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Absence of strong skew scattering in crystals with multi-sheeted Fermi surfaces
Albert Hönemann1, Christian Herschbach1, Dmitry V Fedorov2
1Institute of Physics, Martin Luther University Halle-Wittenberg, 06099 Halle, Germany.
Abstract:
We consider an extrinsic contribution to the anomalous and spin Hall effect in dilute alloys based on Fe, Co, Ni, and Pt hosts with different substitutional impurities. It is shown that a strong skew-scattering mechanism is absent in such crystals with multi-sheeted Fermi surfaces. Based on this finding, we conclude on the mutual exclusion of strong intrinsic and skew-scattering contributions to the considered transport phenomena. It also allows us to draw general conclusions in which materials with a giant anomalous Hall effect caused by the skew scattering can be achieved.
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