Understanding order and correlation in liquid crystals by fluctuation scattering

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dc.contributor.authorBinns, Jen_AU
dc.contributor.authorAdams, Pen_AU
dc.contributor.authorKewish, CMen_AU
dc.contributor.authorGreaves, TLen_AU
dc.contributor.authorMartin, AVen_AU
dc.date.accessioned2023-09-11T06:28:14Zen_AU
dc.date.available2023-09-11T06:28:14Zen_AU
dc.date.issued2021-11-26en_AU
dc.date.statistics2023-04-26en_AU
dc.description.abstractCharacterising the supramolecular organisation of macromolecules in the presence of varying degrees of disorder remains one of the challenges of macromolecular research. Discotic liquid crystals (DLCs) are an ideal model system for understanding the role of disorder on multiple length scales. Consisting of rigid aromatic cores with flexible alkyl fringes, they can be considered as one-dimensional fluids along the stacking direction and they have attracted attention as molecular wires in organic electronic components and photovoltaic devices. With its roots in single-particle imaging, fluctuation x-ray scattering (FXS) is a method that breaks free of the requirement for periodic order. However, the interpretation of FXS data has been limited by difficulties in analysing intensity correlations in reciprocal space. Recent work has shown that these correlations can be translated into a three-and four-body distribution in real space called the pair-angle distribution function (PADF) – an extension of the familiar pair distribution function into a three-dimensional volume. The analytical power of this technique has already been demonstrated in studies of disordered porous carbons and self-assembled lipid phases. Here we report on the investigation of order-disorder transitions in liquid crystal materials utilising the PADF technique and the development of facilities for FXS measurements at the Australian Synchrotron. © 2021 The Authorsen_AU
dc.identifier.articlenumber82en_AU
dc.identifier.citationBinns, J., Adams, P., Kewish, C., Greaves, T., & Martin, A. (2021). Understanding order and correlation in liquid crystals by fluctuation scattering. Presentation to the ANSTO User Meeting, Online, 24-26 November 2021. Retrieved from: https://events01.synchrotron.org.au/event/146/contributions/4382/contribution.pdfen_AU
dc.identifier.conferenceenddate2021-11-26en_AU
dc.identifier.conferencenameANSTO User Meeting 2021en_AU
dc.identifier.conferenceplaceOnlineen_AU
dc.identifier.conferencestartdate2021-11-24en_AU
dc.identifier.urihttps://events01.synchrotron.org.au/event/146/contributions/4382/contribution.pdfen_AU
dc.identifier.urihttps://apo.ansto.gov.au/handle/10238/15111en_AU
dc.language.isoenen_AU
dc.publisherAustralian Nuclear Science and Technology Organisationen_AU
dc.relation.urihttps://events01.synchrotron.org.au/event/146/contributions/4382/contribution.pdfen_AU
dc.subjectCorrelationsen_AU
dc.subjectFluctuationsen_AU
dc.subjectScatteringen_AU
dc.subjectDataen_AU
dc.subjectANSTOen_AU
dc.subjectMoleculesen_AU
dc.subjectLiquid crystalsen_AU
dc.titleUnderstanding order and correlation in liquid crystals by fluctuation scatteringen_AU
dc.typeConference Presentationen_AU
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