Polymorphism Investigation of (4-(4'-Octylobiphenyl)carboxylane) 4-(2-Methylobuthyl) Phenol Liquid Crystal Having Blue Phase

• Authors: G. Lewińska , W. Otowski
• Languages of publication: EN

Abstracts

EN

(4-(4'-octylo-biphenyl)carbo-xylane) 4-(2-methylo-buthyl) phenol, the substance showing complex polymorphism, has been investigated using the calorimetric, microscopic and X-ray methods. This substance exhibited polymorphism during heating and cooling: a few smectic phases, a cholesteric phase and a blue phase as well. However, the substance polymorphism depends on the rate of heat flow. Existing of the blue phase has been confirmed by polarizing microscopic observations done at several temperature rates.

Keywords

EN

61.30.Pq; 61.30.Eb; 64.70.M-; 42.70.Df

Discipline

• 61.30.Eb: Experimental determinations of smectic, nematic, cholesteric, and other structures
• 61.30.Pq: Microconfined liquid crystals: droplets, cylinders, randomly confined liquid crystals, polymer dispersed liquid crystals, and porous systems
• 64.70.M-: Transitions in liquid crystals
• 42.70.Df: Liquid crystals(for structure of liquid crystals, see 61.30.-v)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2010
• Volume: 117
• Issue: 4
• Pages: 562-565

Dates

published

2010-04

Contributors

author

G. Lewińska

• Institute of Physics, Cracow University of Technology, Podchorążych 1, 30-084 Cracow, Poland
• The Henryk Niewodniczański Institute of Nuclear Physics of the Polish Academy of Sciences, Cracow, Poland

author

W. Otowski

• Institute of Physics, Cracow University of Technology, Podchorążych 1, 30-084 Cracow, Poland

References

• 1. H.J. Coles, M.N. Pivnenko, Nature 436, 997 (2005)
• 2. J. Yamamoto, I. Nishiyama, M. Inoue, H. Yokoyama, Nature 437, 525 (2005)
• 3. S. Meiboom, J.P. Sethna, W.P. Anderson, W.F. Brinkman, Phys. Rev. Lett. 46, 1216 (1981)
• 4. O.D. Lavrentovich, M. Kleman, in: Chirality in Liquid Crystals, Vol. 5, Springer-Verlag, New York 2001
• 5. G. Pabian, M.Sc. Thesis, Cracow University of Technology, Kraków 2008

Identifiers

DOI

10.12693/APhysPolA.117.562