Regensburg 2019 – wissenschaftliches Programm

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PRV: Preisträgervorträge


PRV VI: Preisträgervortrag

Donnerstag, 4. April 2019, 13:15–13:45, H1

Spin, charge, and orbital reconstructions in complex oxide heterostructures — •Eva Benckiser — Max Planck Institute for Solid State Research, Stuttgart, Germany --- Laureate of the Walter-Schottky-Prize 2019

Transition-metal oxides with strong electron-electron correlations show a variety of technologically interesting phases with sharp metal-insulator transitions, different magnetic orders, and superconductivity. In a heterostructure, the physical properties can be modified by structural distortions induced by the underlying substrate, reduced dimensionality, and interfacial reconstructions in a multilayer. For a targeted material design, a sound knowledge of the individual effects is essential. We have studied in detail such reconstructions in model systems based on rare-earth nickelates. In my talk, I will present results from our investigations of the layer-resolved orbital occupations, the unusual antiferromagnetic order and its interaction with the bond-order instability, and the possibility of layer-specific charge carrier doping.

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