Three dimensional simulations of spin Hall effect in magnetic nanostructures

R. Sugano; M. Ichimura; S. Takahashi; S. Maekawa

doi:10.1063/1.2835482

Three dimensional simulations of spin Hall effect in magnetic nanostructures

R. Sugano, M. Ichimura, S. Takahashi, S. Maekawa

Materials Property Division

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

We investigate the spatial distribution of spin/charge current in a nonlocal geometry of a magnetic nanostructure with PyICu and CuPt contacts and analyze the spin Hall effects by applying finite element method in three dimensions. We find that the inhomogeneous current distribution appears in the CuPt connection area, suggesting the possibility of the spin-signal enhancement by controlling the contact shape and the width of the electrodes. The calculated spin Hall voltage is consistent with the experimentally observed Hall resistance.

Original language	English
Article number	07A715
Journal	Journal of Applied Physics
Volume	103
Issue number	7
DOIs	https://doi.org/10.1063/1.2835482
Publication status	Published - 2008 Apr 21

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1063/1.2835482

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abstract = "We investigate the spatial distribution of spin/charge current in a nonlocal geometry of a magnetic nanostructure with PyICu and CuPt contacts and analyze the spin Hall effects by applying finite element method in three dimensions. We find that the inhomogeneous current distribution appears in the CuPt connection area, suggesting the possibility of the spin-signal enhancement by controlling the contact shape and the width of the electrodes. The calculated spin Hall voltage is consistent with the experimentally observed Hall resistance.",

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N2 - We investigate the spatial distribution of spin/charge current in a nonlocal geometry of a magnetic nanostructure with PyICu and CuPt contacts and analyze the spin Hall effects by applying finite element method in three dimensions. We find that the inhomogeneous current distribution appears in the CuPt connection area, suggesting the possibility of the spin-signal enhancement by controlling the contact shape and the width of the electrodes. The calculated spin Hall voltage is consistent with the experimentally observed Hall resistance.

AB - We investigate the spatial distribution of spin/charge current in a nonlocal geometry of a magnetic nanostructure with PyICu and CuPt contacts and analyze the spin Hall effects by applying finite element method in three dimensions. We find that the inhomogeneous current distribution appears in the CuPt connection area, suggesting the possibility of the spin-signal enhancement by controlling the contact shape and the width of the electrodes. The calculated spin Hall voltage is consistent with the experimentally observed Hall resistance.

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Three dimensional simulations of spin Hall effect in magnetic nanostructures

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