Quenched bismuth ferrite-barium titanate lead-free piezoelectric ceramics

In this work, the quenched method can effectively promote the electrical properties of bismuth ferrite-barium titanate (BiFeO3BaTiO3, BFO-BTO) ceramics. Here we mainly focused on the modification of the quenched methods in the 0.67Bi1.05FeO3–0.33BaTiO3 ceramics with rhombohedral-cubic phase boundary...

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Bibliographic Details
Published inJournal of alloys and compounds Vol. 676; pp. 505 - 512
Main Authors Zheng, Ting, Wu, Jiagang
Format Journal Article
LanguageEnglish
Published Elsevier B.V 15.08.2016
Subjects
BiFeO3-BaTiO3
Electrical properties
Lead-free ceramics
Quenched method
Lead-free ceramics
Quenched method
BiFeO3-BaTiO3
Electrical properties
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Summary:In this work, the quenched method can effectively promote the electrical properties of bismuth ferrite-barium titanate (BiFeO3BaTiO3, BFO-BTO) ceramics. Here we mainly focused on the modification of the quenched methods in the 0.67Bi1.05FeO3–0.33BaTiO3 ceramics with rhombohedral-cubic phase boundary. By optimizing the preparation conditions, the ceramics possess high Curie temperature (TC∼457 °C), large piezoelectricity (d33∼170 pC/N), and good ferroelectricity (Pr∼22 μC/cm2). The enhanced electrical properties are mainly assigned to the quenching technique with optimized conditions. We believe that such a systematic research can point out a way for further fabricating high-performance ceramics. •Developing the quenched technique for fabricating Bi1.05FeO3BaTiO3 ceramics.•Attaining high TC (457 °C), large d33 (170 pC/N), and high Pr (22 μC/cm2).•Illuminating the physical mechanism for enhanced electrical properties.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2016.03.205