First experimental observation of an elusive stacking order in tetralayer graphene

Using advanced spectroscopic techniques, researchers from RWTH Aachen University have been able to observe for the first-time domains of tetralayer graphene with ABCB stacking. The results have been reported in ACS Nano.

s-SNOM imaging of different stacking domains in tetralayer graphene. The highlighted domain and schematics on the right correspond to ABCB stacking .
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