An extensive comparison of anisotropies in MBE grown (Ga,Mn)As material

Details An extensive comparison of anisotropies in MBE grown (Ga,Mn)As material An extensive comparison of anisotropies in MBE grown (Ga,Mn)As material

2008-02-28

arxiv.org/abs/0802.4206v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1088/1367-2630/10/5/055007

This paper reports on a detailed magnetotransport investigation of the magnetic anisotropies of (Ga,Mn)As layers produced by various sources worldwide. Using anisotropy fingerprints to identify contributions of the various higher order anisotropy terms, we show that the presence of both a [100] and a [110] uniaxial anisotropy in addition to the primary ([100] + [010]) anisotropy is common to all medium doped (Ga,Mn)As layers typically used in transport measurement, with the amplitude of these uniaxial terms being characteristic of the individual layers.

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