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Solvent smectic order parameters from solute nematic order parameters
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10.1063/1.2970074
/content/aip/journal/jcp/129/9/10.1063/1.2970074
http://aip.metastore.ingenta.com/content/aip/journal/jcp/129/9/10.1063/1.2970074

Figures

Image of FIG. 1.
FIG. 1.

Pictorial representation of the meaning of the function in the case the solvent is HAB, the solute is DCB and their centers of mass are separated by a distance along the director : is the area, enclosed by the dotted line, excluded by the solute molecule to the solvent molecule.

Image of FIG. 2.
FIG. 2.

The molecular structure of HAB, the solvent, and the solutes (DCB and NFT). Shown are the HAB principal axis with respect to which the solvent orientational order parameter is defined, as well as the hydrogen atom numbering and the molecular frame of reference of the two solutes.

Image of FIG. 3.
FIG. 3.

Calculated and experimental spectra of NFT in HAB at .

Image of FIG. 4.
FIG. 4.

Example of the behavior of as a function of for the two solute-solvent pairs. The curves shown correspond to the case , with and as the solute Euler angles3, and .

Image of FIG. 5.
FIG. 5.

Experimental vs fitted Saupe ordering matrices across the temperature for DCB and NFT: circles correspond to of DCB, squares to of DCB, triangles up to of NFT, triangles down to of NFT, full symbols to the experimental data, and empty symbols to the fitted data.

Image of FIG. 6.
FIG. 6.

Temperature dependence of the (full diamonds) and (empty diamonds). The solid and dashed curves are and determined for the HAB in Ref. 11, respectively.

Image of FIG. 7.
FIG. 7.

Positional distribution functions of the solutes DCB (full line) and NFT (dashed line) in the smectic phase at (left panel) and (right panel).

Image of FIG. 8.
FIG. 8.

Positional dependence of the elements of the Saupe ordering matrices of the solutes DCB (, full line; , dot-dashed line) and NFT (, dashed line; and , dotted line) in the smectic phase at (left panel) and (right panel).

Tables

Generic image for table
Table I.

Experimental dipolar couplings (in Hz) of DCB in HAB at different reduced temperatures. The transition between nematic and smectic phases is recorded at about .

Generic image for table
Table II.

Experimental dipolar couplings (in Hz) of NFT in HAB at different reduced temperatures. The transition between nematic and smectic phases is recorded at about .

Generic image for table
Table III.

Temperature dependence of , the solvent orientational order parameter.

Generic image for table
Table IV.

Experimental order parameters for the solutes DCB and NFT in HAB at different reduced temperatures.

Generic image for table
Table V.

Temperature dependence of the parameter .

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/content/aip/journal/jcp/129/9/10.1063/1.2970074
2008-09-05
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Solvent smectic order parameters from solute nematic order parameters
http://aip.metastore.ingenta.com/content/aip/journal/jcp/129/9/10.1063/1.2970074
10.1063/1.2970074
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