NDLI: Properties of 0.96(Bi0.5Na0.5)TiO3-(0.04-x)BaTiO3-xLiNbO3 Lead-Free Piezoceramics Near Morphotropic Phase Boundary

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Properties of 0.96(Bi0.5Na0.5)TiO3-(0.04-x)BaTiO3-xLiNbO3 Lead-Free Piezoceramics Near Morphotropic Phase Boundary

Content Provider	Semantic Scholar
Author	Zhang, Yating Yang, Ying Li Wang, Yiping Chen, Jing
Copyright Year	2015
Abstract	Abstract The structure, dielectric and piezoelectric properties of 0.96(Bi0.5Na0.5)TiO3-(0.04-x)BaTiO3-xLiNbO3 (x = 0, 0.01, 0.02, 0.03, 0.04) ceramics were investigated by a conventional solid-state reaction method. All compositions show a single perovskite structure without any second phases. It was ascertained that the morphotropic phase boundary (MPB) of ferroelectric rhombohedral and relaxor tetragonal lies in the range of 0.02 ≤ x ≤ 0.04 at room temperature. As a result, the MPB compositions show improved properties; the saturated polarization, remnant polarization and coercive field are 43.7 μC/cm2, 38.7 μC/cm2 and 48.7 kV/cm for x = 0.02 and 43 μC/cm2, 37.9 μC/cm2 and 47 kV/cm for x = 0.03, respectively. The maximum of piezoelectric constant d33 (124pC/N) was obtained for the ceramic with x = 0.03, which was located at the MPB region. Our results do not only supplement for BNT-based lead-free piezoelectric ceramics but also provide a way to develop new high-performance Pb-free piezoceramics.
Starting Page	207
Ending Page	212
Page Count	6
File Format	PDF HTM / HTML
DOI	10.1515/ehs-2014-0057
Volume Number	2
Alternate Webpage(s)	https://www.degruyter.com/downloadpdf/j/ehs.2015.2.issue-3-4/ehs-2014-0057/ehs-2014-0057.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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