Orientational order parameter estimated from molecular polarizabilities – an optical study

References

• Lalitha Kumari , J , Datta Prasad , PV , Ramakrishna Nanchara Rao , M , Madhavi Latha , D and Pisipati , VGKM . 2011 . Synthesis, characterization and phase transition studies across different liquid crystalline phases in nO.O4 compounds . Phase Transitions , (in press) : 1 – 18 .
   Google Scholar
• Pisipati , VGKM . 2003 . Polymesomorphism in nO.m compounds . Z. Naturforsch. , 58a : 661 – 663 .
   Google Scholar
• Haller , I , Huggins , HA , Lilienthal , HR and McGuire , TR . 1973 . Order-related properties of some nematic liquids . J. Phys. Chem. , 77 : 950 – 954 .
   Web of Science ®Google Scholar
• Zywucki , BJ , Kuczynski , W and Trans , IEEE . 2001 . The orientational order in nematic liquid crystals from birefringence measurements . Dielectr. Electr. Insul. , 8 : 512 – 515 .
   Web of Science ®Google Scholar
• Kuczynski , W , Zywucki , B and Malecki , J . 2002 . Determination of orientational order parameter in various liquid-crystalline phases . Mol. Cryst. Liq. Cryst. , 381 : 1 – 19 .
   Web of Science ®Google Scholar
• Datta Prasad , PV and Pisipati , VGKM . 2009 . Simple, accurate and low cost optical techniques for the measurement of 1. Birefringence in liquid crystals and 2. Variation of the angle of the small angled prism with temperature . Mol. Cryst. Liq. Cryst. , 511 : 102 – 111 .
   Web of Science ®Google Scholar
• Ramakrishna Nanchara Rao , M , Datta Prasad , PV and Pisipati , VGKM . 2010 . Orientational order parameter in alkoxy benzoic acids – optical studies . Mol. Cryst. Liq. Cryst. , 528 : 49 – 63 .
   Web of Science ®Google Scholar
• Lippincott , ER and Dayhoff , MO . 1960 . Delta-function model of chemical binding . Spectrochim. Acta , 16 : 807 – 834 .
   Web of Science ®Google Scholar
• Lippincott , ER , Nagarajan , G and Stutman , JM . 1966 . Polarizabilities from the δ-function model of chemical binding. II. molecules with polar bonds . J. Phys. Chem. , 70 : 78 – 84 .
   Web of Science ®Google Scholar
• Murthy , YN , Murthy , VR and Ranga Reddy , RNV . 1997 . Molecular vibration approach to polarizability of methyl cinnamate liquid crystal compounds . Acta Phys. Pol. A , 91 : 1069 – 1079 .
   Web of Science ®Google Scholar
• Chandrasekhar , S and Madhusudhana , NV . 1969 . Orientational order in p-azoxyanisole, p-azoxyphenetole and their mixtures in the nematic phase . J. Phys. Colloq. (Paris) C-4 Supp. , 11 : C4-24 – C4-27 .
   Google Scholar
• Pardhasaradhi , P , Murthy , CSVS , Lalitha Kumari , J , Datta Prasad , PV , Srinivasulu , M and Pisipati , VGKM . 2009 . Oroentational order parameter – II – A birefringence study . Mol. Cryst. Liq. Cryst. , 511 : 121 – 132 .
   Web of Science ®Google Scholar
• Subrahmanyam , HS and Krishna Murthi , D . 1973 . Polarization field and molecular order in nematic liquid crystals . Mol. Cryst. Liq. Cryst. , 22 : 239 – 248 .
   Web of Science ®Google Scholar
• de Gennes , PG and Prost , J . 1993 . The Physics of Liquid Crystals , New York : Oxford University Press .
   Google Scholar
• de Gennes , PG . 1974 . Physics of Liquid Crystals , London : Oxford University Press .
   Google Scholar
• de Jeu , WH . 1980 . Physical Properties of Liquid Crystalline Materials , New York : Gordon and Breach Science .
   Google Scholar
• Haller , I , Huggins , HA and Freisner , MJ . 1972 . On the measurement of indices of refraction of nematic liquids . Mol. Cryst. Liq. Cryst. , 16 : 53 – 59 .
   Web of Science ®Google Scholar
• Horn , RG . 1978 . Refractive indices and order parameters of two liquid crystals . J. Phys. , 39 : 105 – 109 .
   Web of Science ®Google Scholar