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Abstract: We review studies on spin-dependent tunneling phenomena in systems containingferromagnetic nanoparticles. We discuss preparation methods of assemblingnanoparticles as well as the mechanisms and results of spin-dependent transportproperties. The emphasis of this review is on characteristic spin-dependenttunneling phenomena such as enhanced tunnel magnetoresistance TMR due toco-tunneling in the Coulomb blockade regime and sign changes of the TMR due tospin accumulation in nanoparticles.



Autor: Kay Yakushiji, Franck Ernult, Seiji Mitani, Koki Takanashi, Hiroyasu Fujimori

Fuente: https://arxiv.org/







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