Magnetism in thin Cr films grown on Fe(001)-p(1×1)O: a spin-resolved investigation of single and multi-layers

Alberto Calloni; Giulia Berti; Alberto Brambilla; Gianlorenzo Bussetti; Marco Finazzi; Lamberto Duò; Franco Ciccacci; Guido Fratesi

doi:10.1117/12.2188435

8 September 2015 Magnetism in thin Cr films grown on Fe(001)-p(1×1)O: a spin-resolved investigation of single and multi-layers

Alberto Calloni, Giulia Berti, Alberto Brambilla, Gianlorenzo Bussetti, Marco Finazzi, Lamberto Duò, Franco Ciccacci, Guido Fratesi

Author Affiliations +

Proceedings Volume 9551, Spintronics VIII; 95511K (2015) https://doi.org/10.1117/12.2188435
Event: SPIE Nanoscience + Engineering, 2015, San Diego, California, United States

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.

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Citation Download Citation

Alberto Calloni, Giulia Berti, Alberto Brambilla, Gianlorenzo Bussetti, Marco Finazzi, Lamberto Duò, Franco Ciccacci, and Guido Fratesi "Magnetism in thin Cr films grown on Fe(001)-p(1×1)O: a spin-resolved investigation of single and multi-layers", Proc. SPIE 9551, Spintronics VIII, 95511K (8 September 2015); https://doi.org/10.1117/12.2188435

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