Abstract
Slightly < 111 >-oriented 0.65Pb(Mg1/3Nb2/3)03-0.35PbTiO(3) ceramic was
prepared using fine powders obtained by means of an alternative and
promising chemical oxide precursor method. High quality samples with
improved structural, microstructural, dielectric and ferroelectric
properties were obtained. The dielectric constant value (epsilon similar
to 2577) measured at 1 kHz is compared to unpoled < 112 > grain-oriented
ceramics while the remanent polarization (P-r similar to 19-1 mu cm(-2))
is compared with random grain-oriented ceramics. These results point out
the viability to produce ferroelectric PMN-PT ceramics of very good
quality using powder precursors prepared from this chemical method. (c)
2007 Elsevier B.V. All rights reserved.
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