Chiral phases: Difference between revisions
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====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. | ||
#[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)] | |||
#[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)] | |||
#[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)] | |||
#[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)] | |||
#[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)] | |||
==References== | ==References== | ||
[[category: liquid crystals]] | [[category: liquid crystals]] | ||
Revision as of 17:05, 23 January 2008
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Chiral nematic 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.
- 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)