paper

Spin-dependent tunneling and Coulomb blockade in ferromagnetic nanoparticles

arXiv:0709.2940 · doi:10.1016/j.physrep.2007.07.001

Abstract

We review studies on spin-dependent tunneling phenomena in systems containing ferromagnetic nanoparticles. We discuss preparation methods of assembling nanoparticles as well as the mechanisms and results of spin-dependent transport properties. The emphasis of this review is on characteristic spin-dependent tunneling phenomena such as enhanced tunnel magnetoresistance (TMR) due to co-tunneling in the Coulomb blockade regime and sign changes of the TMR due to spin accumulation in nanoparticles.

41pages, 30 figures

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