Evidence for a Magnetic Proximity Effect up to Room Temperature at Fe/(Ga,Mn)As Interfaces

URN to cite this document:: urn:nbn:de:bvb:355-epub-149167
DOI to cite this document:: 10.5283/epub.14916

Maccherozzi, F. ; Sperl, M. ; Panaccione, G. ; Minar, J. ; Polesya, S. ; Ebert, H. ; Wurstbauer, U. ; Hochstrasser, M. ; Rossi, G. ; Woltersdorf, Georg ; Wegscheider, Werner ; Back, Christian H.

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Date of publication of this fulltext: 27 May 2010 10:13

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Abstract

We report x-ray magnetic circular dichroism and superconducting quantum interference device magnetometry experiments to study magnetic order and coupling in thin Fe/(Ga,Mn)As(100) films. We observe induced magnetic order in the (Ga,Mn)As layer that extends over more than 2 nm, even at room temperature. We find spectroscopic evidences of a hybridized d configuration of Mn atoms in ...