Effects of surface and interface scattering on anomalous Hall effect in Co/Pd multilayers

Zaibing Guo, W. B. Mi, Razan Aboljadayel, Bei Zhang, Qiang Zhang, Priscila Gonzalez Barba, Aurelien Manchon, Xixiang Zhang

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53 Scopus citations

Abstract

In this paper, we report the results of surface and interface scattering on anomalous Hall effect in Co/Pd multilayers with perpendicular magnetic anisotropy. The surface scattering effect has been extracted from the total anomalous Hall effect. By scaling surface scattering contribution with ρAHs∼ργss, the exponent γ has been found to decrease with the increase of surface scattering resistivity, which could account for the thickness-dependent anomalous Hall effect. Interface diffusion induced by rapid thermal annealing modifies not only the magnetization and longitudinal resistivity but also the anomalous Hall effect; a large exponent γ ∼ 5.7 has been attributed to interface scattering-dominated anomalous Hall effect.
Original languageEnglish (US)
JournalPhysical Review B
Volume86
Issue number10
DOIs
StatePublished - Sep 27 2012

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