Chiral phases: Difference between revisions
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{{Stub-general}} | |||
'''Chiral phases''' of [[liquid crystals]]. | |||
==Chiral nematic phase== | |||
Also known as the cholesteric phase. | |||
====Helical twisting power==== | |||
The helical twisting power, <math>\beta_M</math>, determines the pitch of the chiral nematic phase produced when a [[nematic phase |nematic liquid crystal]] is doped with a low concentration of chiral solute molecules. | |||
<ref>[http://dx.doi.org/10.1063/1.480703 Melanie J. Cook and Mark R. Wilson "Calculation of helical twisting power for liquid crystal chiral dopants", Journal of Chemical Physics '''112''' pp. 1560-1564 (2000)]</ref> | |||
<ref>[http://dx.doi.org/10.1039/b103520g Mark R. Wilson and David J. Earl "Calculating the helical twisting power of chiral dopants", Journal of Materials Chemistry '''11''' pp. 2672-2677 (2001)]</ref> | |||
<ref>[http://dx.doi.org/10.1063/1.1590307 Maureen P. Neal, Miklos Solymosi, Mark R. Wilson and David J. Earl "Helical twisting power and scaled chiral indices", Journal of Chemical Physics '''119''' 3567 (2003)]</ref> | |||
<ref>[http://dx.doi.org/10.1063/1.1617980 David J. Earl and Mark R. Wilson "Predictions of molecular chirality and helical twisting powers: A theoretical study", Journal of Chemical Physics '''119''' 10280 (2003)]</ref> | |||
<ref>[http://dx.doi.org/10.1063/1.1718122 David J. Earl and Mark R. Wilson "Calculations of helical twisting powers from intermolecular torques", Journal of Chemical Physics '''120''' pp. 9679-9683 (2004)]</ref> | |||
==See also== | |||
*[[Nematic phase]] | |||
==References== | |||
<references/> | |||
;Related reading | |||
*[http://dx.doi.org/10.1103/PhysRevX.4.031050 Daniel A. Beller, Thomas Machon, Simon Čopar, Daniel M. Sussman, Gareth P. Alexander, Randall D. Kamien, and Ricardo A. Mosna "Geometry of the Cholesteric Phase", Physical Review X '''4''' 031050 (2014)] | |||
*[http://dx.doi.org/10.1080/00268976.2016.1168532 Michael P. Allen "Density functional theory for chiral nematic liquid crystals", Molecular Physics '''114''' pp. 2574-2579 (2016)] | |||
*[http://dx.doi.org/10.1063/1.4982934 Maxime M. C. Tortora and Jonathan P. K. Doye "Perturbative density functional methods for cholesteric liquid crystals", Journal of Chemical Physics '''146''' 184504 (2017)] | |||
*[https://doi.org/10.1063/1.5002666 Maxime M. C. Tortora and Jonathan P. K. Doye "Hierarchical bounding structures for efficient virial computations: Towards a realistic molecular description of cholesterics", Journal of Chemical Physics '''147''' 224504 (2017)] | |||
[[category: liquid crystals]] | [[category: liquid crystals]] | ||
Latest revision as of 14:33, 18 December 2017
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Chiral phases of liquid crystals.
Chiral nematic phase[edit]
Also known as the cholesteric phase.
Helical twisting power[edit]
The helical twisting power, , determines the pitch of the chiral nematic phase produced when a nematic liquid crystal is doped with a low concentration of chiral solute molecules. [1] [2] [3] [4] [5]
See also[edit]
References[edit]
- ↑ Melanie J. Cook and Mark R. Wilson "Calculation of helical twisting power for liquid crystal chiral dopants", Journal of Chemical Physics 112 pp. 1560-1564 (2000)
- ↑ Mark R. Wilson and David J. Earl "Calculating the helical twisting power of chiral dopants", Journal of Materials Chemistry 11 pp. 2672-2677 (2001)
- ↑ Maureen P. Neal, Miklos Solymosi, Mark R. Wilson and David J. Earl "Helical twisting power and scaled chiral indices", Journal of Chemical Physics 119 3567 (2003)
- ↑ David J. Earl and Mark R. Wilson "Predictions of molecular chirality and helical twisting powers: A theoretical study", Journal of Chemical Physics 119 10280 (2003)
- ↑ David J. Earl and Mark R. Wilson "Calculations of helical twisting powers from intermolecular torques", Journal of Chemical Physics 120 pp. 9679-9683 (2004)
- Related reading
- Daniel A. Beller, Thomas Machon, Simon Čopar, Daniel M. Sussman, Gareth P. Alexander, Randall D. Kamien, and Ricardo A. Mosna "Geometry of the Cholesteric Phase", Physical Review X 4 031050 (2014)
- Michael P. Allen "Density functional theory for chiral nematic liquid crystals", Molecular Physics 114 pp. 2574-2579 (2016)
- Maxime M. C. Tortora and Jonathan P. K. Doye "Perturbative density functional methods for cholesteric liquid crystals", Journal of Chemical Physics 146 184504 (2017)
- Maxime M. C. Tortora and Jonathan P. K. Doye "Hierarchical bounding structures for efficient virial computations: Towards a realistic molecular description of cholesterics", Journal of Chemical Physics 147 224504 (2017)