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Induced magnetism at the interfaces of a Fe/V superlattice investigated by resonant magnetic x-ray scattering
Linköpings universitet, Institutionen för fysik, kemi och biologi, Tunnfilmsfysik. Linköpings universitet, Tekniska fakulteten.ORCID-id: 0000-0002-0317-0190
2017 (engelsk)Inngår i: Journal of Magnetism and Magnetic Materials, ISSN 0304-8853, E-ISSN 1873-4766, Vol. 422, s. 362-366Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The induced magnetic moments in the V 3d electronic states of interface atomic layers in a Fe(6ML)/V(7ML) superlattice was investigated by x-ray resonant magnetic scattering. The first V atomic layer next to Fe was found to be strongly antiferromagnetically polarized relatively to Fe and the magnetic moments of the next few atomic layers in the interior V region decay exponentially with increasing distance from the interface, while the magnetic moments of the Fe atomic layers largely remain bulk-like. The induced V moments decay more rapidly as observed by x-ray magnetic scattering than in standard x-ray magnetic circular dichroism. The theoretical description of the induced magnetic atomic layer profile in V was found to strongly rely on the interface roughness within the superlattice period. These results provide new insight into interface magnetism by taking advantage of the enhanced depth sensitivity to the magnetic profile over a certain resonant energy bandwidth in the vicinity of the Bragg angles.

sted, utgiver, år, opplag, sider
Elsevier, 2017. Vol. 422, s. 362-366
Emneord [en]
Magnetism, spectroscopy, XRMS
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-131254DOI: 10.1016/j.jmmm.2016.09.009ISI: 000396492300054OAI: oai:DiVA.org:liu-131254DiVA, id: diva2:968805
Forskningsfinansiär
Carl Tryggers foundation
Tilgjengelig fra: 2016-09-12 Laget: 2016-09-12 Sist oppdatert: 2018-02-06bibliografisk kontrollert

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Fulltekst tilgjengelig fra 2018-09-03 11:32
Tilgjengelig fra 2018-09-03 11:32

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