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Electron Transport in Nanogranular Ferromagnets

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 06 Aug 2007Embargo end date: 01 Jan 2007Publisher:American Physical Society (APS)Journal:Physical Review Letters, volume 99 (issn: 0031-9007, eissn: 1079-7114,

Authors: Igor S. Beloborodov; Andreas Glatz; Valerii M. Vinokur;

doi: 10.1103/physrevlett.99.066602 , 10.48550/arxiv.0704.1167

pmid: 17930847

arXiv: http://arxiv.org/abs/0704.1167

Electron Transport in Nanogranular Ferromagnets

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Abstract

We study electronic transport properties of ferromagnetic nanoparticle arrays and nanodomain materials near the Curie temperature in the limit of weak coupling between the grains. We calculate the conductivity in the Ohmic and non-Ohmic regimes and estimate the magnetoresistance jump in the resistivity at the transition temperature. The results are applicable for many emerging materials, including artificially self-assembled nanoparticle arrays and a certain class of manganites, where localization effects within the clusters can be neglected.

4 pages, 2 figures

Related Organizations

University of Chicago
United States
Argonne National Laboratory
United States

Keywords

Condensed Matter - Strongly Correlated Electrons, Strongly Correlated Electrons (cond-mat.str-el), FOS: Physical sciences

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	31
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 10%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%

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Top 10%

Green

bronze

Fields of Science

Fields of Science