Molecular biaxiality determines the helical structure – infrared measurements of the molecular order in the nematic twist-bend phase of difluoro terphenyl dimer-Reference-Cited by-同舟云学术

Molecular biaxiality determines the helical structure – infrared measurements of the molecular order in the nematic twist-bend phase of difluoro terphenyl dimer

Published:2021 Issue:7 Volume:23 Page:4151-4160
ISSN:1463-9076
Container-title:Physical Chemistry Chemical Physics
language:en
Short-container-title:Phys. Chem. Chem. Phys.

Author:

Merkel Katarzyna¹²³⁴^ORCID,Loska Barbara¹²³⁴^ORCID,Welch Chris⁵⁶⁷⁸^ORCID,Mehl Georg H.⁵⁶⁷⁸^ORCID,Kocot Antoni¹²³⁴^ORCID

Affiliation:

1. Institute of Materials Engineering

2. University of Silesia

3. 41-500 Chorzów

4. Poland

5. Department of Chemistry

6. University of Hull

7. Hull HU6 7RX

8. UK

Abstract

The biaxial order parameter is found to be negligible in the nematic phase, then starts increasing on entering the nematic twist-bend phase. The local director deformation was found to be determined by the molecular biaxiality parameter D.

Funder

Narodowe Centrum Nauki

Engineering and Physical Sciences Research Council

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

Link

http://pubs.rsc.org/en/content/articlepdf/2021/CP/D1CP00187F

Reference49 articles.

1. The dependency of twist-bend nematic liquid crystals on molecular structure: a progression from dimers to trimers, oligomers and polymers

2. Progression from nano to macro science in soft matter systems: dimers to trimers and oligomers in twist-bend liquid crystals