Quenched bismuth ferrite-barium titanate lead-free piezoelectric ceramics

JOURNAL OF ALLOYS AND COMPOUNDS

卷:676

Article

Zheng, Ting¹  Wu, Jiagang¹ 

[1] Sichuan Univ, Dept Mat Sci, Chengdu 610064, Peoples R China

关键词: BiFeO3-BaTiO3;    Lead-free ceramics;    Quenched method;    Electrical properties;   

DOI  :  10.1016/j.jallcom.2016.03.205

来源: Elsevier

【 摘 要 】

In this work, the quenched method can effectively promote the electrical properties of bismuth ferrite-barium titanate (BiFeO3-BaTiO3, BFO-BTO) ceramics. Here we mainly focused on the modification of the quenched methods in the 0.67Bi(1.05)FeO(3)-0.33BaTiO(3) ceramics with rhombohedral-cubic phase boundary. By optimizing the preparation conditions, the ceramics possess high Curie temperature (T-C similar to 457 degrees C), large piezoelectricity (d(33)similar to 170 pC/N), and good ferroelectricity (P-r similar to 22 mu C/cm(2)). 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. (C) 2016 Elsevier B.V. All rights reserved.

【 授权许可】

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