Antiferroelectricity is a physical property of certain materials. It is closely related to ferroelectricity; the relation between antiferroelectricity and ferroelectricity is analogous to the relation between antiferromagnetism and ferromagnetism.
An antiferroelectric material consists of an ordered (crystalline) array of electric dipoles (from the ions and electrons in the material), but with adjacent dipoles oriented in opposite (antiparallel) directions (the dipoles of each orientation form interpenetrating sublattices, loosely analogous to a checkerboard pattern).[1][2] This can be contrasted with a ferroelectric, in which the dipoles all point in the same direction.
In an antiferroelectric, unlike a ferroelectric, the total, macroscopic spontaneous polarization is zero, since the adjacent dipoles cancel each other out.
Antiferroelectricity is a property of a material, and it can appear or disappear (more generally, strengthen or weaken) depending on temperature, pressure, external electric field, growth method, and other parameters. In particular, at a high enough temperature, antiferroelectricity disappears; this temperature is known as the Néel point or Curie point.
antiferroelectricity, physical, property, certain, materials, closely, related, ferroelectricity, relation, between, antiferroelectricity, ferroelectricity, analogous, relation, between, antiferromagnetism, ferromagnetism, antiferroelectric, material, consists. Antiferroelectricity is a physical property of certain materials It is closely related to ferroelectricity the relation between antiferroelectricity and ferroelectricity is analogous to the relation between antiferromagnetism and ferromagnetism An antiferroelectric material consists of an ordered crystalline array of electric dipoles from the ions and electrons in the material but with adjacent dipoles oriented in opposite antiparallel directions the dipoles of each orientation form interpenetrating sublattices loosely analogous to a checkerboard pattern 1 2 This can be contrasted with a ferroelectric in which the dipoles all point in the same direction In an antiferroelectric unlike a ferroelectric the total macroscopic spontaneous polarization is zero since the adjacent dipoles cancel each other out Antiferroelectricity is a property of a material and it can appear or disappear more generally strengthen or weaken depending on temperature pressure external electric field growth method and other parameters In particular at a high enough temperature antiferroelectricity disappears this temperature is known as the Neel point or Curie point References edit Compendium of chemical terminology Gold Book PDF International Union of Pure and Applied Chemistry 2014 Archived from the original PDF on 2016 09 13 Retrieved 2012 10 01 Charles Kittel 1951 Theory of Antiferroelectric Crystals Phys Rev 82 5 729 732 Bibcode 1951PhRv 82 729K doi 10 1103 PhysRev 82 729 nbsp This condensed matter physics related article is a stub You can help Wikipedia by expanding it vte nbsp This electromagnetism related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Antiferroelectricity amp oldid 1098408937, wikipedia, wiki, book, books, library,
