Coexistence of Ferromagnetic and Antifferromagnetic Phases in PLZT Ceramics

  • A. Peláiz Barranco Facultad de Física-IMRE, Universidad de La Habana. San Lázaro y L, Vedado. La Habana 10400, Cuba
  • O. García Zaldívar Facultad de Física-IMRE, Universidad de La Habana. San Lázaro y L, Vedado. La Habana 10400, Cuba
  • J. de los Santos Guerra Departamento de Física e Química, Universidad Estadual Paulista. 15385-000, Ilha Solteira SP, Brasil
  • Ana Montalvo Bereau Facultad de Física-IMRE, Universidad de La Habana. San Lázaro y L, Vedado. La Habana 10400, Cuba
  • F. Calderón Piñar Facultad de Física-IMRE, Universidad de La Habana. San Lázaro y L, Vedado. La Habana 10400, Cuba
  • J. A. Eiras Departamento de Física, Universidad Federal de São Carlos, Rod. Wash. Luis, km. 235, 13.565-905-São Carlos-SP, Brasil

Abstract

Study of dielectric, ferroelectric and structural behavior of the lanthanum modified PZT ceramic system is performed. The ferroelectric and antiferroelectric characteristics as well as the dependence of its properties with the lanthanum concentration are discussed. The structural analysis show two phases at room temperature. Asymmetrical curves are obtained in the temperature dependence of the dielectric permittivity around the transition temperature, which is characteristic of an antiferroelectric-paraelectric phase transition. On the other hand, the increment of the lanthanum concentration provides slim P-E loops.

Published
Dec 20, 2007
How to Cite
PELÁIZ BARRANCO, A. et al. Coexistence of Ferromagnetic and Antifferromagnetic Phases in PLZT Ceramics. Revista Cubana de Física, [S.l.], v. 24, n. 2, p. 133-137, dec. 2007. ISSN 2224-7939. Available at: <https://revistacubanadefisica.org/index.php/rcf/article/view/RCF_24_2_133>. Date accessed: 13 aug. 2022.
Section
Original Articles