Observation of Liquid Crystal Molecule on Graphite by Scanning Tunneling Microscopy
- 1 May 1991
- journal article
- research article
- Published by Taylor & Francis in Molecular Crystals and Liquid Crystals
- Vol. 199 (1), 141-149
- https://doi.org/10.1080/00268949108030925
Abstract
Molecules of liquid crystals(LCs) adsorbed on highly-oriented pyrolytic graphite(HOPG) were imaged by scanning tunneling microscopy(STM). Planar layer structures induced by the HOPG surface were obtained. Molecular packing models for the STM images are introduced with the aid of a molecular orbital calculation. Also we discuss the rearrangement of the LC alignment during the continuous STM measurement.Keywords
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