Faceted particles embedded in a nematic liquid crystal matrix: Textures, stability and filament formation

Soft Matter

Volumn 7, Issue 18, 2011, Pages 8592-8604

  Phillips, P M ^a   Mei, N ^a   Reven, L ^a   Rey, Alejandro ^a  

^a MCGILL UNIVERSITY   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

COLLOIDAL PARTICLE; CONTROL VARIABLE; CRITICAL VALUE; DISCLINATION LINES; DISCLINATIONS; FACETED PARTICLES; FILAMENT FORMATION; INTERPARTICLE DISTANCES; KINETIC SIMULATION; LANDAU-DE GENNES EQUATION; LINE TENSION; LINKAGE MECHANISM; LOW TEMPERATURES; MULTIMERS; MULTIPLE PARTICLES; NEMATIC LIQUIDS; NEMATICS; NEMATODYNAMICS; PARTICLE ASSEMBLIES; PARTICLE SEPARATION; POTENTIAL FUNCTIONALITY; STABLE MODES; TEXTURE SIMULATION; TOPOLOGICAL TRANSITIONS;

DEFECTS; GRAPHIC METHODS; NANOCOMPOSITES; NEMATIC LIQUID CRYSTALS; PARTICLE SEPARATORS; PARTICLE SIZE; PHASE DIAGRAMS; SIZE SEPARATION; TEXTURES; TOPOLOGY;

SURFACE DEFECTS;

EID: 80052536393     PISSN: 1744683X     EISSN: 17446848     Source Type: Journal    
DOI: 10.1039/c1sm05870c     Document Type: Article

References (43)

1. A. G. Cheong A. D. Rey Texture dependence of capillary instabilities in nematic liquid crystalline fibers Liq. Cryst. 2004 31 1271 1284
2. S. K. Das A. D. Rey Texture formation under phase ordering and phase separation in polymer-liquid crystal mixtures J. Chem. Phys. 2004 121 9733 9743 (Pubitemid 40001738)
3. G. Gupta A. D. Rey Texture Modeling in Carbon-Carbon Composites based on Mesophase Precursor Matrices Carbon 2005 43 1400 1406 (Pubitemid 40584258)
4. G. Gupta D. K. Hwang A. D. Rey Optical and structural modeling of disclination lattices in carbonaceous mesophases J. Chem. Phys. 2005 122 034902 11
5. S. K. Das A. D. Rey Colloidal crystal formation via polymer liquid crystal demixing Europhys. Lett. 2005 70 621 627 (Pubitemid 40758645)
6. J. Fukuda H. Yokoyama Direct configuration and dynamics of a nematic liquid crystal around a two dimensional spherical particle: Numerical analysis using adaptive grids Eur. Phys. J. 2001 4 389 396
7. A. D. Rey J. Yan Modelling elastic and viscous effects on the texture of ribbon shaped carbon fibers Carbon 2003 41 105 121
8. S. Chandrasekhar The structures and energetics of defects in liquid crystals Adv. Phys. 1986 35 507 596 (Pubitemid 17605895)
9. P. G. de Gennes and J. Prost. The Physics of Liquid Crystals. Clarendon, Oxford, 1993
10. M. Kleman. Points, Lines and Walls: In Liquid Crystals, Magnetic Systems and Various Ordered Media. John Wiley and Sons, 1982
11. M. Kleman and O. D. Lavrentovich. Soft Matter Physics: An Introduction. Springer, Wien, 2009
12. M. Srinivasarao. Liquid Crystals in the Nineties and Beyond. World Scientific Publisher Company, 1995
13. M. Svetec S. Kralij Z. Brandac S. Zumer Annihilation of nematic point defects: pre-collision and post-collision evolution Eur. Phys. J. 2006 20 71 79 (Pubitemid 43832907)
14. K. Tojo A. Furukawa T. Araki A. Onuki Defect structures in nematic liquid crystals around charged particles Eur. J. Phys. 2009 30 55 64
15. E. G. Virga. Variational Theories for Liquid Crystals. Chapman and Hall, 1994
16. R. L. Weitz J. E. Zimmer Disclinations in a graphite fiber bundle Carbon 1984 22 209
17. M. G. Forest W. Mullins Q. Wang X. Yang Dynamic defect morphology and hydrodynamics of sheared nematic polymers in two space dimensions J. Rheol. 2009 53 589 615
18. M. G. Forest W. Mullins Q. Wang X. Yang Quench sensitivity to defects and shear banding in nematic polymer film flows J. Non-Newtonian Fluid Mech. 2009 159 115 129
19. F. R. Hung Quadropolar particles in a nematic liquid crystal: Effects of particle size and shape Physical Review 2009 79 021705
20. N. J. Mottram T. J. Sluckin Defect-induced melting in nematic liquid crystals Liq. Cryst. 2000 10 1301 1304
21. A. N. Pargellis J. Mendez M. Srinivasarao B. Yurke Dynamics of monopole annihilation by type -1/2 strings in nematic liquid crystals Phys. Rev. 1996 53 R25 R28 (Pubitemid 126583697)
22. P. M. Phillips and A. D. Rey. Characterizing texture formation in fiber lattices embedded in a nematic liquid crystal matrix. European Journal of Applied Mathematics, 10.1017/S0956792510000331, Published Online, 2011
23. J. Yan A. D. Rey Texture formation in carbonaceous mesophase fibers Physical Review 2002 65 031713
24. G. Gupta A. D. Rey Texture rules for filled nematics Physical Review Letters 2005 95 127802
25. B. Wincure A. D. Rey Computational Modeling of Nematic Phase Ordering by Film and Droplet Growth over Heterogeneous Substrates Liq. Cryst. 2007 34 1397 1413
26. B. Wincure A. D. Rey Nanoscale analysis of defect shedding from liquid crystal interfaces Nano Lett. 2007 7 1474 1479 (Pubitemid 47140409)
27. G. M. Koenig J. P. Hernandez-Ortiz N. L. Abbott B. T. Gettelfinger J. A. Moreno-Razo J. J. de Pablo Flow induced deformation of defects around nanoparticles and nanodroplets suspended in liquid crystals Soft Matter 2010 6 896 901
28. C. P. Lapointe T. G. Mason I. I. Smalyukh Shape-controlled colloidal interactions in nematic liquid crystals Science 2009 326 1083 1086
29. T. Scharf. Polarized Light In Liquid Crystals And Polymers. Wiley, 2007
30. P. M. Phillips A. D. Rey Texture formation mechanisms in faceted particles embedded in a nematic liquid crystal matrix Soft Matter 2011 10.1039/c0sm1245a
31. S. Bale F. R. Hung Faceted nanoparticles in a nematic liquid crystal: defect structures and potentials of mean force Molecular Simulation 2009 34 822 834
32. M. M. Denn A. D. Rey Dynamical Phenomena In Liquid-Crystalline Materials Annu. Rev. Fluid Mech. 2002 34 233 266 (Pubitemid 35372023)
33. S. Hess A. Sonnet Alignment tensors versus director: Description of defects in nematic liquid crystals Physical Review 1995 52 718 722
34. A. D. Rey Capillary models for liquid crystal fibers, membranes, films and drops Soft Matter 2007 3 1349 1368 (Pubitemid 47587192)
35. A. D. Rey Flow and texture modeling of liquid crystaline materials Rheology Reviews 2009 6 71 135
36. A. D. Rey Liquid crystal models of biological materials and processes Soft Matter 2010 6 3402 3429
37. A. D. Rey T. Tsuji Recent advances in theoretical liquid crystal rheology Macromol. Theory Simul. 1998 7 623 639 (Pubitemid 128480154)
38. N. Schopol T. J. Sluckin Landau-de Gennes theory of isotropic-nematic- smectic liquid crystal transitions Physical Review Letters 2007 75 051707
39. A. D. Rey Macroscopic theory of orientation transitions in the extension flow of side-chain nematic polymers Rheol. Acta 1995 34 119 131
40. G. de Luca A. D. Rey Point and ring defects under capillary confinement J. Chem. Phys. 2007 127 104902
41. J. Friedel. Dislocations. Pergamon, Oxford, 1967
42. COMSOL. Multiphysics, Modelling and Simulation. http://www.comsol.com
43. P. Oswald and P. Pieranski. Nematic and Cholesteric Liquid Crystals: Concepts and Physical Properties Illustrated by Experiments. Taylor and Francis, New York, 2005