Modified magnetic anisotropy at LaCoO_(3)/La_(0.7)Sr_(0.3)MnO_(3) interfaces

Controlling magnetic anisotropy is an important objective towards engineering novel magnetic device concepts in oxide electronics. In thin film manganites, magnetic anisotropy is weak and it is primarily determined by the substrate, through induced structural distortions resulting from epitaxial mis...

Descripción completa

Detalles Bibliográficos
Autores: Cabero Piris, Mariona, Nagy, K., Gallego, F., Sander, A., Rio, M., Tornos, J., Cuéllar Jiménez, Fabian Andrés, Hernández Martín, David, Nemes, Norbert Marcel, Mompean, F., García Hernández, M., Rivera Calzada, Alberto Carlos, Sefrioui, Zouhair, Reyren, N., Varela Del Arco, María, Feher, T., León Yebra, Carlos, Santamaría Sánchez-Barriga, Jacobo
Tipo de recurso: artículo
Fecha de publicación:2017
País:España
Institución:Universidad Complutense de Madrid (UCM)
Repositorio:Docta Complutense
Idioma:inglés
OAI Identifier:oai:docta.ucm.es:20.500.14352/18339
Acceso en línea:https://hdl.handle.net/20.500.14352/18339
Access Level:acceso abierto
Palabra clave:537
Manganite thin-films
Oxide interfaces
Tunnel-junctions
Transition
Heterostructures
LaCoO3
Mismatch
Strain.
Electricidad
Electrónica (Física)
2202.03 Electricidad
Descripción
Sumario:Controlling magnetic anisotropy is an important objective towards engineering novel magnetic device concepts in oxide electronics. In thin film manganites, magnetic anisotropy is weak and it is primarily determined by the substrate, through induced structural distortions resulting from epitaxial mismatch strain. On the other hand, in cobaltites, with a stronger spin orbit interaction, magnetic anisotropy is typically much stronger. In this paper, we show that interfacing La0.7Sr0.3MnO3 (LSMO) with an ultrathin LaCoO3 (LCO) layer drastically modifies the magnetic anisotropy of the manganite, making it independent of the substrate and closer to the magnetic isotropy characterizing its rhombohedral structure. Ferromagnetic resonance measurements evidence a tendency of manganite magnetic moments to point out-of-plane suggesting non collinear magnetic interactions at the interface. These results may be of interest for the design of oxide interfaces with tailored magnetic structures for new oxide devices.

Similares en LA Referencia