Tuning the phase transition temperature of ferronematics with a magnetic field

Tibor Tóth-Katona, Veronika Gdovinová, Natália Tomašovičová, Nándor Éber, Katalin Fodor-Csorba, Alena Juríková, Vlasta Závišová, Milan Timko, Xavier Chaud, Peter Kopčanský

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Abstract

The influence of magnetic field on the isotropic-to-nematic phase transition temperature is investigated in neat bent-core and calamitic liquid crystals, in their mixture, and in samples doped with spherical magnetic nanoparticles for two different orientations of the magnetic field. A magnetic-field-induced negative or positive shift of the transition temperature was detected depending on the magnetic field orientation with respect to the initial orientation of the nematic phase, and on the type of liquid crystal matrix.

Original languageEnglish
Pages (from-to)1647-1658
Number of pages12
JournalSoft Matter
Volume14
Issue number9
DOIs
Publication statusPublished - Jan 1 2018

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ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics

Cite this

Tóth-Katona, T., Gdovinová, V., Tomašovičová, N., Éber, N., Fodor-Csorba, K., Juríková, A., Závišová, V., Timko, M., Chaud, X., & Kopčanský, P. (2018). Tuning the phase transition temperature of ferronematics with a magnetic field. Soft Matter, 14(9), 1647-1658. https://doi.org/10.1039/c7sm02383a