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Articles

Critical behaviour of a polar-polar binary system from optical birefringence measurements

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Pages 22-31 | Received 09 Mar 2015, Accepted 06 May 2015, Published online: 30 Jun 2015

References

  • Vertogen G, de Jeu WH. Thermotropic liquid crystals: fundamentals. Berlin: Springer; 1988.
  • de Gennes PG, Prost J. The physics of liquid crystals. Oxford: Clarendon; 1994.
  • Collings PJ, Hird M. Introduction to liquid crystals: chemistry and physics. London: Taylor & Francis; 1997.
  • Kobayashi KK. On the theory of translational and orientational melting with application to liquid crystals. Phys Lett A. 1970;31:125–126. doi:10.1016/0375-9601(70)90186-6.
  • McMillan WL. Simple molecular model for the smectic A phase of liquid crystals. Phys Rev A. 1971;4:1238–1246. doi:10.1103/PhysRevA.4.1238.
  • de Gennes PG. An analogy between superconductors and smectics A. Solid State Commun. 1972;10:753–756. doi:10.1016/0038-1098(72)90186-X.
  • Birgeneau RJ, Garland CW, Kasting GB, et al. Critical behavior near the nematic-smectic-A transition in butyloxybenzylidene octylaniline (40.8). Phys Rev A. 1981;24:2624–2634. doi:10.1103/PhysRevA.24.2624.
  • Garland CW, Meichle M, Ocko BM, et al. Critical behavior at the nematic-smectic-A transition in butyloxybenzylidene heptylaniline (4O.7). Phys Rev A. 1983;27:3234–3240. doi:10.1103/PhysRevA.27.3234.
  • Sied MB, Salud J, López DO, et al. Binary mixtures of nCB and nOCB liquid crystals. Two experimental evidences for a smectic A-nematic tricritical point. Phys Chem Chem Phys. 2002;4:2587–2593. doi:10.1039/b111485a.
  • Marynissen H, Thoen J, van Dael W. Experimental evidence for a nematic to smectic A tricritical point in alkylcyanobiphenyl mixtures. Mol Cryst Liq Cryst. 1985;124:195–203. doi:10.1080/00268948508079476.
  • Lafouresse MG, Sied MB, Allouchi H,et al. On the nature of the smectic mesophase in 8CB + 10CB binary mixtures. Evidences for a smectic A to nematic tricritical point. Chem Phys Lett. 2003;376:188–193. doi:10.1016/S0009-2614(03)00904-7.
  • Chakraborty A, Chakraborty S, Das MK. Effect of hockey-stick-shaped molecules on the critical behavior at the nematic to isotropic and smectic-A to nematic phase transitions in octylcyanobiphenyl. Phys Rev E. 2015;91:032503(1)–032503(11). doi:10.1103/PhysRevE.91.032503.
  • Halperin BI, Lubensky TC, Ma S-K. First-order phase transitions in superconductors and smectic-A liquid crystals. Phys Rev Lett. 1974;32:292–295. doi:10.1103/PhysRevLett.32.292.
  • Maier W, Saupe A. Eine einfache molekular-statistische theorie der nematischen kristallinflüssigen phase teil l. Z. Naturforsch. 1959;14A:882–889.
  • Keyes PH. Tricritical behavior at the isotropic-nematic transition. Phys Lett A. 1978;67:132–134. doi:10.1016/0375-9601(78)90043-9.
  • Anisimov MA, Garber SR, Esipov VS, et al. Anomaly of the specific heat and the nature of the phase transition from an isotropic liquid to a nematic liquid crystal. Sov Phys JETP. 1977;45:1042–1047.
  • Sarkar SK, Barman PC, Das MK. Optical birefringence and its critical behavior in the vicinity of nematic–smectic A phase transition in a binary mixture. Physica B. 2014;446:80–84. doi:10.1016/j.physb.2014.04.041.
  • Sarkar SK, Das MK. Critical behavior of optical birefringence at the nematic–smectic A phase transition in a binary liquid crystal system. J Mol Liq. 2014;199:415–418. doi:10.1016/j.molliq.2014.09.040.
  • Sarkar SK, Das MK. Critical behaviour at the nematic–smectic A phase transition in binary mixture showing induced nematic phase. RSC Adv. 2014;4:19861–19868.
  • Chirtoc I, Chirtoc M, Glorieux C, Thoen J. Determination of the order parameter and its critical exponent for nCB (n=5–8) liquid crystals from refractive index data. Liq Cryst. 2004;31:229–240. doi:10.1080/02678290310001642540.
  • Prasad A, Das MK. Optical birefringence studies of a binary mixture with the nematic–smectic Ad -re-entrant nematic phase sequence. J Phys: Condens Matter. 2010;22:195106(1)- 195106 (7).
  • Sarkar G, Das B, Das MK, et al. Structural investigations of a non calamitic shaped liquid crystalline compound showing unusual phases. Mol Cryst Liq Cryst. 2011;540:188–195. doi:10.1080/15421406.2011.568840.
  • Chakraborty A, Das B, Das MK, et al. New hockey stick compounds with a lateral methyl group showing nematic, synclinic and anticlinic smectic C phases. Liq Cryst. 2011;38:1085–1097. doi:10.1080/02678292.2011.596227.
  • Haller I. Thermodynamic and static properties of liquid crystals. Prog Solid State Chem. 1975;10:103–118. doi:10.1016/0079-6786(75)90008-4.
  • Thoen J, Menu G. Temperature dependence of the static relative permittivity of octylcyanobiphenyl (8CB). Mol Cryst Liq Cryst. 1983;97:163–176. doi:10.1080/00268948308073148.
  • Yildiz S, Özbek H, Glorieux C, et al. Critical behaviour at the isotropic-nematic and nematic-smectic A phase transitions of 4-butyloxyphenyl 4΄-decyloxybenzoate liquid crystal from refractive index data. Liq Cryst. 2007;34:611–620. doi:10.1080/02678290701297974.
  • Erkan S, Çetinkaya M, Yildiz S,et al. Critical behavior of a nonpolar smectogen from high-resolution birefringence measurements. Phys Rev E. 2012;86:041705(1)–041705(14). doi:10.1103/PhysRevE.86.041705.
  • Bevington PR. Data reduction and error analysis for the physical sciences. New York (NY): McGraw Hill; 1969.
  • Garland CW, Nounesis G. Critical behavior at nematic-smectic-A phase transitions. Phys Rev E. 1994;49:2964–2971. doi:10.1103/PhysRevE.49.2964.
  • Cusmin P, Salud J, López DO, et al. Re-entrant nematic behavior in the 7OCB+9OCB mixtures: evidence for multiple nematic-smectic tricritical points. J Phys Chem B. 2006;110:26194–26203. doi:10.1021/jp0642286.
  • Cusmin P, de la Fuente MR, Salud J, et al. Critical behavior and scaling relationships at the SmAd-N and N-I transitions in nonyloxycyanobiphenyl (9OCB). J Phys Chem B. 2007;111:8974–8984. doi:10.1021/jp070689v.
  • Thoen J, Marynissen H, van Dael W. Nematic-smectic-A tricritical point in alkylcyanobiphenyl liquid crystals. Phys Rev Lett. 1984;52:204–207. doi:10.1103/PhysRevLett.52.204.
  • Sied MB, Salud J, López DO, et al. Reentrant behavior in binary mixtures of (octyloxy)cyanobiphenyl (8OCB) and the shorter chain homologue (heptyloxy)cyanobiphenyl (7OCB). J Phys Chem B. 2003;107:7820–7829. doi:10.1021/jp021649o.
  • Rzoska SJ, Ziolo J, Sułkowski W, et al. Fluidlike behavior of dielectric permittivity in a wide range of temperature above and below the nematic-isotropic transition. Phys Rev E. 2001;64:052701(1)–052701(4). doi:10.1103/PhysRevE.64.052701.
  • Żywociński A. Spinodal temperatures at the nematic to isotropic phase transition from precise volumetric measurements. J Phys Chem B. 2003;107:9491–9497. doi:10.1021/jp022414f.
  • Salud J, Cusmin P, de la Fuente MR, et al. Study of the critical behavior and scaling relationships at the N-to-I phase transition in hexyloxycyanobiphenyl. J Phys Chem B. 2009;113:15967–15974. doi:10.1021/jp906105u.

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