Chiral phases: Difference between revisions
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==Chiral nematic phase== | ==Chiral nematic 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. | ||
*[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/10.1063/1.480703 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/10.1039/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)] | ||
Revision as of 18:42, 21 November 2007
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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)