RT - Journal Article T1 - Investigation Effect of Silica Nano Particle on Dielectric Properties of E7 Nematic Liquid Crystal JF - opsi YR - 2015 JO - opsi VO - 21 IS - 0 UR - http://opsi.ir/article-1-558-en.html SP - 221 EP - 224 K1 - Dielectric Constant K1 - Nematic Liquid Crystal K1 - Silica Nanoparticle AB - In this study, E7 liquid crystal doped with different amounts of SiO2 nanoparticles was studied and dielectric properties of pure and doped NLC with special ordering (homogeneous and homeotropic orientations) in different temperature an 20 kHz frequency were analyzed. Obtained data exhibits that dielectric constant of NLC doped with low percent of nanoparticles by increasing temperature increases but for high percent of nanoparticles decrease the dielectric constant LA eng UL http://opsi.ir/article-1-558-en.html M3 ER -