Microstructure, dielectric and ferroelectric characterization of Ba doped PLZT ceramics

Ramam, K; Miguel, V

Abstract

Ba doped PLZT ceramic compositions with formula Pb0.982-zLa 0.012Δ0.006-zBaz(Zr0.55Ti 0045)O3 for 2 = 0 to 6 mole% are synthesized by mixed-oxide method. Powder XRD studies indicate the coexistence of rhombohedral and tetragonal phase in 5 mole% Ba doped PLZT composition. SEM pictures show grain size control as Ba concentration increases in PLZT system. εrt and tan 6 are increased up to 4 mole% and 5 mole% Ba doped PLZT composition respectively. Dielectric maximum (εTC) is decreased to 4 mole% Ba doped PLZT and Curie temperature (TC) is decreased with increase of Ba concentration in PLZT system. Coercive field (Ec) has shown gradual enhancement over series. Remanent (P r) and spontaneous (Ps) polarizations are decreased to 5 mole% Ba doped PLZT composition.

Más información

Título según WOS: Microstructure, dielectric and ferroelectric characterization of Ba doped PLZT ceramics
Título según SCOPUS: Microstructure, dielectric and ferroelectric characterization of Ba doped PLZT ceramics
Título de la Revista: EUROPEAN PHYSICAL JOURNAL-APPLIED PHYSICS
Volumen: 35
Número: 1
Editorial: EDP SCIENCES S A
Fecha de publicación: 2006
Página de inicio: 43
Página final: 47
Idioma: English
URL: http://www.epjap.org/10.1051/epjap:2006065
DOI:

10.1051/epjap:2006065

Notas: ISI, SCOPUS