Structures and phase transitions in a new ferroelectric – pyridinium chlorochromate – studied by X-ray diffraction, DSC and dielectric methods

Małuszyńska, H.; Czarnecki, P.; Czarnecka, A.; Pająk, Z.

doi:10.1107/S0108768112005782

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 1
Packing arrangement in four crystal phases; on the left down the c hexagonal axis, on the right perpendicular to it. The arrows on the right represent the components of spontaneous polarization: P_py-Cr – displacive, P_a – ClCrO₃ and P_c – pyridinium. Cl atoms: green; O atoms: red; Cr atoms: pink; C atoms: gray; N atoms: blue. This figure is in colour in the electronic version of this paper.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 68| Part 2| March 2012| Pages 128-136

doi:10.1107/S0108768112005782

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