期刊
PHYSICAL REVIEW LETTERS
卷 88, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.88.028301
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The formation of one-dimensional, unidirectional nanoscopic molecular structures by self-assembly on metal substrates with a long range ordering up to several hundred nanometers has been achieved by a novel mechanism, an oscillatory modulation of the adsorption energy due to charge-density waves related to a surface state. For the case of pentacene (C22H14) adsorbed on Cu(110), annealing at 400 K produces a regular pattern of molecular wires one molecule wide (15.6 Angstrom) and a wire-to-wire distance of 28 +/- 2 Angstrom. Results obtained for similar compounds suggest that the underlying mechanism is rather general and can be applied also for other linear aromatic molecules.
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