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Phys. Rev. Lett. 100, 046103 (2008) [4 pages]

Extended One-Dimensional Supramolecular Assembly on a Stepped Surface

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J. Schnadt1, E. Rauls1, W. Xu1, R. T. Vang1, J. Knudsen1, E. Lægsgaard1, Z. Li2, B. Hammer1, and F. Besenbacher1,*
1Interdisciplinary Nanoscience Center (iNANO) and Department of Physics and Astronomy, University of Aarhus, Building 1521, Ny Munkegade, 8000 Aarhus C, Denmark
2Institute for Storage Ring Facilities at the University of Aarhus (ISA), Building 1525, Ny Munkegade, 8000 Aarhus C, Denmark

See Also: Erratum

Received 24 August 2007; published 30 January 2008

2,6-naphthalene-dicarboxylic acid was adsorbed on a Ag(110) surface with an average terrace width of only some tens of a nm. Scanning tunneling microscopy shows that the adsorbates self-assemble into one-dimensional mesoscale length chains. These extend over several hundred nanometers and thus the structure exhibits an unprecedented tolerance to monatomic surface steps. Density functional theory and x-ray photoelectron spectroscopy explain the behavior by a strong intermolecular hydrogen bond plus a distinct template-mediated directionality and a high degree of molecular backbone flexibility.

© 2008 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.100.046103
DOI:
10.1103/PhysRevLett.100.046103
PACS:
68.43.Bc, 68.37.Ef, 68.43.Hn

*fbe@inano.dk

See Also

Erratum: J. Schnadt, E. Rauls, W. Xu, R. T. Vang, J. Knudsen, E. Lægsgaard, Z. Li, B. Hammer, and F. Besenbacher, Erratum: Extended One-Dimensional Supramolecular Assembly on a Stepped Surface [Phys. Rev. Lett. 100, 046103 (2008)], Phys. Rev. Lett. 100, 209901 (2008).

 
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