Double helical structure of the twist-bend nematic phase by resonant x-ray scattering at the carbon and sulfur K-edges

Mirosław Salamończyk, Richard Mandle, Anna Makal, Alexander Liebman-Peláez, Jun Feng, John William Goodby, Chenhui Zghu

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The mesogenic dimer displaying nematic and NTB phases was
investigated by resonant x-ray scattering at both C and S
absorption K-edges and supported by the single x-ray
crystallography. In the crystal the resonant studies revealed the
forbidden reflection in non-resonant diffraction similar to that
found in the NTB phase. The lack of a second harmonic in both C
and S resonant x-ray scattering supports the double helical
structure of the twist-bend nematic phase.
Original languageEnglish
Number of pages6
JournalSoft Matter
Early online date20 Nov 2018
Publication statusE-pub ahead of print - 20 Nov 2018

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