Chiral phases: Difference between revisions
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{{Stub-general}} | {{Stub-general}} | ||
'''Chiral phases''' of [[liquid crystals]]. | |||
==Chiral nematic phase== | ==Chiral nematic phase== | ||
Also known as the cholesteric phase. | |||
====Helical twisting power==== | ====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. | 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)] | |||
[[category: liquid crystals]] | [[category: liquid crystals]] | ||
Revision as of 13:13, 30 March 2016
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Chiral phases of liquid crystals.
Chiral nematic phase
Also known as the cholesteric phase.
Helical twisting power
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
References
- ↑ 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