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

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.