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Strong Improper Ferroelasticity and Weak Canted Ferroelectricity in a Martensitic‐Like Phase Transition of Diisobutylammonium Bromide
Author(s) -
PiechaBisiorek Anna,
Białońska Agata,
Jakubas Ryszard,
Zieliński Piotr,
Wojciechowska Martyna,
Gałązka Mirosław
Publication year - 2015
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201501812
Subject(s) - ferroelasticity , ferroelectricity , materials science , phase transition , condensed matter physics , multiferroics , ferroics , martensite , phase (matter) , electric field , composite material , dielectric , microstructure , quantum phase transition , physics , quantum mechanics , quantum critical point , optoelectronics
Diisobutylammonium bromide is found to be a unique improper ferroelastic in which the elastic degrees of freedom seem to play the essential role, giving rise to a domain pattern resembling that of martensitic phase transitions. A weak canted ferroelectricity turns out switchable by an electric field.