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Proceedings Paper

Magnetism in thin Cr films grown on Fe(001)-p(1×1)O: a spin-resolved investigation of single and multi-layers
Author(s): Alberto Calloni; Giulia Berti; Alberto Brambilla; Gianlorenzo Bussetti; Marco Finazzi; Lamberto Duò; Franco Ciccacci; Guido Fratesi
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Paper Abstract

We present a combined experimental and theoretical investigation of the magnetic behavior of ultra-thin Cr films grown on oxygen-passivated Fe(001)-p(1×1)O substrates. In all cases, oxygen floats on the metal/vacuum interface, where a monolayer-range oxide with peculiar electronic and structural characteristics is formed. Significant differences with previous experimental realizations of the Cr/Fe(001) heterostructure are thus introduced by the presence of oxygen. However, we show here that the magnetic behavior of our system is characterized by the same AF stacking at the Cr-Fe interface and by a layer-wise AF order in the Cr layer. In addition, we are able to circumvent the issue of chemical mixing at the Cr-Fe interface, characteristic of standard preparations.

Paper Details

Date Published: 8 September 2015
PDF: 9 pages
Proc. SPIE 9551, Spintronics VIII, 95511K (8 September 2015); doi: 10.1117/12.2188435
Show Author Affiliations
Alberto Calloni, Politecnico di Milano (Italy)
Giulia Berti, Politecnico di Milano (Italy)
Alberto Brambilla, Politecnico di Milano (Italy)
Gianlorenzo Bussetti, Politecnico di Milano (Italy)
Marco Finazzi, Politecnico di Milano (Italy)
Lamberto Duò, Politecnico di Milano (Italy)
Franco Ciccacci, Politecnico di Milano (Italy)
Guido Fratesi, Univ. degli Studi di Milano (Italy)

Published in SPIE Proceedings Vol. 9551:
Spintronics VIII
Henri-Jean Drouhin; Jean-Eric Wegrowe; Manijeh Razeghi, Editor(s)

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