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Subsurface impurities and vacancies in a three-dimensional topological insulator
Subsurface impurities vacancies three-dimensional topological insulator
2012/2/24
Using a three-dimensional microscopic lattice model of a strong topological insulator (TI) we study potential impurities and vacancies in surface and subsurface positions. For all impurity locations w...
Bulk Intergrowth of a Topological Insulator with a Room Temperature Ferromagnet
Bulk Intergrowth Topological Insulator Room Temperature Ferromagnet
2012/2/24
We demonstrate that the layered room temperature ferromagnet Fe7Se8 and the topological insulator Bi2Se3 form crystallographically oriented bulk composite intergrowth crystals. The morphology of the i...