Journal of the Magnetics Society of Japan
Online ISSN : 1882-2932
Print ISSN : 1882-2924
ISSN-L : 1882-2924
Thin Films, Fine Particles, Multilayers, Superlattices
Anomalous Hall Effect and Anisotropic Magnetoresistance in Perpendicularly Magnetized FePt1-xPdx Films
T. SekiS. KikushimaK. Takanashi
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ジャーナル オープンアクセス

2019 年 43 巻 2 号 p. 29-33

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  L10-ordered alloys with high uniaxial magnetic anisotropy (Ku) are key materials for future spintronic devices to realize large-scale integration. In this study, we investigated the anomalous Hall effect (AHE) and anisotropic magnetoresistance (AMR) effect for FePt1-xPdx (001) epitaxial films. Highly L10-ordered structures and perpendicular magnetization were obtained for all the compositions. The FePt film exhibited the highest Ku and the largest anomalous Hall angle (θAHE) among the present FePt1-xPdx samples, and the values of Ku and θAHE were gradually decreased as the Pd concentration increased. In addition, the composition dependence of the AMR ratio showed a similar tendency to those for Ku and AHE. We discuss possible scenarios to explain these composition dependencies.

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© 2019 The Magnetics Society of Japan
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