First-order isotropic-smectic-A transition in liquid-crystal-aerosil gels

M. K. Ramazanoglu; P. S. Clegg; R. J. Birgeneau; C. W. Garland; M. E. Neubert; J. M. Kim

doi:10.1103/PhysRevE.69.061706

First-order isotropic-smectic-A transition in liquid-crystal-aerosil gels

M. K. Ramazanoglu^*, P. S. Clegg, R. J. Birgeneau, C. W. Garland, M. E. Neubert, J. M. Kim

^*Corresponding author for this work

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

24 Citations (Scopus)

Abstract

The first-order isotropi-smectic-A transition in liquid-crystal-aerosil gels was studied using high-resolution synchrotron x-ray diffraction. The gels were created in decylcyanobiphenyl, which had strong first-order isotropicity to smectic-A transition. It was found that the smectic correlation length decreased slowly with a increase in the random-field variance. The data collected illustrated the influence of random field on a freezing transition with an intervening orientationally ordered phase.

Original language	English
Article number	061706
Pages (from-to)	061706-1-061706-8
Journal	Physical Review E
Volume	69
Issue number	6 1
DOIs	https://doi.org/10.1103/PhysRevE.69.061706
Publication status	Published - Jun 2004
Externally published	Yes

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title = "First-order isotropic-smectic-A transition in liquid-crystal-aerosil gels",

abstract = "The first-order isotropi-smectic-A transition in liquid-crystal-aerosil gels was studied using high-resolution synchrotron x-ray diffraction. The gels were created in decylcyanobiphenyl, which had strong first-order isotropicity to smectic-A transition. It was found that the smectic correlation length decreased slowly with a increase in the random-field variance. The data collected illustrated the influence of random field on a freezing transition with an intervening orientationally ordered phase.",

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AU - Ramazanoglu, M. K.

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AU - Garland, C. W.

AU - Neubert, M. E.

AU - Kim, J. M.

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AB - The first-order isotropi-smectic-A transition in liquid-crystal-aerosil gels was studied using high-resolution synchrotron x-ray diffraction. The gels were created in decylcyanobiphenyl, which had strong first-order isotropicity to smectic-A transition. It was found that the smectic correlation length decreased slowly with a increase in the random-field variance. The data collected illustrated the influence of random field on a freezing transition with an intervening orientationally ordered phase.

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First-order isotropic-smectic-A transition in liquid-crystal-aerosil gels

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