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The magnetic and electronic modifications induced at the interfaces in(SrMnO$_{3}$)$_{n}$/(LaMnO$_{3}$)$_{2n}$ superlattices have been investigatedby linear and circular magnetic dichroism in the Mn L$_{2,3}$ x-ray absorptionspectra. Together with theoretical calculations, our data demonstrate that thecharge redistribution across interfaces favors in-plane ferromagnetic (FM)order and $e_{g}(x^{2}-y^{2})$ orbital occupation, in agreement with theaverage strain. Far from interfaces, inside LaMnO$_3$, electron localizationand local strain favor antiferromagnetism (AFM) and $e_{g}(3z^{2}-r^{2})$orbital occupation. For $n=1$ the high density of interfacial planes ultimatelyleads to dominant FM order forcing the residual AFM phase to be in-plane too,while for $n \geq 5$ the FM layers are separated by AFM regions havingout-of-plane spin orientation.

Evolution of magnetic phases and orbital occupation in (SrMnO3)n/(LaMnO3)2n superlattices