Planar tunneling into twisted bilayer graphene shows a tenfold conductance increase and a much narrower zero-bias suppression than Bernal bilayer graphene, attributed to low-energy layer-breathing phonons enabled by the small moiré Brillouin zone.
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Enhanced Phonon-Assisted Tunneling in Metal -- Twisted Bilayer Graphene Junctions
Planar tunneling into twisted bilayer graphene shows a tenfold conductance increase and a much narrower zero-bias suppression than Bernal bilayer graphene, attributed to low-energy layer-breathing phonons enabled by the small moiré Brillouin zone.