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Phys Rev Lett. 2000 Jul 10;85(2):413-6. doi: 10.1103/PhysRevLett.85.413.

Layer-resolved magnetic moments in Ni/Pt multilayers.

Physical review letters

Wilhelm, Poulopoulos, Ceballos, Wende, Baberschke, Srivastava, Benea, Ebert, Angelakeris, Flevaris, Niarchos, Rogalev, Brookes

Affiliations

  1. Institut fur Experimentalphysik, Freie Universitat Berlin, Arnimallee 14, D-14195 Berlin-Dahlem, Germany.

PMID: 10991296 DOI: 10.1103/PhysRevLett.85.413

Abstract

The magnetic moments in Ni/Pt multilayers are thoroughly studied by combining experimental and ab initio theoretical techniques. SQUID magnetometry probes the samples' magnetizations. X-ray magnetic circular dichroism separates the contribution of Ni and Pt and provides a layer-resolved magnetic moment profile for the whole system. The results are compared to band-structure calculations. Induced Pt magnetic moments localized mostly at the interface are revealed. No magnetically "dead" Ni layers are found. The magnetization per Ni volume is slightly enhanced compared to bulk NiPt alloys.

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