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Volumn 81, Issue 19, 2010, Pages

Tight-binding study of anomalous Hall effect in ferromagnetic 3d transition metals

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EID: 77955562864     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.81.195111     Document Type: Article
Times cited : (37)

References (50)
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    • In Refs., they construct Wannier functions from the results of first-principles calculations and then describe the electronic states with tight-binding models. They then were able to calculate AHC using a fine mesh of the Brillouin zone.
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    • For 4s and 4p orbitals, the damping rate can be significantly different. However, contributions from those electrons are much smaller than those from d electrons and the precise values of damping rate for 4s and 4p electrons do not matter
    • For 4 s and 4 p orbitals, the damping rate can be significantly different. However, contributions from those electrons are much smaller than those from d electrons and the precise values of damping rate for 4 s and 4 p electrons do not matter.
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    • -2 may not necessarily be observed.
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    • In Fe, σ xy ↑ <0, σ xy ↓ >0, and σxy ≃-2 ( σ xy ↑ - σ xy ↓ ) >0. In contrast to the cases with Co and Ni, | σ xy ↑ | ≃ | σ xy ↓ |, and both components positively contribute to σxy
    • In Fe, σ x y ↑ < 0, σ x y ↓ > 0, and σ x y ≃ - 2 (σ x y ↑ - σ x y ↓) > 0. In contrast to the cases with Co and Ni, | σ x y ↑ | ≃ | σ x y ↓ |, and both components positively contribute to σ x y.


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