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

URN to cite this document:: urn:nbn:de:bvb:355-epub-25472
DOI to cite this document:: 10.5283/epub.2547

Maccherozzi, F. ; Panaccione, G. ; Rossi, G. ; Hochstrasser, M. ; Sperl, Matthias ; Reinwald, M. ; Woltersdorf, Georg

; Wegscheider, Werner ; Back, Christian

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Date of publication of this fulltext: 05 Aug 2009 13:40

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Abstract

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 L-2,L-3 XAS line shapes in different environment ...