Coulomb engineering of the bandgap and excitons in two-dimensional materials

URN to cite this document:: urn:nbn:de:bvb:355-epub-405147
DOI to cite this document:: 10.5283/epub.40514

Raja, Archana ; Chaves, Andrey ; Yu, Jaeeun ; Arefe, Ghidewon ; Hill, Heather M. ; Rigosi, Albert F. ; Berkelbach, Timothy C. ; Nagler, Philipp ; Schüller, Christian ; Korn, Tobias

; Nuckolls, Colin ; Hone, James ; Brus, Louis E. ; Heinz, Tony F. ; Reichman, David R. ; Chernikov, Alexey

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Date of publication of this fulltext: 18 Jul 2019 13:06

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Abstract

The ability to control the size of the electronic bandgap is an integral part of solid-state technology. Atomically thin two-dimensional crystals offer a new approach for tuning the energies of the electronic states based on the unusual strength of the Coulomb interaction in these materials and its environmental sensitivity. Here, we show that by engineering the surrounding dielectric ...