Excitons are studied experimentally and theoretically in atomically thin WS2 layers. We find a binding energy of 0.32eV as well as non-hydrogenic behavior of the exciton states due to the non-uniformity of the dielectric environment.
© 2014 OSA
A. Chernikov, T. C. Berkelbach, H. M. Hill, A. Rigosi, Y. Li, Ö. B. Aslan, D. R. Reichman, M. S. Hybertsen, and T. F. Heinz, "Excitons in Atomically Thin Transition-Metal Dichalcogenides," in CLEO: 2014, OSA Technical Digest (online) (Optical Society of America, 2014), paper FTu2B.6.
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