Microstructure and electrical characterisations of K-modified PLZT

被引:0
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作者
S. R. Shannigrahi
R. N. P. Choudhary
H. N. Acharya
T. P. Sinha
机构
[1] Indian Institute of Technology,Department of Physics and Meteorology
[2] Bose Institute,Department of Physics
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关键词
Polymer; Microstructure; Phase Transition; Dielectric Property; Wide Temperature Range;
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摘要
Potassium-modified PLZT [Pb0.92(La1 − zKz)0.08(Zr0.60Ti0.40)0.98 + 0.04zO3 (z = 0.0, 0.1, 0.3, 0.5, 0.7)] ceramics were synthesised using sol-gel technique. Preliminary structural and microstructural parameters were determined using XRD, SEM and TEM techniques. Detailed studies of dielectric properties at 10 kHz in a wide temperature range suggest that the compounds have diffuse phase transition of second order. Studies of spontaneous polarisation, pyroelectric and piezoelectric properties yielded data for devices.
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页码:1737 / 1742
页数:5
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