Amelia Barreiro, Herre S. J. van der Zant, Lieven M. K. Vandersypen
Published 2012-11-19, updated 2012-11-21Version 2
We present graphene quantum dots endowed with addition energies as large as 1.6 eV, fabricated by the controlled rupture of a graphene sheet subjected to a large electron current in air. The size of the quantum dot islands is estimated to be in the 1 nm range. The large addition energies allow for Coulomb blockade at room temperature, with possible application to single-electron devices.
Journal: Nano Lett. 2012, 12, 6096
Observation of out-of-plane vibrations in few-layer graphene
Temperature-activated layer-breathing vibrations in few-layer graphene
Low-frequency phonons of few-layer graphene within a tight-binding model
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