Structural and dielectric properties of (Bi) modified PLSZT ceramics

Structural and dielectric properties of (Bi) modified PLSZT ceramics

F. Saouli F. Z. Sriti M. Abba Z. Necira H. Menasra A. Beddari 

LMCE, Laboratory of Molecular Chemistry and Environment, University of Biskra, Algeria BP 145 RP, Biskra 07000, Algeria

Laboratory of Applied Chemistry, University of Biskra, Algeria BP 145 RP, Biskra 07000, Algeria

Corresponding Author Email: 
saouli.fatma@hotmail.fr
Page: 
221-231
|
DOI: 
https://doi.org/10.3166/ACSM.42.221-231
Received: 
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Accepted: 
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Published: 
30 June 2018
| Citation

OPEN ACCESS

Abstract: 

 Piezoelectric ceramics are widely used in various applications such as lead zirconate titanate (PZT), especially after the development of acceptor or donor dopant. This is why all studies are interested in the effect of dopants on the properties of PZT ceramics are in great demand. In this work, the polycrystalline samples of Pb(0.95-x) La 0.03 Sm0.02 Bi x(Zr0.3,Ti0.7)O3 (x=0, 0.02, 0.04, 0.06, 0.08, 0.1) were prepared by a high-temperature solid-state reaction technique. Scanning electron micrograph (SEM) and X-ray diffraction (XRD) techniques was employed to examine the crystallization of the ceramics. The results of XRD show that the phase structure of the samples is tetragonal. The dielectric constant and the dielectric loss of the investigated samples decreased with increase in the frequency, then we can say that the doping with the Bi on PLSZT, enhances the dielectric and electrical properties

Keywords: 

ferroelectric, microstructure, piezoelectric ceramics, dielectric properties

1. Introduction
2. Materials and methods
3.Result and discussion
4. Conclusion
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