EFFECT OF PRE-HEATING TEMPERATURE ON THE CHARACTERISTICS OF SOL–GEL DERIVED LEAD ZIRCONATE TITANATE FILMS

Effect of pre-heating temperature on the properties of Lead zirconate titanate (PZT) powders and films was investigated. PZT powders and films were prepared via a triol-based sol–gel route. The PZT powders prepared at various heating temperatures were characterized. The preheating temperature range of 200°C–400°C and annealing temperature of 600°C were chosen to make the films. AFM micrograph revealed the thin films with homogeneous, dense, and crack-free properties. The pre-heating temperature was found to have a significant effect on phase formation, prefer orientation, and dielectric properties of the films. Higher dielectric constant and dielectric loss were observed at higher pre-heating temperature. However, all films showed the dielectric loss less than 0.04.

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Dielectric Properties of Modified Lead Zirconate Titanate

Journal of Mountain Research ◽

10.51220/jmr.v16i2.29 ◽

2021 ◽

Vol 16 (2) ◽

Author(s):

R.K. Sharma ◽

Gunjan Purohit ◽

D. K. Tyagi

Keyword(s):

Dielectric Constant ◽

Dielectric Properties ◽

Dielectric Loss ◽

Lead Zirconate Titanate ◽

Lead Zirconate ◽

Dielectric Measurement ◽

Low Frequencies ◽

Loss Measurement ◽

Zirconate Titanate ◽

Paraelectric State

In this paper, the dielectric properties of modified i. e. alkali doped lead zirconate titanate Pb(Zr1- xTix)O3 has been studied. The composition Pb1-x (La1-zDz)x (Zry Ti1-y)1-x/4 O3;where x = 0.10, y = 0.70, z = 0.0, 0.1, 0.2, and 0.3, D= Na, K and Li has been prepared by conventional mixed oxide method at a temperature of 11000C. Dielectric constant and dielectric loss measurement of the sintered pellets has been measured. Dielectric measurement shows that the dielectric constant decreases with an increase in temperature. The results show that the dielectric loss is very small and decreases with frequency above 300°C. The increase in the dielectric constant observed at high temperatures and low frequencies is explained in the paraelectric state.

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Lead zirconate titanate thick films by sol-gel method for piezoelectric applications

Proceedings of the 13th IEEE International Symposium on Applications of Ferroelectrics, 2002. ISAF 2002. ◽

10.1109/isaf.2002.1195969 ◽

2003 ◽

Author(s):

Y. Ohya ◽

T. Tamakoshi ◽

T. Ban ◽

Y. Takahashi

Keyword(s):

Lead Zirconate Titanate ◽

Thick Films ◽

Sol Gel ◽

Lead Zirconate ◽

Gel Method ◽

Sol Gel Method ◽

Zirconate Titanate

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Preparation and Dielectric Properties of 1-3 La Modified PZT/IPN Piezoelectric Composites

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.105-106.355 ◽

2010 ◽

Vol 105-106 ◽

pp. 355-358 ◽

Cited By ~ 2

Author(s):

Z.L. Zhu ◽

Dong Yan Tang ◽

X.H. Zhang ◽

Y.J. Qiao

Keyword(s):

Heat Treatment ◽

Dielectric Constant ◽

Dielectric Properties ◽

Dielectric Loss ◽

Lead Zirconate Titanate ◽

Polymer Network ◽

Lead Zirconate ◽

Interpenetrating Polymer Network ◽

Ceramic Fibers ◽

Piezoelectric Composites

To prevent the potential cracking of gel fibers, La modified lead zirconate titanate (PLZT) ceramic fibers with diameter within 50µm were achieved by embedding into PLZT powders during the heat treatment. Then the 1-3 PLZT fiber/interpenetrating polymer network (IPN) piezoelectric composites were prepared by casting the IPN precursors onto the well aligned ceramic fibers. The influences of the heating temperatures and La amounts on the dielectric constant, dielectric loss with frequencies and piezoelectric constant of PLZT were investigated in detail. The morphologies of fibers and composites were observed by biological microscope. And also, the dielectric constant of PLZT fibers and PLZT fiber/IPN piezoelectric composites were detected.

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