Substrate effect on the surface structures of liquid crystalline polymers

Olaf Karthaus, Hiroshi Yabu, Takeo Koito, Kazuo Akagi, Masatsugu Shimomura

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


Annealing dewetted films of smectic polymers in their mesophase, a peculiar surface structure was observed by polarizing microscopy and atomic force microscopy. The surface structure, which develops independent from the substrate, consists of micron-size shallow dimples that are a few nanometer in depth. The lateral spacing of the dimples, which arrange in a hexagonal lattice, is directly proportional to the thickness of the dot. Based upon in situ video imaging of the dimple formation dynamics a mechanism is proposed.

Original languageEnglish
Pages (from-to)353-358
Number of pages6
JournalMolecular Crystals and Liquid Crystals
Publication statusPublished - 2001


  • Dewetting
  • Mesoscopic structure
  • Polyacetylene
  • Smectic polymer
  • Substrate effect


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