Diffusion of Mn through GaAs barrier

Details Diffusion of Mn through GaAs barrier Diffusion of Mn through GaAs barrier

2009-12-23

arxiv.org/abs/0912.4680v1

Physics

Condensed Matter

Materials Science

9 pages, 3 figures

Scientific paper

Thermally stimulated diffusion of Mn across the (Ga,Mn)As/GaAs interface has been studied by X-ray photoemission. Ga(0.95)Mn(0.05)As layers were capped with GaAs of different thickness 4, 6 and 8ML, and Mn diffusing through the GaAs layers was trapped on the surface by means of amorphous As covering the surface. It was found that the out diffusion is strongly reduced for the 6 ML GaAs film, and for the 8 ML film no Mn could be detected.

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