Anisotropic pinned/biased magnetization in $SrRuO_3/SrMnO_3$ superlattices - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue The European Physical Journal B: Condensed Matter and Complex Systems Année : 2005

Anisotropic pinned/biased magnetization in $SrRuO_3/SrMnO_3$ superlattices

Résumé

The exchange coupling at the interfaces of magnetic superlattices consisting of ferromagnetic $SrRuO_3$ and antiferromagnetic $SrMnO_3$ grown on (001) oriented $SrTiO_3$ is studied with in-plane and out-of-plane orientations, with respect to the substrate plane, of the cooling magnetic field. The magnetization of the in-plane, field cooled hysteresis loop is lower than the corresponding in-plane zero-field-cooled hysteresis loop. The out-of-plane field cooled hysteresis loop is shifted, from the origin, along the graphical magnetization axis. We attribute this irreversible rotation of the moment to the pinning/biasing of spin in the $SrRuO_3$ layer in the vicinity of interfaces by the antiferromagnetic $SrMnO_3$ layer.

Dates et versions

hal-00127024 , version 1 (27-01-2007)

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P. Padhan, W. Prellier. Anisotropic pinned/biased magnetization in $SrRuO_3/SrMnO_3$ superlattices. The European Physical Journal B: Condensed Matter and Complex Systems, 2005, 45, pp.169-173. ⟨hal-00127024⟩
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