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Original Articles

Electrical Conductivity of Liquid Crystal Mixtures with Induced Smectic Phases

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Pages 221-229 | Received 06 Jul 1977, Published online: 18 Oct 2010

References

  • Park , J. W. , Bak , C. S. and Labes , M. M. 1975 . J. Am. Chem. Soc. , 97 : 4398
  • Heppke , G. and Richter , E.-J. 1976 . Chemiedozenten-Tagung, Regensburg ,
  • Chan Oh , S. 1977 . Mol. Cryst. Liq. Cryst. , 42 : 1
  • Heppke , G. and Richter , E.-J. 1978 . Z. Naturforsch , 33a in press.
  • Heppke , G. and Schneider , F. 1975 . Z. Naturforsch. , 30a : 316
  • Mircea-Roussel , A. and Rondelez , F. 1975 . J. Chem. Phys. , 63 : 2311
  • Heppke , G. , Schneider , F. and Sterzl , A. 1976 . Z. Nafurforsch. , 31a : 1700
  • Rondelez , F. 1972 . Solid State Comm. , 11 : 1675
  • Fuoss , R. M. and Kraus , C. A. 1933 . J. Am. Chem. Soc. , 55 : 1019
  • Heppke , G. and Schneider , F. 1971 . Ber. Bunsenges. phys. Chem. , 75 : 1231
  • Mircea-Roussel , A. , Léger , L. , Rondelez , F. and de Jeu , W. H. 1975 . J. Physique , 36 : C1 – 93 .
  • Heppke , G. , Montserrat Benavent , W. E. and Schneider , F. 1974 . Z. Naturforsch. , 29a : 728
  • Heppke , G. and Schneider , F. unpublished results.
  • Lydon , J. E. and Coakley , C. J. 1975 . J. Physique , 36 : C1 – 45 . The planar alignment is generated in a 125 μm sandwich cell by surface treatment, whereas the application of a high AC voltage (0, 100 V, 10 kHz) yields the homeotropic alignment (Δ > 0). Thus both conductivity components (K and K) can be determined with a lock-in device (1 V, 135 Hz) similar to the one described elsewhere5,7 (M. Bock and G. Heppke, to be published).
  • Heppke , G. and Schneider , F. 1974 . Z. Naturforsch. , 29a : 1523
  • Heppke , G. and Schneider , F. 1976 . Z. Naturforsch. , 31a : 611
  • Helfrich , W. 1969 . J. Chem. Phys. , 51 : 4092
  • Heppke , G. and Schneider , F. 1976 . 6 Freiburger Arbeitstagung Flüssigkristalle ,
  • Heppke , G. and Schneider , F. to be published.

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