Twisted grain boundary phases in the binary mixtures of 3β-chloro-5-cholestene and 4-N-decyloxybenzoic acid

Phase Transitions

Volumn 76, Issue 8, 2003, Pages 763-780

  Dhar, R ^a   Pandey, M B ^a   Agrawal, V K ^b  

^a EWING CHRISTIAN COLLEGE   (India)

^b UNIVERSITY OF ALLAHABAD   (India)

Author keywords

Binary mixture; Chiral Chen Lubenski model; Dielectric permitivity; Twisted grain boundary phases

Indexed keywords

CHIRAL CHEN-LUBENSKI MODEL; DIELECTRIC PERMITTIVITY; TWISTED GRAION BOUNDARY PHASE;

CONCENTRATION (PROCESS); GRAIN BOUNDARIES; PERMITTIVITY; PHASE DIAGRAMS; PHASE TRANSITIONS; SMECTIC LIQUID CRYSTALS;

BINARY MIXTURES;

EID: 4444221967     PISSN: 01411594     EISSN: 10290338     Source Type: Journal    
DOI: 10.1080/0141159031000103029     Document Type: Article

References (39)

1. Bouchta, A., Nguyen, H.T., Navailles, L., Barois, P., Destrade, C., Bougrioua, F. and Isaert, N. (1995). Three chiral tolane series with twist grain boundary smectic A and C mesophases. J. Mater. Chem., 5, 2079-2092.
2. Brunt, M., Navailles, M.L. and Clark, N.A. (2002). Novel twist grain boundary smectic-C phases. Euro Phys J E, 7, 5-11.
3. Chou, L.S. and Carr, E.F. (1973). Molecular alignment owing to electric and high magnetic fields in the liquid crystals p-n-nonyloxybenzoic acid. Phys. Rev. A, 7, 1639-1641.
4. Dhar, R., Pandey, M.B. and Agrawal, V.K. (2003). Thermodynamical and optical studies of ternary mixtures of heptyloxybenzoic acid, decyloxybenzoic acid and cholesteryl caprylate. Mol. Cryst. & Liq. Cryst. (in press).
5. Dhar, R., Pandey, R.S. and Agrawal, V.K. (2002). Optical and thermodynamical studies of binary mixtures of nematic liquid crystals from the homologous members of the alkyloxybenzoic acid. Indian. J. Pure Appl. Phys., 40, 901-907.
6. Dhar, R., Srivastava, A.K. and Agrawal, V.K. (2002). Induced twist grain boundary phases in the binary mixtures of cholesteryl caprylate and nonyloxybenzoic acid. Indian J. Pure Appl. Phys., 40, 694-700.
7. Dierking, I. and Lagerwall, S.T. (1999). A review of textures of the TGBA* phase under different anchoring geometries. Liq. Cryst., 26, 83-95.
8. Garland, C.W. (1999). Twist-grain-boundary phase diagrams in chiral liquid crystals. Liq. Cryst., 26, 669-677.
9. Goodby, J.W. (1999). Twist grain boundary (TGB) phases. In: Mingos, D.M.P. (Ed.), Liquid Crystals II, Vol. 95, pp. 83-147. Springer-Verlag, Berlin.
10. Goodby, J.W., Waugh, M.A., Stein, S.M., Chin, E., Pindak, R. and Patel, J.S. (1989). Characteristic of new helical smectic liquid crystal. Nature, 337, 449-452.
11. Gouda, F.M. (1992). Dielectric relaxation spectroscopy of chiral smectic liquid crystals. Ph.D. thesis submitted to Chalmer's University of Technology, Goteborg (Sweden).
12. Hsu, E.C.H. and Johnson, J.F. (1974). Prediction of eutectic temperatures, compositions and phase diagrams for binary mesophase systems. Mol. Cryst. Liq. Cryst., 21, 95-104.
13. Kitzerow, H.S. (2001). Twist grain boundary phases. In: Kitzerow, H.S. and Bahr, C. (Eds.), Chirality in Liquid Crystals, pp 296-354. Springer-Verlag, Berlin.
14. Kuczynski, W. and Stegemeyer, H. (1995). Twist grain boundary phases in binary mixtures. Mol. Cryst. Liq. Cryst., 260, 377-386.
15. Kuczynski, W. and Stegemeyer, H. (1997). Polymorphism of twist grain boundary phases near the chiral NAC-point. SPIE, 3318, 90-93.
16. Lavrentovich, O.D., Nastishin, Y.A., Kulishov, V.I., Narkevich, Y.S. and Tolochko, AS. (1990). Helical smectic A. Europhys. Lett., 13, 313-318.
17. C phases. J Phys. II France, 6, 1243-1258.
18. A phase and of a presumed chiral line liquid phase. Phys. Rev. Lett., 81, 4168-4171.
19. Navailles, L., Pindak, R., Barois and Nguyen, H.T. (1995). Structural study of the smectic-C twist grain boundary phase. Phys. Rev. Lett., 74, 5224-5227.
20. Pansu, B., Li, M.H. and Nguyen, H.T. (1997). Structural measurement in blue phases with smectic ordering. J. Phys. II France, 7, 751-763.
21. Petrov, M. and Durand, G. (1996). Polar surface bifurcation in dimerized nematic phase of 4-n alkoxybenzoic acids. J Phys. France, 6, 1259-1272.
22. Pisupati, S., Kumar, P.A. and Pisipati, V.G.K.M. (2000). Induced crystal-G phase through intermolecular hydrogen bonding II. Influence of alkyl chain length of n-alkyl p-hydroxybenzoates on thermal and phase behaviour. Liq. Cryst., 27, 665-669.
23. Pramod, P.A., Pratibha, R. and Madhusudana, N.V. (1997). A three-dimensionally modulated structure in a chiral smectic-C liquid crystal. Current Science (India), 73, 761-765.
24. Prasad, S.K., Nair, G.G., Chandrasekhar, S. and Goodby, J.W. (1995). Pressure induced twist grain boundary phase. Mol. Cryst. Liq. Cryst., 260, 387-394.
25. Renn, S.R. (1992). Multicritical behavior of A brikosov vortex lattices near the cholesteric-smectic-A-smecticC* point. Phys. Rev. A, 45, 953-973.
26. Renn, S.R. and Lubenski, T.C. (1988). Abrikosov dislocation lattice in a model of the cholesteric-to-srnecticA transition. Phys. Rev. A, 38, 2132.
27. Renn, S.R. and Lubenski, T.C. (1991). Existence of a Sm-C grain boundary phase at the chiral NAC point. Mol. Cryst. Liq. Cryst., 209, 349-355.
28. Ribeiro, A.C., Nguyen, H.T., Galerne and Guillon D. (2000). Optical textures in TGBA mesophases. Liq. Cryst., 27, 27-34.
29. Shao, R., Pang, J., Clark, N.A., Rego, J.A. and Walba, M. (1993). Electric field induced transition from TGBA* and TGBC* to smectic A* and C* states. Ferroelectrics, 147, 255-262.
30. Srivastava, S.L. (1993). Electrical properties of ferro electric liquid crystals. Proc. Nat. Acad. Sc. (India), 63, 311-332.
31. Srivastava, S.L. and Dhar, R. (1991). Characteristic time of ionic conductance and electrode polarization capacitance in some organic liquids by low frequency dielectric spectroscopy. Indian J Pure & Appl. Phys., 29, 745-751.
32. Srivastava, S.L. and Dhar, R. (1998). Dielectric anisotropy and ac conductivity of bicomponent mixtures of liquid crystals cholesteryl pelargonate and nonyloxybenzoic acid. Mol. Cryst. Liq. Cryst., 317, 23-36.
33. Srivastava, S.L. and Dhar, R. (1999). Study of liquid crystalline phases from temperature dependent dielectric constant. Indian J. Pure and Appl. Phys., 37, 891-898.
34. Srivastava, S. L. and Dhar, R. (2001). Thermodynamical study of binary mixtures of liquid crystals cholesterol myrustate and dodecylorybenzoic acid. Mol. Cryst. Liq. Cryst., 366, 79.
35. Srivastava, S.L., Dhar, R. and Kurik, M.V. (1993). Change in electrical and thermodynamical properties of cholesteryl myristate on irradiation. Mol. Mat., 02, 261-273.
36. Srivastava, S.L., Suri, S.K. and Gouda, P.M. (1987). Thermodynamical, optical & dielectric properties of cholesteryl chloride. Indian. J. Pure Appl. Phys., 25, 396-401.
37. Srivastava, S.L., Dhar, R. and Mukherjee, A. (1996). Thermodynamical properties of bicomponent mixtures of liquid crystals cholesteryl pelargonate and nonyloxybenzoic acid. Mol. Cryst. Liq. Cryst., 287, 139-154.
38. Torgova, S.I., Petrov, M.P. and Strigazzi, A. (2001). Textures of homologous 4-n-alkyloxybenzoic acids: spontaneous chirality and surface memory. Liq. Cryst., 28, 1439-1449.
39. Young, M., Pitsi, G., Li, M.H., Nguyen H.T., Jamee, P., Sigaud, G. and Thoen, J. (1998). An adiabatic scanning calorimetry study of a chiral liquid crystal tolane with blue phases and twist grain boundary phases. Liq. Cryst., 25, 387-391.