Resonant X-ray scattering studies of the B2 phase formed by bent-core molecules

A. Cady, R. Pindak, W. Caliebe, P. Barois, W. Weissflog, H. T. Nguyen, C. C. Huang

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

We have performed resonant X-ray scattering on two bent-core liquid crystal compounds exhibiting the B2 phase using three sample geometries: free-standing film and two others with free surface arrangements. The results conclusively demonstrate the two-layer orientational periodicity in this phase suggested by optical studies. We have performed the first resonant scattering experiments on liquid crystals at the chlorine K-edge, opening up a new class of compounds for resonant X-ray scattering studies. Furthermore, we have achieved an excellent alignment of the B2 phase with a free surface.

Original languageEnglish (US)
Pages (from-to)1101-1104
Number of pages4
JournalLiquid Crystals
Volume29
Issue number8
DOIs
StatePublished - Aug 1 2002

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