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Bilder aus der Forschung des PGI-1/IAS-1


Band structure of antimony telluride
Calculated band structure of a 100-quintuple layer slab of Sb2Te3 compared to a spectrum measured by angle-resolved photoemission spectroscopy (ARPES) (experiment performed at PGI-6). The colour encodes the degree of localization of the states on the outermost layer of the slab, with white and yellow for surface states and surface resonances and red for bulk states. The calculation was performed with the GW approximation that includes renormalization effects due to electron-electron scattering.

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