Title of article
Structural and ferroelectric properties of lanthanum modified BPZT ceramics
Author/Authors
Parveen Kumar، نويسنده , , Sangeeta Singh، نويسنده , , J.K. Juneja، نويسنده , , Chandra Prakash، نويسنده , , K.K. Raina، نويسنده ,
Issue Information
دوهفته نامه با شماره پیاپی سال 2011
Pages
4
From page
660
To page
663
Abstract
Lanthanum modified Ba0.80Pb0.20Ti0.90Zr0.10O3 (BPZT) ceramics with composition Ba0.80−xLax Pb0.20Ti0.90Zr0.10O3; x = 0–0.01 in steps of 0.0025 were prepared by conventional solid state method. All the samples were sintered at 1325 °C after compacting in circular discs. Detailed structural and ferroelectric properties were carried out for sintered specimens. X-ray diffraction analysis for all the sintered specimens shows tetragonal structure with perovskite. Coercive field (Ec) and remanent polarization (Pr) to spontaneous polarization (Ps) ratio (Pr/Ps) was found to decrease with increase in temperature. Pr/Ps ratio was found to decrease with increase in x, except x = 0.0025.
Keywords
Ferroelectrics , Barium titanate , PZT , Lanthanum
Journal title
Materials Chemistry and Physics
Serial Year
2011
Journal title
Materials Chemistry and Physics
Record number
1059182
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