Anomalous dielectric behavior in the nematic and isotropic phases of a strongly polar–weakly polar binary system

References

• Chandrasekhar , S . 1992 . Liquid Crystals , Cambridge : Cambridge University Press .
   Google Scholar
• Leuder , E . 2010 . Liquid Crystal Displays: Addressing Schemes and Electro-Optical Effects , United States : John Wiley and Sons .
   Google Scholar
• Dunmur , D and Toriyama , K . 1999 . “ Tensor properties of anisotropic materials ” . In Physical Properties of Liquid Crystals , Edited by: Demus , D , Goodby , J , Gray , GW , Spiess , HW and Vill , V . Weinheim : Wiley-VCH .
   Google Scholar
• Sridevi , S , Krishna Prasad , S , Shankar Rao , DS and Yelamaggad , CV . 2008 . Pretransitional behaviour in the vicinity of the isotropic–nematic transition of strongly polar compounds . J. Phys.: Condens. Matter , 20 : 465106-1 – 465106-7 . and references therein doi: 10.1088/0953-8984/20/46/465106
   Web of Science ®Google Scholar
• Bradshaw , MJ and Raynes , EP . 1981 . Pre-transitional effects in the electric permittivity of cyano nematics . Mol. Cryst. Liq. Cryst. Lett. , 72 : 73 – 78 . doi: 10.1080/01406568108084040
   Web of Science ®Google Scholar
• Thoen , J and Menu , G . 1983 . Temperature dependence of the static relative permittivity of octylcyanobiphenyl (8CB) . Mol. Cryst. Liq. Cryst. , 97 : 163 – 176 . doi: 10.1080/00268948308073148
   Web of Science ®Google Scholar
• Drozd-Rzoska , A , Rzoska , SJ and Czuprynski , K . 2000 . Phase transitions from THE isotropic liquid to liquid crystalline mesophases studied by linear and nonlinear static dielectric permittivity . Phys. Rev. E , 61 : 5355 – 5360 . doi: 10.1103/PhysRevE.61.5355
   PubMed Web of Science ®Google Scholar
• Drozd-Rzoska , A , Pawlus , S and Rzoska , SJ . 2001 . Pretransitional behavior of dielectric permittivity on approaching a clearing point in a mixture of nematogens with antagonistic configurations of dipoles . Phys. Rev. E , 64 : 051701-1 – 051701-4 . doi: 10.1103/PhysRevE.64.051701
   Google Scholar
• Ginovska , M , Kresse , H , Bauman , D , Czechowski , G and Jadzyn , J . Static and dynamic dielectric behavior of mesogenic compounds of different polarity in the vicinity of the isotropic to nematic phase transition, Phys. Rev. E 69 (2004), pp. 022701-1–022701-4; More recently this group has published a series of papers on this topic, for example see, J. Jadzyn, G. Czechowski, and J. Dejardin, Dynamics of the self-assembling of mesogenic molecules in the prenematic region of isotropic liquid, J. Phys. Chem. B 112 (2008), pp. 4948–4952
   Google Scholar
• Van Roie , B , Leys , J , Denolf , K , Glorieux , C , Pitsi , G and Thoen , J . 2005 . Weakly first-order character of the nematic-isotropic phase transition in liquid crystals . Phys. Rev. E , 72 : 041702-1 – 041702-8 . doi: 10.1103/PhysRevE.72.041702
   Google Scholar
• Dabrowski , R and Czuprynski , K . 1993 . “ Induced smectic and nematic phases and re-entrant phenomena ” . In Modern Topics in Liquid Crystals from Neutron Scattering to Ferroelectricity , Edited by: Buka , A . London , UK : World Scientific .
   Google Scholar
• Prasad , A and Das , MK . 2011 . Static dielectric properties of two nematogenic compounds and their binary mixtures showing induced smectic Ad and re-entrant nematic phases . Phys. Scr. , 84 : 015603-1 – 015603-9 . doi: 10.1088/0031-8949/84/01/015603
   Google Scholar