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Concurrent Magnetic and Structural Reconstructions at the Interface of (111)-Oriented La0.07Sr0.3MnO3/LaFeO3



I. Hallsteinsen, M. Moreau, Alexander Grutter, M. Nord, P.-E. Vullum, Dustin A. Gilbert, T. Bolstad, J. K. Grepstad, R. Holmestad, S. M. Selbach, A. T. N'Diaye, Brian Kirby, E. Arenholz, T. Tybell


We observe an induced switchable magnetic moment of 1.6 ± 0.40 υB/Fe in the nominally antiferromagnetic LaFeOd3^/La0.7Sr0.3MnO3/SrTiO3(111). The magnetic reconstruction is driven by a mismatch of oxygen octahedra rotations resulting in an atomic reconstruction of reduced symmetry at the interface, reaching 1-5 layers into LaFeO3. Density functional theory models a ferrimagnetic state at the interface. Together these results suggest that engineered oxygen octahedra rotations, affecting the local symmetry, affect electron correlations and can be used to promote novel magnetic properties.
Physical Review B


Magnetism, Thin Film, Perovskite, Interface


Hallsteinsen, I. , Moreau, M. , Grutter, A. , Nord, M. , Vullum, P. , Gilbert, D. , Bolstad, T. , Grepstad, J. , Holmestad, R. , Selbach, S. , N'Diaye, A. , Kirby, B. , Arenholz, E. and Tybell, T. (2016), Concurrent Magnetic and Structural Reconstructions at the Interface of (111)-Oriented La<sub>0.07</sub>Sr<sub>0.3</sub>MnO<sub>3</sub>/LaFeO<sub>3</sub>, Physical Review B, [online], (Accessed April 16, 2024)
Created November 20, 2016, Updated October 12, 2021