Study of different modes of dielectric relaxation in the ferro- and antiferroelectric phases of a newly-synthesized highly tilted chiral liquid crystal material 6H6B

Phase Transitions

Volumn 77, Issue 12, 2004, Pages 1111-1123

  Pandey, Geetika ^a   Dhar, R ^b   Agrawal, V K ^a   Dabrowski, R ^c  

^a UNIVERSITY OF ALLAHABAD   (India)

^b EWING CHRISTIAN COLLEGE   (India)

^c MILITARY UNIVERSITY OF TECHNOLOGY   (Poland)

Author keywords

Antiferroelectric liquid crystal; Cole Cole plot; Curie law; Dielectric relaxation; Goldstone mode

Indexed keywords

ANTIFERROELECTRIC MATERIALS; AROMATIC HYDROCARBONS; DIELECTRIC RELAXATION; PHASE TRANSITIONS; SYNTHESIS (CHEMICAL); THERMAL EFFECTS;

ANTIFERROELECTRIC LIQUID CRYSTALS; COLE-COLE PLOT; CURIE LAW; GOLDSTONE MODES;

LIQUID CRYSTALS;

EID: 11144326228     PISSN: 01411594     EISSN: None     Source Type: Journal    
DOI: 10.1080/01411590412331282832     Document Type: Article

References (28)

1. Buivydas, M., Gouda, F., Lagerwall, S.T. and Stebler, B. (1995). The molecular aspect of the double absorption peak in the dielectric spectrum of the antiferroelectric liquid crystal phase. Liq. Cryst., 18, 879-886.
2. Chandani, A.D.L., Ouchi, Y., Takezoe, H., Fukuda, A., Terashima, K., Furukawa, K. and Kishi, A. (1989). Novel phases exhibiting tristable switching. Jpn. J. Appl. Phys., 28, L1261-1264; Chandani, A.D.L., Gorecka, E., Ouchi, Y., Takezoe, H. and Fukuda, A. (1989). Antiferroelectric chiral smectic phases responsible for the tristable switching in MHPOBC. Jpn. J. Appl. Phys., 28, L1265-1268.
3. Chandani, A.D.L., Ouchi, Y., Takezoe, H., Fukuda, A., Terashima, K., Furukawa, K. and Kishi, A. (1989). Novel phases exhibiting tristable switching. Jpn. J. Appl. Phys., 28, L1261-1264; Chandani, A.D.L., Gorecka, E., Ouchi, Y., Takezoe, H. and Fukuda, A. (1989). Antiferroelectric chiral smectic phases responsible for the tristable switching in MHPOBC. Jpn. J. Appl. Phys., 28, L1265-1268.
4. Carvalho, P.S., Chaves, M.R., Destrade, C., Nguyen, H.T. and Glogarova, M. (1996). Ferroelectric and antiferroelectric modes in a new chiral thiobenzoate liquid crystal. Liq. Cryst., 21, 31-37.
5. Dabrowski, R., Oton, J.M., Urruchi, V., Gayo, J.L., Czuprynski, K. and Gauza, S. (2002). Induced antiferroelectric phases in multicomponent systems. Polish J. Chem., 76, 331-344.
6. Dhar, R. (2004). An impedance model to improve the higher frequency limit of electrical measurements on the capacitor cell made from electrodes of finite resistance. Indian J. Pure & Appl. Phys., 42, 56-61.
7. D'have, K., Rudquist, P., Lagerwall, T., Pauwels, H., Drzewinski, W. and Dabrowski, R. (2000). Solutions of the dark state problem in antiferroelectric liquid crystal displays. Applied Physics Letters, 76, 3528.
8. Gasowaska, J., Dabrowski, R., Drzewinski, W., Filipowicz, M., Przedmojski, J. and Kenig, K. (2004). Comparison of mesomorphic properties in chiral and achiral homologous series of high tilted ferroelectrics and antiferroelectrics. Ferroelectrics (in press).
9. Gasowaska, J., Dziaduszek, J., Drzewinski, W., Filipowicz, M., Dabrowski, R., Przedmojski, J. and Kenig, K. (2004). Influence of rigid core structure on layer tilt and mesomorphic properties in homologous series of three-ring antiferroelectric esters. Proc. Int. Soc. Opt. Engg. (SPIE), 5565, 72-78.
10. Gorecka, E., Pociecha, D., Cepic, M., Zeks, B. and Dabrowski, R. (2002). Enantiomeric excess dependence of the phase diagram of antigerroelectric liquid crystals. Phys. Rev., E., 65, 061703.
11. Gouda, F. (1992). Dielectric relaxation spectroscopy of chiral smectic liquid crystals, Ph.D. thesis submitted to Chalmer's University of Technology, Goteborg, Sweden.
12. Gouda, F., Skarp, K. and Lagerwall, S.T. (1991). Dielectric studies of the soft mode and goldstone mode in ferroelectric liquid crystals. Ferroelectrics, 113, 165-206.
13. Hill, N.E., Vaughan, W.E., Price, A.H. and Davies, M. (1969). Dielectric Properties and Molecular Behaviour van Nostrand Reinhold, London.
14. Hiller, S., Pikin, S.A., Hasse, W., Goodby, J.W. and Nishiyama, I. (1994). Dielectric dispersion in ferrielectric phase of antiferroelectric liquid crystal. Jpn. J. Appl. Phys., 33, L1096.
15. Hou, J., Schacht, J., Giebelmann, F. and Zugenmaier, P. (1997). Investigations on the field-induced switching behavior in an antiferroelectric liquid crystal. Liq. Cryst., 22, 401-407.
16. Kundu, S.K., Chaudari, B.K., Seed, A. and Jakli, A. (2003). Dielectric relaxations behaviour of a liquid crystal showing an unusual type of antiferroelectric-ferroelectric-antiferroelectric phase sequence. Phy. Rev. E, 67, 041704.
17. Lagerwall, S., Dahlgren, A., Jagemalm, P., Rudquist, P., D'have, K., Pauwels, H., Dabrowski, R. and Drzewinski, W. (2001). Unique electro-optical properties of liquid crystals designed for molecular optics. Adv. Fund. Mater., 11, 87-94.
18. Lagerwall, J.P.F., Rudquist, P., Lagerwall, S.T. and Giebelmann, F. (2003). On the phase sequence of antiferroelectric liquid crystals and its relation to orientational and translational order. Liq. Cryst., 30, 399-414.
19. Musevik, I., Blinc, R. and Zeks, B. (2000). The Physics of Ferroelectric and Antiferroelectric Liquid Crystals. Singapore: World Scientific.
20. Panarin, Y.P., Kalinovskaya, O. and Vij, J.K. (1998). The investigation of relaxation processes in antiferroelectric liquid crystals by broad band dielectric and electro-optic spectroscopy. Liq. Cryst., 25, 241-252.
21. Pandey, M.B., Dhar, R., Agrawal, V.K., Khare, R.P. and Dabrowski, R. (2003). Low-frequency dielectric spectroscopy of two room temperature chiral liquid crystal mixtures. Phase Transitions, 76, 945-958.
22. Pandey, M.B., Dhar, R., Agrawal, V.K., Dabrowski, R. and Tykarska, M. (2004). Study of different modes of dielectric relaxation in a newly-synthesised material exhibiting ferro-ferri- and antiferroelectric phases. Liq. Cryst., 31, 973-987.
23. Rudquist, P., Lagerwall, J.P.F., Meier, J.G., D'have, K. and Lagerwall, ST. (2002). Tilt plane orientation in antiferroelectric liquid crystal cells and the origin of pretransitional effect. Phy. Rev., E, 66, 061708.
24. Srivastava, A.K., Dhar, R., Agrawal, V.K. and Dabrowski, R. (2004). Study of different modes of dielectric relaxations in antiferroelectric liquid crystal MOPB(H)PBC. Proc. Int. Soc. Opt. Engg. (SPIE), 5565, 59-65.
25. Srivastava, S.L. and Dhar, R. (1991). Characteristic time of ionic conductance and electrode polarisation capacitance in some organic liquids by low-frequency dielectric spectroscopy. Indian J. Pure Appl. Phys., 29, 745-751.
26. Srivastava, S.L., Dhar, R. and Kurik, M.V. (1993). Change in optical and dielectric properties of Cholesteryl Myristate on γ-irradiation. Mol. Mat., 2, 261-273.
27. Takezoe, H. and Takanishi, Y. (2001). Smectic liquid crystals: antiferroelectric and ferrielectric phases. In: H.S. Kitzerow and C. Bahr (Eds.). Chirality in Liquid Crystals, pp. 296-354. Springer-Verlag, Berlin.
28. Uehara, H., Hanakai, Y., Hatano, J., Satio, S. and Murashiro, K. (1995). Dielectric relaxation modes in the phases of antiferroelectric liquid crystals. Jpn. J. Appl. Phys., 34, 5424-5428.