystal. Also, Kerr effect of nanoparticles doped liquid crystals in above and at the vicinity of Isotropic- Nematic phase transition temperature was studied. Variation of Kerr constant with temperature shows the temperature dependence of Kerr constant which in good agreement with Landau-de Gennes theory.
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