Viscosity Behavior at the Nematic to Smectic A Phase Transition in Freely Flowing Compounds

• Authors: J. Jadżyn , G. Czechowski
• Languages of publication: EN

Abstracts

EN

The paper shows that the shear viscosity at the nematic to smectic A phase transition in freely flowing n-hexyloxycy$ $anobiphenyl + n-octyloxycyanobiphenyl mixtures (a system exhibiting the reentrant nematic phase) corresponds to the Mięsowicz η_3 viscosity coefficient and its temperature behavior is analogous (but strongly enhanced) to that observed for the η_2 viscosity coefficient at the isotropic to nematic phase transition.

Keywords

EN

64.70.Md; 83.80.Xz; 66.20.+d

Discipline

• 83.80.Xz: Liquid crystals: nematic, cholesteric, smectic, discotic, etc.

• Journal: Acta Physica Polonica A
• Year: 2004
• Volume: 105
• Issue: 5
• Pages: 459-465

Dates

published

2004-05

received

2004-03-11

Contributors

author

J. Jadżyn

• Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland

author

G. Czechowski

• Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland

References

• 1. J. Jadżyn, G. Czechowski, Phys . Rev. E 64, 052702 (2001)
• 2. J. Jadżyn, G. Czechowski, J. Phys., Condens. Matter 13, 261 (2001)
• 3. M. Mięsowicz, Nature (London) 158, 261 (1946)
• 4. H.-H. Graf, H. Kneppe, F. Schneider, Mol. Phys. 77, 521 (1992)
• 5. A.R. Kortan, H.V. Kanel, R.J. Birgeneau, J.D. Lister, Phys. Rev. Lett. 47, 1206 (1981)
• 6. S.A. Ivanov, V.V. Belaiev, R.A. Zeinalov, B.I. Ostrovskij, Zh. Exp. Theor. Fiz. 91, 560 (1986)
• 7. J. Jadżyn, G. Czechowski, Liq. Cryst. 4, 157 (1989)
• 8. A. Żywociński, J. Phys. Chem. B 103, 3087 (1999)
• 9. S. Urban, R. Dąbrowski, B. Bestblom, A. Kocot, Liq. Cryst. 27, 1675 (2000)
• 10. M. Ginovska, H. Kresse, D. Bauman, G. Czechowski, J. Jadżyn, Phys. Rev. E 69, 022701 (2004)

Identifiers

DOI

10.12693/APhysPolA.105.459