Berry phase engineering at oxide interfaces
D. J. Groenendijk, C. Autieri, T. C. van Thiel, W. Brzezicki, J. R. Hortensius, D. Afanasiev, N. Gauquelin, P. Barone, K. H. W. van den Bos, S. van Aert, J. Verbeeck, A. Filippetti, S. Picozzi, M. Cuoco, A. D. Caviglia
Abstract
This paper demonstrates the emergence of topologically non-trivial bands in an ultrathin ferromagnet. The resulting competition between bands with opposite Berry phases is theoretically and experimentally shown to be tunable, by creating interfaces with other materials.
Topics & Concepts
Geometric phaseMaterials sciencePhase (matter)OxidePhysicsCondensed matter physicsWork (physics)Measure (data warehouse)NanotechnologyChemistryTopological Materials and PhenomenaChemical and Physical Properties of MaterialsElectronic and Structural Properties of Oxides