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Sodium bismuth titanate (NBT) and its solid solutions with other ABO 3 perovskites are of great interest for lead-free ferroelectric and piezoelectric applications. In this article, we provide an introduction… Click to show full abstract
Sodium bismuth titanate (NBT) and its solid solutions with other ABO 3 perovskites are of great interest for lead-free ferroelectric and piezoelectric applications. In this article, we provide an introduction to the complex structure of NBT, including atomic displacements and nanoscale defects. We also review poling effects and properties as well as NBT-ABO 3 phase equilibria. The interesting relaxor properties, frequency dispersion in dielectric permittivity, and field-induced structural phase transitions of these systems are discussed. Finally, we describe other functional, mechanical, and electrical properties of NBT.
Journal Title: Mrs Bulletin
Year Published: 2018
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