Abstract
Langmuir-Blodgett (LB) monolayers of 22-tricosenoic acid deposited on layered tungsten diselenide (WSe2) have been investigated by Scanning Tunneling Microscopy (STM) in air. Reproducible molecular scale imaging of extended areas (16×16 nm) of the films was possible over more than two months after preparation. This indicates a high stability of the films on this type of polar substrates. The two-dimensional lattice of the organic film is incommensurate to the lattice of the WSe2 substrates. The STM experiments also indicate that the tip partially penetrates the organic film without destroying the film structure.
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Fuchs, H., Akari, S. & Dransfeld, K. Molecular resolution of Langmuir-Blodgett monolayers on tungsten diselenide by scanning tunneling microscopy. Z. Physik B - Condensed Matter 80, 389–392 (1990). https://doi.org/10.1007/BF01323521
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DOI: https://doi.org/10.1007/BF01323521