期刊
JOURNAL OF CONTEMPORARY PHYSICS-ARMENIAN ACADEMY OF SCIENCES
卷 46, 期 3, 页码 116-118出版社
ALLERTON PRESS INC
DOI: 10.3103/S1068337211030054
关键词
nematic liquid crystal; ferromagnetic nanocrystals; magnetic Freedericksz transition; threshold
We show that magnetic colloids could increase the coupling of a liquid crystal to a week magnetic field. Magnetic Freedericksz transition in a planarly oriented nematic liquid crystal doped with spherical ferromagnetic nanoparticles is considered theoretically. It is shown that even spherical nanoparticles could decrease a threshold of this transition because they strongly increase the magnetic field in the medium. This phenomenon indicates the possibility to use the considered system in magneto-optical displays.
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