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|Title:||Mott scattering at the interface between a metal and a topological insulator|
|Citation:||Zhao, E., Zhang, C., Lababidi, M. (2010-11-30). Mott scattering at the interface between a metal and a topological insulator. Physical Review B - Condensed Matter and Materials Physics 82 (20) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.82.205331|
|Abstract:||We compute the spin-active scattering matrix and the local spectrum at the interface between a metal and a three-dimensional topological band insulator. We show that there exists a critical incident angle at which complete (100%) spin-flip reflection occurs and the spin-rotation angle jumps by π. We discuss the origin of this phenomena, and systematically study the dependence of spin-flip and spin-conserving scattering amplitudes on the interface transparency and metal Fermi-surface parameters. The interface spectrum contains a well-defined Dirac cone in the tunneling limit and smoothly evolves into a continuum of metal-induced gap states for good contacts. We also investigate the complex band structure of Bi2 Se3. © 2010 The American Physical Society.|
|Source Title:||Physical Review B - Condensed Matter and Materials Physics|
|Appears in Collections:||Staff Publications|
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