Organization of the polarization splay modulated smectic liquid crystal phase by topographic confinement

Proceedings of the National Academy of Sciences of the United States of America

Volumn 107, Issue 50, 2010, Pages 21311-21315

  Yoon, Dong Ki ^a   Deb, Rajdeep ^b   Chen, Dong ^a   Körblova, Eva ^a   Shao, Renfan ^a   Ishikawa, Ken ^c   Rao, Nandiraju V S ^b   Walba, David M ^a   Smalyukh, Ivan I ^a   Clark, Noel A ^a  

^a UNIVERSITY OF COLORADO   (United States)

^b ASSAM UNIVERSITY   (India)

^c TOKYO INSTITUTE OF TECHNOLOGY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; ATOMIC FORCE MICROSCOPY; CHEMICAL STRUCTURE; CONTROLLED STUDY; COOLING; LIQUID CRYSTAL; PHASE TRANSITION; POLARIZATION; PRIORITY JOURNAL; SCANNING ELECTRON MICROSCOPY; SURFACE TOPOGRAPHY; TOPOGRAPHY;

CRYSTALLIZATION; ELECTROCHEMISTRY; LIQUID CRYSTALS; MICROSCOPY, ATOMIC FORCE; MICROSCOPY, ELECTRON, SCANNING; MOLECULAR STRUCTURE; NANOTECHNOLOGY; SURFACE PROPERTIES;

EID: 78650718760     PISSN: 00278424     EISSN: 10916490     Source Type: Journal    
DOI: 10.1073/pnas.1014593107     Document Type: Article

References (28)

1. Niori T, Sekine T, Watanabe J, Furukawa T, Takezoe H (1996) Distinct ferroelectric smectic liquid crystals consisting of banana shaped achiral molecules. J Mater Chem 6:1231-1233.
2. Link DR, et al. (1997) Spontaneous formation of macroscopic chiral domains in a fluid smectic phase of achiral molecules. Science 278:1924-1927.
3. Coleman DA, et al. (2003) Polarization-modulated smectic liquid crystal phases. Science 301:1204-1211.
4. Jakli A, Krüerke D, Nair GG (2003) Liquid crystal fibers of bent-core molecules. Phys Rev E 67:051702.
5. Jakli A, Lischka C, Weissflog W, Pelzl G, Saupe A (2000) Helical filamentary growth in liquid crystals consisting of banana-shaped molecules. Liq Cryst 27:1405-1409.
6. Nastishin YA, Achard MF, Nguyen HT, Kleman M (2003) Textural analysis of a mesophase with banana shaped molecules. Eur Phys J E 12:581-591.
7. Schadt M, Schmitt K, Kozinkov V, Chigrinov V (1992) Surface-induced parallel alignment of liquid-crystals by linearly polymerized photopolymers. Jpn J Appl Phys 31:2155-2164.
8. Gibbons WM, Shannon PJ, Sun ST, Swetlin BJ (1991) Surface-mediated alignment of nematic liquid-crystals with polarized laser-light. Nature 351:49-50.
9. de Gennes PG, Prost J (1993) The Physics of Liquid Crystals (Clarendon, Oxford).
10. Vekris E, Kitaev V, Perovic DD, Aitchison JS, Ozin GA (2008) Visulization of stacking faults and their formation in colloidal photonic crystal films. Adv Mater 20:1110-1116.
11. Janning JL (1972) Thin-film surface orientation for liquid-crystals. Appl Phys Lett 21:173-174. (Pubitemid 27483338)
12. Berreman DW (1972) Solid surface shape and alignment of adjacent nematic liquidcrystals. Phys Rev Lett 28:1683-1686.
13. Cheng J, Boyd GD (1979) Liquid-crystal alignment properties of photolithographic gratings. Appl Phys Lett 35:444-446.
14. Jákli A, Krüerke D, Sawade H, Heppke G (2001) Evidence for triclinic symmetry in smectic liquid crystals of bent-shape molecules. Phys Rev Lett 86:5715-5718.
15. Yi Y, Nakata M, Martin AR, Clark NA (2007) Alignment of liquid crystals by topographically patterned polymer films prepared by nanoimprint lithography. Appl Phys Lett 90:163510.
16. Fukuda J, Yoneya M, Yokoyama H (2007) Surface-groove-induced azimuthal anchoring of a nematic liquid crystal: Berreman's model re-examined. Phys Rev Lett 98:187803.
17. Yoon DK, et al. (2007) Internal structure visualization and lithographic use of periodic toroidal holes in liquid crystals. Nat Mater 6:866-871.
18. Choi MC, et al. (2004) Ordered patterns of liquid crystal toroidal defects by microchannel confinement. Proc Natl Acad Sci USA 101:17340-17344.
19. Walba DM, et al. (2000) A ferroelectric liquid crystal conglomerate composed of racemic molecules. Science 288:2181-2184.
20. Yelamaggad CV, et al. (2007) A novel family of salicylaldimine-based five-ring symmetric and non-symmetric banana-shaped mesogens derived from laterally substituted resorcinol: synthesis and characterization. J Mater Chem 17:284-298.
21. Deb R, et al. (2010) Four-ring achiral unsymmetrical bent core molecules forming strongly fluorescent smectic liquid crystals with spontaneous polar and chiral ordered B7 and B1 phases. J Mater Chem 20:7332-7336.
22. Madou MJ (2002) Fundamentals of Microfabrication (CRC, Boca Raton, FL).
23. Jákli A, Saupe A (1997) Uniform bookshelf alignment of chiral smectic C films with guided backflow. J Appl Phys 82:2877-2880.
24. Kleman M, Lavrentovich OD (2003) Soft Matter Physics (Springer, New York).
25. Pishnyak OP, Nastishin YA, Lavrentovich OD Comment on "Self-organized periodic photonic structure in a nonchiral liquid crystal". Phys Rev Lett 93:109401-1.
26. Clark NA, Rieker TP (1988) Phys Rev A 37:1053-1056.
27. Hough LE, et al. (2009) Chiral isotropic liquids from achiral molecules. Science 325:452-456.
28. Yoon DK, et al. Liquid crystal periodic zigzags from geometrical and surface anchoring induced confinement: Origin and internal structure from mesoscopic scale to molecular level. Phys Rev E 82:041705.