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journal article·2017-09-01Open access

Modified magnetic anisotropy at LaCoO3/La0.7Sr0.3MnO3 interfaces

M. Cabero, K. Nagy, F. Gallego, A. Sander, M. Rio, F. A. Cuellar, J. Tornos, D. Hernandez-Martin, N. M. Nemes, F. Mompean, M. Garcia-Hernandez, A. Rivera-Calzada, Z. Sefrioui, N. Reyren, T. Feher, M. Varela, C. Leon, J. Santamaria

APL Materials· Volume 5· Issue 9
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Source abstract

Abstract

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.
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Research context

OpenAlex topics: Magnetic and transport properties of perovskites and related materials · Electronic and Structural Properties of Oxides · Advanced Condensed Matter Physics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

GFMC, Departamento de Fisica de Materiales, Universidad Complutense de Madrid 1 , 28040 Madrid, Spain

Unidad Asociada ICMM-CSIC “Laboratorio de Heteroestructuras con Aplicacion en Espintronica,” UCM, CSIC 2 , 28049 Madrid, Spain

Instituto Pluridisciplinar, Universidad Complutense de Madrid 3 , 28040 Madrid, Spain

Instituto de Magnetismo Aplicado, Universidad Complutense de Madrid 4 , 28040 Madrid, Spain

Department of Physics, Budapest University of Technology and Economics, MTA-BME Lendület Magneto-Optical Research Group, MTA-BME Condensed Matter Physics Research Group 5 , 1111 Budapest, Hungary

Unité Mixte de Physique, CNRS, Thales, Univ. Paris-Sud, Université Paris-Saclay 6 , 91767 Palaiseau, France

Instituto de Ciencia de Materiales de Madrid ICMM-CSIC 7 , Calle Sor Juana Inés de la Cruz, 3, 28049 Madrid, Spain

Funding

Országos Tudományos Kutatási Alapprogramok · Secretaría de Estado de Investigación, Desarrollo e Innovación · Consejería de Educación, Juventud y Deporte, Comunidad de Madrid

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