Abstract
The UHV deposition of \ensuremath{\alpha}-hexathiophene (T6) oligomers on the 1\ifmmode\times\else\texttimes\fi{}2 reconstructed Au(110) surface has been studied in situ. The evolution of the surface morphology during the deposition is followed by the He atom scattering method. A proliferation of Au monoatomic steps is observed during deposition, indicating a strong interaction between Au substrate and T6 molecules. The build-up of a well-ordered single monolayer is obtained with a rectangular unit cell. Its dimensions indicate that T6 molecules lie on the surface, aligned along the rows of close-packed Au atoms. \textcopyright{} 1996 The American Physical Society.
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