Structure and ferroelectric properties of lead-free NBT-KBT-BF ceramics

Phase formation, crystal structure parameters, dielectric and ferroelectric properties of ceramic solid solutions in the (1-y)[(1-x)(Na0.5Bi0.5)TiO3-x(K0.5Bi0.5)TiO3]-yBiFeO3 system with x = 0.25, y = 0–0.6 has been studied. Pure samples with the pseudocubic perovskite structure were obtained by the solid state reaction method. Addition of BiFeO3 stimulated a monotonous increase in the unit cell volume and in the Curie temperature Tm value. With increasing the BiFeO3 content, nonmonotonous behaviour of the dielectric permittivity, a decrease in the Tph value, a decrease in total electroconductivity and dielectric loss at the room temperature were revealed. © 2017 Taylor & Francis Group, LLC.

Авторы
Politova E.D. 1 , Fortalnova E.A. 1, 2 , Safronenko M.G. 2 , Kaleva G.M.1 , Golubko N.V.1 , Mosunov A.V.1 , Stefanovich S.Y. 1, 3 , Venskovskii N.U. 2
Редакторы
-
Журнал
Издательство
Taylor and Francis Inc.
Номер выпуска
1
Язык
Английский
Страницы
109-117
Статус
Опубликовано
Подразделение
-
Номер
-
Том
518
Год
2017
Организации
  • 1 L.Ya. Karpov Institute of Physical Chemistry, Moscow, Russian Federation
  • 2 RUDN University, Moscow, Russian Federation
  • 3 Lomonosov Moscow State University, Moscow, Russian Federation
Ключевые слова
(K0.5Bi0.5)TiO3; (Na0.5Bi0.5)TiO3; BiFeO3; dielectric relaxation; ferroelectric properties; perovskite structure; phase transitions
Дата создания
19.10.2018
Дата изменения
19.10.2018
Постоянная ссылка
https://repository.rudn.ru/ru/records/article/record/5261/