Crystal Structure of [N(CH3)4]2CuBr4
- 1 January 1985
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 24 (S2)
- https://doi.org/10.7567/jjaps.24s2.758
Abstract
The crystal structure of [N(CH3)4]2CuBr4 was studied at 90, 70, 50, 38, 25°C in the paraelectric phase and at -33.5°C in the ferroelectric phase by the use of the data collected by a four-circle diffractometer. From the large values of temperature parameters of constituent atoms in the paraelectric phase and their variation with temperature we propose a model that all the constituent ions are in disorder in the paraelectric phase. In the ferroelectric phase(-33.5°C), the ions are almost in order. Structure of [N(CH3)4]2ZnCl4 in the paraelectric and ferroelectric phases is referred for comparison.Keywords
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