Preorganization effect of a polar supermolecule on dielectric anisotropy in a nematic liquid crystalline phase

Chemistry of Materials

Volumn 17, Issue 25, 2005, Pages 6442-6446

  Yoshizawa, Atsushi ^a   Segawa, Shinpei ^a   Ogasawara, Fumitaka ^b  

^a HIROSAKI UNIVERSITY   (Japan)

^b Tohoku Chemical Corporation   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

ANISOTROPY; DIELECTRIC MATERIALS; DOPING (ADDITIVES); MIXTURES;

BIMESOGENIC COMPOUNDS; DIELECTRIC ANISOTROPY; NEMATIC LIQUID CRYSTALLINE PHASE; POLAR SUPERMOLECULE;

NEMATIC LIQUID CRYSTALS;

EID: 29444450722     PISSN: 08974756     EISSN: None     Source Type: Journal    
DOI: 10.1021/cm051441q     Document Type: Article

References (20)

1. Goto, Y.; Ogawa, T.; Sawada, S.; Sugimori, S. Mol. Cryst. Liq. Cryst. 1991, 209, 1.
2. Kirsch, P.; Bremer, M. Angew. Chem., Int. Ed. 2000, 39, 4216.
3. Matsui, S.; Kondo, T.; Sago, K. Mol. Cryst. Liq. Cryst. 2004, 411, 127.
4. Kusumoto, T.; Saito, Y.; Nagashima, Y.; Negishi, M.; Takehara, S.; Iwashita, Y.; Takeuchi, K.; Takatsu, H. Mol. Cryst. Liq. Cryst. 2004, 411, 155.
5. Pauluth, D.; Tarumi, K. J. Mater. Chem. 2004, 14, 1219.
6. (a) Goodby, J. W.; Mehl, G. H.; Saez, I. M.; Tuffin, R. P.; Mackenzie, G.; Auzely-Velty, R.; Benvegu, T.; Plusquellec, D. Chem. Commun. 1998, 2057.
7. (b) Saez, I. M.; Goodby, J. W. J. Mater. Chem. 2005, 15, 26.
8. Imrie, C. T.; Luckhurst, G. R. Handbook of Liquid Crystals; Demus, D., Goodby, J. W., Gray, G. W., Spiess, H.-W., Vill, V., Eds.; Wiley-VCH: Weinheim, 1998, Vol 2B, Chapter X, pp 801-833.
9. Imrie, C. T.; Henderson, P. A. Curr. Opin. Colloid Interface Sci. 2002, 7, 298.
10. Redmond, H.; Coles, H. J.; Wischerhoff, E.; Zentel, R. Ferroelectrics 1993, 148, 323.
11. Robinson, W. K.; Carboni, C.; Kloess, P.; Perkins, S. P.; Coles, H. J. Liq. Cryst. 1998, 25, 301.
12. Pivnenko, M. N.; Lehmann, P.; Komitov, L.; Coles, H. J. Liq. Cryst. 2005, 32, 173.
13. Yoshizawa, A.; Yamaguchi, A. Chem. Commun. 2002, 2060.
14. Rokunohe, J.; Yoshizawa, A. J. Mater. Chem. 2005, 15, 275.
15. Yamaguchi, A.; Nishiyama, I.; Yamamoto, J.; Yokoyama, H.; Yoshizawa, A. J. Mater. Chem. 2005, 15, 280.
16. Yoshizawa, A.; Ogasawara, F.; Manabe, K.; Segawa, S.; Narumi, T. Jpn. J. Appl. Phys. 2004, 43, L1549.
17. Uchida, T.; Takahashi, Y. Mol. Cryst. Liq. Cryst. 1981, 72, 133.
18. (a) Maier, W.; Meier, G. Z. Naturforsch. A 1961, 16, 262.
19. (b) Dunmur, D.; Toriyama, K. Handbook of Liquid Crystals; Demus, D., Goodby, J. W., Gray, G. W., Spiess, H.-W., Vill, V., Eds.; Wiley-VCH: Weinheim: 1998; Vol 1, Chapter VII, pp 231-252.
20. 3(2ε +1)} and h the cavity factor [h = 3ε/(2 ε+ 1)}. The macroscopic dielectric constant is used for ε.