Superspace approach helps: determination of proton dynamics in the phase transition of modulated supramolecular ferroelectrics: 5,5′-dimethyl-2,2′-bipyridine and bromanilic acid

Author:

Noohinejad Leila1ORCID,van Smaalen Sander2ORCID,Paulmann Carsten13,Tolkiehn Martin1

Affiliation:

1. P24, Photon Science, Deutsches Elektronen-Synchrotron DESY, D-22607 Hamburg, Germany

2. Laboratory of Crystallography, University of Bayreuth, D-95440 Bayreuth, Germany

3. Mineralogisch-Petrographisches Institute, University of Hamburg, D-20146 Hamburg, Germany

Abstract

For the first time, the superspace approach describes the relation between four ferroelectric-paraelectric phases, by using a unique superspace group and analyzing intermolecular interactions in terms of t-plots. The proton dynamic has a dominant role in phase transitions.

Publisher

Royal Society of Chemistry (RSC)

Subject

Condensed Matter Physics,General Materials Science,General Chemistry

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5. Organic Ferroelectric Materials and Applications , ed. K. Asadi , Woodhead Publishing , 2022

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