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Influence of surface treatment on the magnetic properties of GaxMn1−xAs thin films

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Maccherozzi, F. ; Panaccione, G. ; Rossi, G. ; Hochstrasser, M. ; Sperl, Matthias ; Reinwald, Matthias ; Woltersdorf, Georg ; Wegscheider, Werner ; Back, Christian H.
Date of publication of this fulltext: 25 Jan 2010 13:22


We present a surface science study on carefully characterized GaxMn1−xAs films grown on GaAs(100), where we investigate the influence on magnetic properties of different surface cleaning procedures. X-ray magnetic circular dichroism reveals a net remnant magnetization along the (100) axis, after chemical etching is performed. The analysis of Mn L2,3 XAS line shapes in different environment ...


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