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Polymorphism and isomerisation of an azobenzene derivative on gold
Authors:Sändig Nadja  Teobaldi Gilberto  Zerbetto Francesco
Affiliation:Dipartimento di Chimica G. Ciamician, Università di Bologna, V. F. Selmi 2, 40126 Bologna, Italy.
Abstract:M-TBA (4-methoxy-3,30,5,50-tetra-tert-butylazobenzene) adsorbed on a gold (111) surface was found to form four different polymorphs, two of which isomerizable at -1.7 V, but with a low propensity for further isomerisation of nearby molecules (C. Dri, M. V. Peters, J. Schwarz, S. Hecht, L. Grill, Nat. Nanotechnol., 2008, 3, 649-653). Atomistic simulations investigate the origin of the effects.
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