title: Quantum dots at room temperature carved out from few-layer graphene.
abstract: 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.
authors.affiliation: Kavli Institute of Nanoscience, Delft University of Technology, Lorentzweg 1, 2628 CJ Delft, The Netherlands. ab3690@columbia.edu
authors.forename: Amelia
authors.initials: A
authors.lastname: Barreiro
authors.forename: Herre S J
authors.initials: HS
authors.lastname: van der Zant
authors.forename: Lieven M K
authors.initials: LM
authors.lastname: Vandersypen