Effect of enantiomeric excess on surface structures and phase sequences in free-standing liquid-crystal films

A. Cady; Z. Q. Liu; X. F. Han; S. T. Wang; M. Veum; N. Janarthanan; C. S. Hsu; D. A. Olson; C. C. Huang

doi:10.1103/PhysRevE.66.061704

Effect of enantiomeric excess on surface structures and phase sequences in free-standing liquid-crystal films

A. Cady
, Z. Q. Liu
, X. F. Han
, S. T. Wang
, M. Veum
, N. Janarthanan
, C. S. Hsu
, D. A. Olson
, C. C. Huang

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

We present differential optical reflectivity and null transmission ellipsometry data from several mixtures of MHPBC enantiomers. From this data, we have determined the chiral smectic phase sequence as a function of enantiomeric excess. The data suggest a change in the structure of the smectic-[formula presented] phase and the surface tilt state as the enantiomeric excess is reduced. The results also show that the intermediate phases, smectic [formula presented] smectic [formula presented] and smectic [formula presented] disappear sequentially on reducing the net chirality.

Original language	English (US)
Pages (from-to)	6
Number of pages	1
Journal	Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Volume	66
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevE.66.061704
State	Published - Dec 19 2002

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10.1103/PhysRevE.66.061704

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Cady, A., Liu, Z. Q., Han, X. F., Wang, S. T., Veum, M., Janarthanan, N., Hsu, C. S., Olson, D. A., & Huang, C. C. (2002). Effect of enantiomeric excess on surface structures and phase sequences in free-standing liquid-crystal films. Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 66(6), 6. https://doi.org/10.1103/PhysRevE.66.061704

Cady, A, Liu, ZQ, Han, XF, Wang, ST, Veum, M, Janarthanan, N, Hsu, CS, Olson, DA & Huang, CC 2002, 'Effect of enantiomeric excess on surface structures and phase sequences in free-standing liquid-crystal films', Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, vol. 66, no. 6, pp. 6. https://doi.org/10.1103/PhysRevE.66.061704

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abstract = "We present differential optical reflectivity and null transmission ellipsometry data from several mixtures of MHPBC enantiomers. From this data, we have determined the chiral smectic phase sequence as a function of enantiomeric excess. The data suggest a change in the structure of the smectic-[formula presented] phase and the surface tilt state as the enantiomeric excess is reduced. The results also show that the intermediate phases, smectic [formula presented] smectic [formula presented] and smectic [formula presented] disappear sequentially on reducing the net chirality.",

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doi = "10.1103/PhysRevE.66.061704",

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AU - Cady, A.

AU - Liu, Z. Q.

AU - Han, X. F.

AU - Wang, S. T.

AU - Veum, M.

AU - Janarthanan, N.

AU - Hsu, C. S.

AU - Olson, D. A.

AU - Huang, C. C.

PY - 2002/12/19

Y1 - 2002/12/19

N2 - We present differential optical reflectivity and null transmission ellipsometry data from several mixtures of MHPBC enantiomers. From this data, we have determined the chiral smectic phase sequence as a function of enantiomeric excess. The data suggest a change in the structure of the smectic-[formula presented] phase and the surface tilt state as the enantiomeric excess is reduced. The results also show that the intermediate phases, smectic [formula presented] smectic [formula presented] and smectic [formula presented] disappear sequentially on reducing the net chirality.

AB - We present differential optical reflectivity and null transmission ellipsometry data from several mixtures of MHPBC enantiomers. From this data, we have determined the chiral smectic phase sequence as a function of enantiomeric excess. The data suggest a change in the structure of the smectic-[formula presented] phase and the surface tilt state as the enantiomeric excess is reduced. The results also show that the intermediate phases, smectic [formula presented] smectic [formula presented] and smectic [formula presented] disappear sequentially on reducing the net chirality.

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IS - 6

ER -

Effect of enantiomeric excess on surface structures and phase sequences in free-standing liquid-crystal films

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