1. Department of Physics, Fudan University, Shanghai 200433, China
Extrinsic Anomalous Hall effect in paramagnetic NiCu alloys
李禹帆 导师：金晓峰
Department of Physics, Fudan University, Shanghai , China
Mechanism of Anomalous Hall Effect Fe
Intrinsic contribution
Karplus & Luttinger (1954)
T. Jungwirth, Q. Niu and A. H. MacDonald (2002)
M. Onoda and N. Nagaosa (2002)
Yuan Tian, Li Ye, and Xiaofeng Jin*, PRL 103,
Skew Scattering
J. Smit (1955)
Extrinsic
Side Jump
L. Berger (1970)
Ni34Cu66 on MgO(001) α β
-0.0110.001
27528
Proceedings of the Royal Society of London Vol.248 A, P
Fitting result: : :
Summary:
We managed to separate a linear term and a quadratic term of AHE, presumably arising only from extrinsic mechanism.
More effort to be made to pin down the T dependence of the quadratic term and its origin: side jump or second order of skew scattering.