Interfacial properties of LaMnO3/LaNiO3 superlattices grown along (001) and (111) orientations
- Piamonteze, C.
- Gibert, M.
- Heidler, J.
- Dreiser, J.
- Rusponi, S.
- Brune, H.
- Triscone, J. -M.
- Nolting, F.
- Staub, U.
Publication date
September 2015
DOI Publisher
American Physical Society (APS) ISSN
1098-0121Abstract
We have employed x-ray absorption spectroscopy and x-ray magnetic circular dichroism (XMCD) at the Ni andMn L-3,L-2 edges in LaMnO3/LaNiO3 superlattices grown along (001) and (111) orientations. Our results show a significant XMCD signal and thus the presence of magnetic moments localized on both Ni and Mn, which are ferromagnetically coupled to each other. X-ray absorption experiments reveal a charge transfer between Ni and Mn which is larger for (111) than for (001) superlattices. These results are compared to theoretical predictions for such superlattices
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