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Phonon excitation and instabilities in biased graphene nanoconstrictions
Tue Gunst, Jing-Tao Lü, Per Hedegård +1
We calculate the phonons in a graphene nanoconstriction(GNC) in the presence of a high current density. The Joule-heating, current-induced forces, and coupling to electrode phonons…
Light emission and finite frequency shot noise in molecular junctions: from tunneling to contact
Jing-Tao Lü, Rasmus Bjerregaard Christensen, Mads Brandbyge
Scanning tunneling microscope induced light emission from an atomic or molecular junction has been probed from the tunneling to contact regime in recent experiments. There, the int…
Electronic and transport properties of kinked graphene
Jesper Toft Rasmussen, Tue Gunst, Peter Bøggild +2
Local curvature, or bending, of a graphene sheet is known to increase the chemical reactivity presenting an opportunity for templated chemical functionalization. Using first princi…