Title:	Magnetic susceptibility studies on ferrofluid doped lyotropic liquid crystal systems
Authors:	Vijayaraghavan, D. Prahlada, B.L.
Issue Date:	Oct-2012
Publisher:	Excel (India) Publishers, New Delhi
Citation:	Proceedings of International Conference on Research in Condensed Matter Physics ICCMP2012, held at University of Madras, Chennai, India, October 2012,Ed.by :Dr. Rita John & Dr. Tamio Endo; pages 227-229
Abstract:	We have carried out mass magnetic susceptibility studies on water based ferrofluid doped (1µl/ ml) binary lyotropic liquid crystal (LLC) systems consisting of a) rod-like and b) disc-like micelles and also on a ternary lyotropic liquid crystal system consisting of rodlike micelles; as a function temperature using a Faraday balance. In the case of ferrofluid doped discotic LLC, the magnetic susceptibility) is positive and found to increase more than one order of magnitude with respect to that of undoped one indicating a strong coupling between the magnetic nanoparticles and the micelles. However for LLC system consisting of rod-like micelles, only a marginal increase in susceptibility is seen on doping which can be attributed to the changes in the micellar sizes..In the case of ternary LLC system, temperature dependent magnetic susceptibility hysteresis is seen for both the doped and undoped samples. The observed hysteresis increases with increasing concentration of ferrofluid duping in the system
Description:	Restricted Access.
URI:	http://hdl.handle.net/2289/7241
ISBN:	9789382062639
Copyright:	Excel (India) Publishers
Appears in Collections:	Research Papers (SCM)

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