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TitleOptical conductivity of ABA stacked graphene trilayer : mid-IR resonance due to band nesting
Author(s)Rashidian, Zeinab
Bludov, Yuliy V.
Ribeiro, R. M.
Peres, N. M. R.
Vasilevskiy, Mikhail
Bernal stacking
optical absorption
Issue date5-Sep-2014
PublisherIOP Publishing Ltd
JournalJournal of Physics: Condensed Matter
CitationRashidian, Z., Bludov, Y. V., Ribeiro, R. M., Peres, N. M. R., & Vasilevskiy, M. I. (2014). Optical conductivity of ABA stacked graphene trilayer: Mid-IR resonance due to band nesting. Journal of Physics Condensed Matter, 26(39).
Abstract(s)The band structure and the optical conductivity of an ABA (Bernal-type) stacked graphene trilayer are calculated. It is shown that, under appropriate doping, a strong resonant peak develops in the optical conductivity, located at the frequency corresponding to approximately 1.4 times the interlayer hopping energy and caused by the 'nesting' of two nearly parabolic bands in the electronic spectrum. The intensity of this resonant absorption can be controlled by adjusting the gate voltage. The effect is robust with respect to increasing temperature.
Publisher version
AccessOpen access
Appears in Collections:CDF - CEP - Artigos/Papers (with refereeing)

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