Phonons and electron-phonon coupling in graphene-h-BN heterostructures
arXiv:1407.6642 · doi:10.1002/andp.201400155
Abstract
First principle calculations of the phonons of graphene-BN heterostructures are presented and compared to those of the constituents. We show that AA and AB' stacking are not only energetically less favoured than AB but also dynamically unstable. We have identified low energy flat phonon branches of BN character with out of plane displacement and evaluated their coupling to electrons in graphene.
arXiv comment5 figures
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