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High‐ TC interfacial ferromagnetism in SrMnO 3 LaMnO 3 superlattices

Keunecke, Marius ; Lyzwa, Fryderyk ; Schwarzbach, Danny ; Roddatis, Vladimir ; Gauquelin, Nicolas ; Müller‐Caspary, Knut ; Verbeeck, Johann ; Callori, Sara J. ; Klose, Frank ; Jungbauer, Markus ; Moshnyaga, Vasily

In: Advanced Functional Materials, 2020, vol. 30, no. 18, p. 1808270

Heterostructures of strongly correlated oxides demonstrate various intriguing and potentially useful interfacial phenomena. LaMnO3/SrMnO3 superlattices are presented showcasing a new high‐temperature ferromagnetic phase with Curie temperature, T C ≈360 K, caused by electron transfer from the surface of the LaMnO3 donor layer into the neighboring SrMnO3 acceptor layer. As a result, the...