Increasing the perpendicular electric field in a bilayer graphene quantum dot switches the lowest shell filling from 4 electrons with a 2+2 spin sequence to 12 electrons with a 6+6 spin sequence, via trigonal warping minivalleys.
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Switching spin filling sequence in a bilayer graphene quantum dot through trigonal warping
Increasing the perpendicular electric field in a bilayer graphene quantum dot switches the lowest shell filling from 4 electrons with a 2+2 spin sequence to 12 electrons with a 6+6 spin sequence, via trigonal warping minivalleys.