Diamagnetic Properties of Nematic Liquid Crystals

Stannarius, Ralf

doi:10.1002/9783527619276.ch3db

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2014

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“…(χ and χ ⊥ are the magnetic susceptibilities measured by a magnetic field parallel and perpendicular to n, respectively) -see e.g., Ref. [15]. In terms of the net magnetic induction B n , the expression for the magnetic moment becomes…”

Section: Resultsmentioning

confidence: 99%

High concentration ferronematics in low magnetic fields

Tóth-Katona

Szűcs

Éber

et al. 2014

Journal of Magnetism and Magnetic Materials

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We investigated experimentally the magneto-optical and dielectric properties of magnetic-nanoparticle-doped nematic liquid crystals (ferronematics). Our studies focus on the effect of the very small orienting bias magnetic field B bias , and that of the nematic director pretilt at the boundary surfaces in our systems sensitive to low magnetic fields. Based on the results we assert that B bias is not necessarily required for a detectable response to low magnetic fields, and that the initial pretilt, as well as the aggregation of the nanoparticles play an important (though not yet explored enough) role.

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Section: Resultsmentioning

confidence: 99%