Structural and dielectric properties of sol-gel derived PLZT (x/60/40)

Polycrystalline samples of (Pb^sub 1-z^La^sub z^)(Zr^sub 0.60^Ti^sub 0.40^)^sub 1-z/4^O^sub 3^ (where z = 0.00, 0.05, 0.09, 0.12, 0.14 mol %) (abbreviated as PLZT) were synthesized through acetate-alkoxide sol-gel route. The formation and existence of different crystallographic phases as a function...

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Bibliographic Details
Published in:Journal of electroceramics 2000-11, Vol.5 (3), p.201-209
Main Authors: SHANNIGRAHI, S. R, CHOUDHARY, R. N. P
Format: Article
Language:English
Subjects:
Ceramics
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Dielectric properties
Dielectric, piezoelectric, ferroelectric and antiferroelectric materials
Dielectrics, piezoelectrics, and ferroelectrics and their properties
Diffusion
Exact sciences and technology
Niobates, titanates, tantalates, pzt ceramics, etc
Phase transformations
Phase transitions
Phases
Physics
Sol gel process
Transmission electron microscopy
X-rays
Zirconium titanates
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Summary:Polycrystalline samples of (Pb^sub 1-z^La^sub z^)(Zr^sub 0.60^Ti^sub 0.40^)^sub 1-z/4^O^sub 3^ (where z = 0.00, 0.05, 0.09, 0.12, 0.14 mol %) (abbreviated as PLZT) were synthesized through acetate-alkoxide sol-gel route. The formation and existence of different crystallographic phases as a function of z was checked through X-ray, TEM, SEM and dielectric studies. The diffuse phase transition (DPT) was observed in PLZT with higher concentration of La (i.e., for z = 0.00 to 0.12), but for z = 0.14, the compound did not show any phase transition.[PUBLICATION ABSTRACT]
ISSN:1385-3449
1573-8663
DOI:10.1023/A:1026571210431