Molecular reorientation of a nematic liquid crystal by thermal expansion

Nature Communications

Volumn 3, Issue , 2012, Pages

  Kim, Young Ki ^a   Senyuk, Bohdan ^a,b   Lavrentovich, Oleg D ^a  

^a KENT STATE UNIVERSITY   (United States)

^b UNIVERSITY OF COLORADO   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CRYSTAL; ELECTROMAGNETIC FIELD; FLOW PATTERN; MOLECULAR ANALYSIS; OPTICAL THEORY; ORIENTATION; TEMPERATURE EFFECT;

ARTICLE; COLLOID; ELECTROMAGNETIC FIELD; LAB ON A CHIP; LIQUID CRYSTAL; MICROFLUIDICS; MOLECULAR MECHANICS; MOLECULAR REORIENTATION; MOLECULE; OPTICS; OPTOFLUIDICS; PRESSURE; SURFACE PROPERTY; TECHNOLOGY; TEMPERATURE; THERMAL EXPANSION; THERMODYNAMICS; TORQUE;

EID: 84869436353     PISSN: None     EISSN: 20411723     Source Type: Journal    
DOI: 10.1038/ncomms2073     Document Type: Article

References (26)

1. Yang, D. K. & Wu, S. T. Fundamentals of Liquid Crystal Devices (John Wiley, New York, 2006).
2. Shah, R. R. & Abbott, N. L. Principles for measurement of chemical exposure based on recognition-driven anchoring transitions in liquid crystals. Science 293, 1296-1299 (2001). (Pubitemid 32777414)
3. Lin, I. H. et al. Endotoxin-induced structural transformations in liquid crystalline droplets. Science 332, 1297-1300 (2011).
4. Humar, M. & Musevic, I. Surfactant sensing based on whispering-gallery-mode lasing in liquid-crystal microdroplets. Opt. Express 19, 19836-19844 (2011).
5. Sengupta, A., Tkalec, U. & Bahr, C. Nematic textures in microfuidic environment. Sof Matter 7, 6542-6549 (2011).
6. Psaltis, D., Quake, S. R. & Yang, C. Developing optofuidic technology through the fusion of microfuidics and optics. Nature 442, 381-386 (2006). (Pubitemid 44264781)
7. Cuennet, J. G., Vasdekis, A. E., De Sio, L. & Psaltis, D. Optofuidic modulator based on peristaltic nematogen microfows. Nat. Photon. 5, 234-238 (2011).
8. De Gennes, P. G. & Prost, J. The Physics of Liquid Crystals (Clarendon Press, Oxford, 1993).
9. Batchelor, G. K. An Introduction to Fluid Dynamics (University Press, Cambridge, 1970).
10. Yariv, E. & Brenner, H. Flow animation by unsteady temperature felds. Phys. Fluids 16, L95-L98 (2004). (Pubitemid 39538590)
11. Tripathi, A., Bozkurt, O. & Chauhan, A. Dispersion in microchannels with temporal temperature variations. Phys. Fluids 17, 103607 (2005).
12. Weinert, F. M., Mast, C. B. & Braun, D. Optical fuid and biomolecule transport with thermal felds. Phys. Chem. Chem. Phys. 13, 9918-9928 (2011).
13. Scharf, T. Polarized Light in Liquid Crystals and Polymers (John Wiley & Sons, New York, 2007).
14. Senyuk, B., Kim, Y.-K., Tortora, L. Q., Shin, S.-T., Shiyanovskii, S. V. & Lavrentovich, O. D. Surface alignment, anchoring transitions, optical properties and topological defects in nematic bent-core materials C7 and C12. Mol. Cryst. Liq. Cryst. 540, 20-41 (2011).
15. Smalyukh, I. I., Shiyanovskii, S. V. & Lavrentovich, O. D. Tree-dimensional imaging of orientational order by fuorescence confocal polarizing microscopy Chem. Phys. Lett. 336, 88-96 (2001). (Pubitemid 33631199)
16. Hiltrop, K. & Fischer, F. Radial Poiseuille fow of a homeotropic nematic LC layer. Z Naturforsch A 31, 800-807 (1976).
17. Waton, G., Ferre, A., Candau, S., Perbet, J. N. & Hareng, M. Characterization of distortions induced by a fow or an electric feld in nematic flms using conoscopic experiments. Mol. Cryst. Liq. Cryst. 78, 237-249 (1981). (Pubitemid 12474249)
18. Zuniga, I. & Lesile, F. M. Orientational instabilities in plane Poiseuille fow of certain nematic liquid crystals. J. Non-Newtonian Fluid Mech. 33, 123-136 (1989). (Pubitemid 20623414)
19. Jewell, S. A., Cornford, S. L., Yang, F., Cann, P. S. & Sambles, J. R. Flow-driven transition and associated velocity profles in a nematic liquid-crystal cell. Phys. Rev. E 80, 041706 (2009).
20. Rey, A. D. & Denn, M. M. Dynamical phenomena in liquid-crystalline materials. Annu. Rev. Fluid Mech. 34, 233-266 (2002). (Pubitemid 35372023)
21. Kleman, M. & Lavrentovich, O. D. Sof Matter Physics: An Introduction (Springer, New York, 2003).
22. Poulin, P, Stark, H., Lubensky, T. C. & Weitz, D. A. Novel colloidal interactions in anisotropic fuids. Science 275, 1770-1773 (1997). (Pubitemid 27136709)
23. Pishnyak, O. P, Tang, S., Kelly, J. R., Shiyanovskii, S. V. & Lavrentovich, O. D. Levitation, lif, and bidirectional motion of colloidal particles in an electrically driven nematic liquid crystal. Phys. Rev. Lett. 99, 127802 (2007).
24. Wang, H., Wu, T. X., Gauza, S., Wu, J. R. & Wu, S. T. A method to estimate the Leslie coefcients of liquid crystals based on MBBA data. Liq. Cryst. 33, 91-98 (2006).
25. Senyuk, B., Wonderly, H., Mathews, M., Li, Q., Shiyanovskii, S. V. & Lavrentovich, O. D. Surface alignment, anchoring transitions, optical properties, and topological defects in the nematic phase of thermotropic bent-core liquid crystal A131. Phys. Rev. E 82, 041711 (2010).
26. Kim, Y.-K. et al. Search for biaxiality in a shape-persistent bent-core nematic liquid crystal. Sof Matter 8, 8880-8890 (2012).