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IEEE Proceedings of Photonics Global Conference (PGC), 2012, p. 1-3 (2012)

ISBN: 978-1-4673-2513-4

Exciton type 2 in graphene bilayer

Hoa, V.T., Thao, T.T., Thanh, N.V., Lan, N.T., Viet, N.A.

Excitons play important role in determining the optical properties of condensed mater structures. The exciton type 2 (indirect excitons) is formed when the electron and hole have a difference in phase space. In the frame work of the simplest four band model with two direct or indirect band gaps we investigated and discussed the formation problem of type 2 exciton in graphene bilayers with a finite voltage difference.


DOI: 10.1109/PGC.2012.6458080