Maccherozzi, F. and Sperl, M. and Panaccione, G. and Minar, J. and Polesya, S. and Ebert, H. and Wurstbauer, U. and Hochstrasser, M. and Rossi, G. and Woltersdorf, Georg and Wegscheider, Werner and Back, Christian H.
Evidence for a Magnetic Proximity Effect up to Room Temperature at Fe/(Ga,Mn)As Interfaces.
Physical Review Letters (PRL) 101 (26), p. 267201.
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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 ...
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