Polar self-organization of ferroelectric nematic liquid crystal molecules on atomically flat Au(111) surface
Understanding nanoscale mechanisms responsible for the recently discovered ferroelectric nematics can be helped by direct visualization of self-assembly of strongly polar molecules. Here we report on scanning tunneling microscopy (STM) studies of monomolecular layers of a ferroelectric nematic liqui...
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| creator | Marchenko, Alexandr A Kapitanchuk, Oleksiy L Yaroslava Yu Lopatina Nazarenko, Kostiantyn G Senenko, Anton I Katsonis, Nathalie Nazarenko, Vassili G Lavrentovich, Oleg D |
| description | Understanding nanoscale mechanisms responsible for the recently discovered ferroelectric nematics can be helped by direct visualization of self-assembly of strongly polar molecules. Here we report on scanning tunneling microscopy (STM) studies of monomolecular layers of a ferroelectric nematic liquid crystal on a reconstructed Au(111) surface. The monolayers are obtained by deposition from a solution at ambient conditions. The adsorbed ferroelectric nematic molecules self-assemble into regular rows with tilted orientation, resembling a layered structure of a smectic C. Remarkably, each molecular dipole in this architecture is oriented along the same direction giving rise to polar ferroelectric ordering. |
| doi_str_mv | 10.48550/arxiv.2401.10048 |
| format | Article |
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| subjects | Dipoles Ferroelectric materials Ferroelectricity Gold Liquid crystals Nematic crystals Physics - Soft Condensed Matter Scanning tunneling microscopy Self-assembly |
| title | Polar self-organization of ferroelectric nematic liquid crystal molecules on atomically flat Au(111) surface |
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