Shape and director field deformation of tactoids of plate-like colloids in a magnetic field

A.A. Verhoeff; R.H.J. Otten; P.P.A.M. Schoot, van der; H.N.W. Lekkerkerker

doi:10.1021/jp8068199

Shape and director field deformation of tactoids of plate-like colloids in a magnetic field

A.A. Verhoeff, R.H.J. Otten, P.P.A.M. Schoot, van der, H.N.W. Lekkerkerker

Soft Matter and Biological Physics

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Abstract

We investigated by means of polarization microscopy the influence of a magnetic field on the shape and director field of nematic droplets in dispersions of plate-like colloidal particles. To interpret the experimental observations, we put forward a simple theory in which we presume strong anchoring and a sphero-cylindrical droplet shape. This model allows us to extract values for the interfacial tension and the splay elastic constant from the experimental data.

Original language	English
Pages (from-to)	3704-3708
Journal	Journal of Physical Chemistry B
Volume	113
Issue number	12
DOIs	https://doi.org/10.1021/jp8068199
Publication status	Published - 2009

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title = "Shape and director field deformation of tactoids of plate-like colloids in a magnetic field",

abstract = "We investigated by means of polarization microscopy the influence of a magnetic field on the shape and director field of nematic droplets in dispersions of plate-like colloidal particles. To interpret the experimental observations, we put forward a simple theory in which we presume strong anchoring and a sphero-cylindrical droplet shape. This model allows us to extract values for the interfacial tension and the splay elastic constant from the experimental data.",

author = "A.A. Verhoeff and R.H.J. Otten and \{Schoot, van der\}, P.P.A.M. and H.N.W. Lekkerkerker",

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AU - Verhoeff, A.A.

AU - Otten, R.H.J.

AU - Schoot, van der, P.P.A.M.

AU - Lekkerkerker, H.N.W.

PY - 2009

Y1 - 2009

N2 - We investigated by means of polarization microscopy the influence of a magnetic field on the shape and director field of nematic droplets in dispersions of plate-like colloidal particles. To interpret the experimental observations, we put forward a simple theory in which we presume strong anchoring and a sphero-cylindrical droplet shape. This model allows us to extract values for the interfacial tension and the splay elastic constant from the experimental data.

AB - We investigated by means of polarization microscopy the influence of a magnetic field on the shape and director field of nematic droplets in dispersions of plate-like colloidal particles. To interpret the experimental observations, we put forward a simple theory in which we presume strong anchoring and a sphero-cylindrical droplet shape. This model allows us to extract values for the interfacial tension and the splay elastic constant from the experimental data.

U2 - 10.1021/jp8068199

DO - 10.1021/jp8068199

M3 - Article

SN - 1520-6106

VL - 113

SP - 3704

EP - 3708

JO - Journal of Physical Chemistry B

JF - Journal of Physical Chemistry B

IS - 12

ER -

Shape and director field deformation of tactoids of plate-like colloids in a magnetic field

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