Magnetodielectric and magnetoviscosity response of a ferromagnetic liquid crystal at low magnetic fields

被引:39
作者
Sahoo, Rasmita [1 ]
Rasna, M. V. [1 ]
Lisjak, D. [2 ]
Mertelj, A. [2 ]
Dhara, Surajit [1 ]
机构
[1] Univ Hyderabad, Sch Phys, Hyderabad 500046, Andhra Pradesh, India
[2] Jozef Stefan Inst, SI-1001 Ljubljana, Slovenia
关键词
SUSPENSIONS; PARTICLES; VISCOSITY;
D O I
10.1063/1.4918995
中图分类号
O59 [应用物理学];
学科分类号
摘要
We report on experimental studies of the viscoelastic, magnetodielectric, and magnetoviscosity properties of ferromagnetic liquid crystals (LCs) prepared by dispersing ferromagnetic nanoparticles in a thermotropic LC. Both the splay elastic constant and rotational viscosity of the ferronematic LCs are found to be considerably lower than that of the pure LC and advantageous to the device applications. The ferromagnetic LCs show unique magnetodielectric and magnetoviscosity response at very low magnetic fields that are useful for smart fluid applications. (C) 2015 AIP Publishing LLC.
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页数:4
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