Magnetization of nanoparticle systems in a rotating magnetic field

Details Magnetization of nanoparticle systems in a rotating magnetic field Magnetization of nanoparticle systems in a rotating magnetic field

2006-03-13

arxiv.org/abs/cond-mat/0603338v3

Phys. Rev. Lett. 97, 227202 (2006)

Physics

Condensed Matter

Statistical Mechanics

10 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.97.227202

The investigation of a sizable thermal enhancement of magnetization is put forward for uniaxial ferromagnetic nanoparticles that are placed in a rotating magnetic field. We elucidate the nature of this phenomenon and evaluate the resonant frequency dependence of the induced magnetization. Moreover, we reveal the role of magnetic dipolar interactions, point out potential applications and reason the feasibility of an experimental observation of this effect.

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