Proximity spin-orbit and exchange coupling in ABA and ABC trilayer graphene van der Waals heterostructures
Klaus Zollner,
Martin Gmitra,
Jaroslav Fabian
Abstract:We investigate the proximity spin-orbit and exchange couplings in ABA and ABC trilayer graphene encapsulated within monolayers of semiconducting transition-metal dichalcogenides and the ferromagnetic semiconductor Cr2Ge2Te6. Employing first-principles calculations we obtain the electronic structures of the multilayer stacks and extract the relevant proximity-induced orbital and spin interaction parameters by fitting the low-energy bands to model Hamiltonians. We also demonstrate the tunability of the proximity… Show more
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