Quantitative Study of Magnetotransport through a (Ga,Mn)As Single Ferromagnetic Domain

Details Quantitative Study of Magnetotransport through a (Ga,Mn)As Single Ferromagnetic Domain Quantitative Study of Magnetotransport through a (Ga,Mn)As Single Ferromagnetic Domain

2004-12-13

arxiv.org/abs/cond-mat/0412290v2

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, 4 figures; v2: missing references included, figures recompressed to improve readability

Scientific paper

10.1103/PhysRevB.71.193306

We have performed a systematic investigation of the longitudinal and transverse magnetoresistance of a single ferromagnetic domain in (Ga,Mn)As. We find that, by taking into account the intrinsic dependence of the resistivity on the magnetic induction, an excellent agreement between experimental results and theoretical expectations is obtained. Our findings provide a detailed and fully quantitative validation of the theoretical description of magnetotransport through a single ferromagnetic domain. Our analysis furthermore indicates the relevance of magneto-impurity scattering as a mechanism for magnetoresistance in (Ga,Mn)As.

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