Correlation between the Extraordinary Hall Effect and Resistivity
A. Gerber, A. Milner, A. Finkler, M. Karpovski, L. Goldsmith, J., Tuaillon-Combes, O. Boisron, P. Melinon, A. Perez
TL;DR
This paper investigates how various scattering mechanisms influence the extraordinary Hall effect across different materials, using experimental data and a modified skew scattering model to interpret the results.
Contribution
It introduces a simple modification to the skew scattering model to better explain the correlation between scattering sources and the extraordinary Hall effect.
Findings
Scattering by magnetic nano-particles affects the Hall effect
Impurities and surface scattering contribute significantly
Modified skew scattering model fits experimental data well
Abstract
We study the contribution of different types of scattering sources to the extraordinary Hall effect. Scattering by magnetic nano-particles embedded in normal-metal matrix, insulating impurities in magnetic matrix, surface scattering and temperature dependent scattering are experimentally tested. Our new data, as well as previously published results on a variety of materials, are fairly interpreted by a simple modification of the skew scattering model.
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