Electronic structure of (Ga,Mn)As revisited: an alternative view on the "Battle of the bands"

arxiv: 1410.8842 · v2 · pith:OVF7LWSXnew · submitted 2014-10-31 · ❄️ cond-mat.mtrl-sci

Electronic structure of (Ga,Mn)As revisited: an alternative view on the "Battle of the bands"

J. Kanski , L. Ilver , K. Karlsson , M. Leandersson , I. Ulfat , J. Sadowski This is my paper

classification ❄️ cond-mat.mtrl-sci

keywords bandphotoemissionspinstatealternativeangle-resolvedbandsbattle

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New detailed angle-resolved photoemission data are presented, revealing the existence of an Mn-induced state that extends into the band gap of GaAs. In sharp contrast to recent reports we observe that the state is highly dispersive. Spin resolved photoemission shows that the band is spin polarized even at room temperature. The results are not consistent with any of the currently discussed band models for ferromagnetism.

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Electronic structure of (Ga,Mn)As revisited: an alternative view on the "Battle of the bands"

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