Spin-Dependent Electronic Transport in Granular Ferromagnets

A. Milner, A. Gerber, B. Groisman, M. Karpovsky, A. Gladkikh

Research output: Contribution to journalArticlepeer-review

Abstract

We report a comparative study of the spin-dependent electronic transport in two types of granular ferromagnetic systems: ferromagnet metal (Ni-Ag, Co-Ag) and ferromagnet insulator (Ni-SiO2, Co-SiO2). Both systems demonstrate remarkably similar magnetoresistive behavior of comparable magnitude: negative isotropic magnetoresistance below the ferromagnet percolation threshold and the anisotropic magnetoresistance above.

Original languageEnglish
Pages (from-to)475-478
Number of pages4
JournalPhysical Review Letters
Volume76
Issue number3
DOIs
StatePublished - 1996

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