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Li, Jichao C. ; Beltrán Finez, Juan Ignacio ; Muñoz, M. Carmen | American Physical Society | 2013-02-07We demonstrate the formation of a ferromagnetic two-dimensional d_(x)y electron sheet strictly confined to the TiO_(2) interface layer in LaAlO_(3)/SrTiO_(3) heterostructures. Based on first-principles density functional calculations we show tha[...]texto impreso
Density functional theory calculations reveal the existence of different correlated-electron ground states in (111)-oriented n-type LaAlO_(3)/SrTiO_(3) symmetric superlattices. They can be tuned by selecting the SrTiO3 thickness, and range from [...]
