Betaine compounds–a new family with ferroelectric and incommensurate phases
- 1 February 1988
- journal article
- research article
- Published by Taylor & Francis Ltd in Ferroelectrics
- Vol. 78 (1), 3-10
- https://doi.org/10.1080/00150198808215883
Abstract
Several addition compounds of the amino acid betaine and inorganic acids were found in the last years to possess structural, ferroelastic, ferroelectric or antiferroelectric phase transitions. As well commensurate as incommensurate phases are observed. The materials are betaine phosphate (antiferroelectric), betaine arsenate (ferroelectric, but antiferroelectric if deuterated), betaine borate (ferroelastic), betaine phosphite (ferroelectric), and betaine calcium chloride dihydrate (several commensurate and incommensurate phases with soft mode behavior, ferroelectric in its lowest phase).Keywords
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