Structuralization of magnetic nanoparticles in 5CB liquid crystals
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Updated: Feb 21, 2026

Phase Diagram Characterization Using Magnetic Beads as Liquid Carriers
Published on: September 4, 2015
Veronika Gdovinová1, Martin A Schroer, Natália Tomašovičová
1Institute of Experimental Physics, Slovak Academy of Sciences, Watsonová 47, 04001, Košice, Slovakia. nhudak@saske.sk.
Abstract:
This work is devoted to the study of highly stable composite systems of the liquid crystal 4-n-pentyl-4'-cyanobiphenyl (5CB) doped with CoFe2O4 magnetic nanoparticles. Ferronematic samples were prepared with two different weight concentrations: sample A 0.085 wt% and sample B 0.062 wt%. The interaction of CoFe2O4 nanoparticles with the liquid crystal was investigated by small-angle X-ray-scattering and magnetization measurements. The obtained results reveal aggregates formed by magnetic nanoparticles that are oriented in the nematic phase. Moreover, the prepared samples show unexpected behaviour of a sudden change in magnetization, which is unusual for such ferronematics.
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