New organic ferroelectrics: Cocrystal of 5,5'-dimethyl-2,2'-bipyridine and bromanilic acid

Yasuhisa Yamamura, Erika Saito, Hideki Saitoh, Norie Hoshino, Kazuya Saito

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Cocrystal 55DMBPH2ba was synthesized and characterized. The crystal structure is isostructural to cocrystal 55DMBPH2ia with iodanilic acid. The heat capacity, dielectric permittivity, and polarizationelectric field hysteresis showed that the 55DMBPH2ba undergoes a paraelectricferroelectic phase transition at 253K on cooling. The transition mechanism is discussed through the analysis of isotropic temperature factors of atoms.

Original languageEnglish
Pages (from-to)119-121
Number of pages3
JournalChemistry Letters
Volume41
Issue number1
DOIs
Publication statusPublished - 2012 Jan 6
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)

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