Magnetic and structural properties of GexMn1-x films: Precipitation of intermetallic nanomagnets

URN to cite this document:: urn:nbn:de:bvb:355-epub-277759
DOI to cite this document:: 10.5283/epub.27775

Ahlers, S. ; Bougeard, Dominique ; Sircar, N. ; Abstreiter, Gerhard ; Trampert, A. ; Opel, M. ; Gross, R.

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Date of publication of this fulltext: 04 Mar 2013 13:51

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Abstract

We present a comprehensive study relating the nanostructure of Ge0.95Mn0.05 films to their magnetic properties. The formation of ferromagnetic nanometer-sized inclusions in a defect-free Ge matrix fabricated by low-temperature molecular beam epitaxy is observed down to substrate temperatures T-S as low as 70 degrees C. A combined transmission electron microscopy and electron energy-loss ...