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  • Title: Optical conductivity of ABA stacked graphene trilayer: mid-IR resonance due to band nesting.
    Author: Rashidian Z, Bludov YV, Ribeiro RM, Peres NM, Vasilevskiy MI.
    Journal: J Phys Condens Matter; 2014 Oct 01; 26(39):395301. PubMed ID: 25192336.
    Abstract:
    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.
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