Structure studies of the nematic phase formed by bent-core molecules

N. Vaupotic, J. Szydlowska, M. Salamonczyk, A. Kovarova, J. Svoboda, M.A. Osipov, D. Pociecha, E. Gorecka

Research output: Contribution to journalArticlepeer-review

76 Citations (Scopus)


In recent years there are several reports showing that bent-core mesogenic molecules are able to form biaxial nematic phase in which molecular rotation around the long molecular axis is strongly hindered. The x-ray pattern with azimuthally split signals at low angle region of diffraction is usually given as evidence for the biaxial nematic phase. We show experimentally and theoretically that such x-ray pattern is due to the local smectic-C fluctuations ('cybotactic' groups) in the uniaxial nematic phase.
Original languageEnglish
JournalPhysical Review E
Issue number3
Publication statusPublished - Sep 2009


  • structure studies
  • nematic phase
  • bent-core molecules


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