Plasmon characteristics in stage-1 graphene intercalation compounds

Acharya, Sidharth ; Sharma, Raman

Abstract

The plasmon characteristics in stage-1 graphene intercalation compounds (GIC’s) using the massless Dirac fermion (MDF) gas approximation have been reported. The superlattice model of GIC’s with negligible c-axis conductivity has been considered. With the discussion of the weak and the strong c-axis coupling at graphene-intercalant hetrojunction plasmon characteristics of GIC’s are predicted. A reasonable agreement has been found between our results and the experimental results of Ritsko and Rice.

Keyword(s)

Intercalated graphene, Dielectric function, Energy loss function

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