Identifying the character of ferromagnetic Mn in epitaxial Fe/(Ga,Mn)As heterostructures

URN to cite this document:: urn:nbn:de:bvb:355-epub-136517
DOI to cite this document:: 10.5283/epub.13651

Sperl, Matthias ; Maccherozzi, F. ; Borgatti, F. ; Verna, A. ; Rossi, G. ; Soda, M. ; Schuh, Dieter ; Bayreuther, Günther ; Wegscheider, Werner ; Cezar, J. C. ; Brookes, N. B. ; Back, Christian ; Panaccione, G.

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Date of publication of this fulltext: 22 Mar 2010 07:26

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Item type:	Article
Open Access Type:	Due to SHERPA/RoMEO
Journal or Publication Title:	Physical Review B (PRB)
Publisher:	American Physical Society
Volume:	81
Page Range:	035211
Date:	27 January 2010
Institutions:	Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Chair Professor Back > Group Christian Back Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Günther Bayreuther Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider
Projects (Historical):	SFB 689: Spinphänomene in reduzierten Dimensionen
Dewey Decimal Classification:	500 Science > 530 Physics
Status:	Published
Refereed:	Yes, this version has been refereed
Created at the University of Regensburg:	Yes
Item ID:	13651

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Abstract

We demonstrate that the growth of Fe/(Ga,Mn)As heterointerfaces can be efficiently controlled by epitaxy and that robust ferromagnetism of the interfacial Mn atoms is induced at room temperature by the proximity effect. X-ray magnetic circular dichroism and x-ray resonant reflectivity data, supported by theoretical calculations, were used to monitor both temperature and magnetic field dependence ...