Scaling of the Anomalous Hall Effect in Ferrimagnetic Co90Gd10 Thin Films

We investigated the anomalous Hall effect and longitudinal magnetoresistance in ferrimagnetic Co 90 Gd 10 thin films with thicknesses from 5 to 35 nm and temperatures from 80 to 300 K. As the temperature increases from 80 to 300 K, the saturation magnetization of Co 90 Gd 10 increases from 720 to 84...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2015-11, Vol.51 (11), p.1-4
Main Authors: Han, J. W., Sui, W. B., Yang, D. Z., Wang, T., Li, Y., Xi, L., Si, M. S., Xue, D. S.
Format: Article
Language:English
Subjects:
anomalous Hall effect
Conductivity
Ferrimagnet
Hall effect
Magnetic fields
Magnetic materials
Magnetism
Magnetization
Magnetoresistance
Saturation magnetization
Scaling law
Scattering
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Summary:We investigated the anomalous Hall effect and longitudinal magnetoresistance in ferrimagnetic Co 90 Gd 10 thin films with thicknesses from 5 to 35 nm and temperatures from 80 to 300 K. As the temperature increases from 80 to 300 K, the saturation magnetization of Co 90 Gd 10 increases from 720 to 844 emu/cm 3 . However, the scaling law σ xy -σ xx n with n = 2.3 holds surprisingly well. Our results indicate that the scaling law usually reported in ferromagnetic materials remains valid for ferrimagnetic materials, which undoubtedly suggested the universality of the scaling law.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2015.2443112