标题:ENHANCED DIELECTRIC AND PIEZOELECTRIC PROPERTIES OF Bi5Ti3FeO15 CERAMICS BY MANGANESE DOPING
作者:Wang, Qian; Liang, Yan; Wang, Chun-ming; Wang, Chun-lei; Zhao, Ming-lei
通讯作者:Wang, CM
作者机构:[Wang, Qian; Liang, Yan; Wang, Chun-ming; Wang, Chun-lei; Zhao, Ming-lei] Shandong Univ, Sch Phys, State Key Lab Crystal Mat, Jinan 250100, Peoples R 更多
会议名称:10th Symposium on Piezoelectricity, Acoustic Waves and Device Applications (SPAWDA)
会议日期:OCT 30-NOV 02, 2015
来源:PROCEEDINGS OF THE 2015 SYMPOSIUM ON PIEZOELECTRICITY, ACOUSTIC WAVES AND DEVICE APPLICATIONS
出版年:2015
页码:70-74
关键词:Bismuth layer-structured ferroelectrics; Aurivillius type; Bi5Ti3FeO15;; Piezoelectric ceramics
摘要:Lightly manganese-modified, Aurivillius-type, Bi5Ti3FeO15 (BTF) ceramics were synthesized by substituting a small amount of manganese ions onto the Ti4+ sites using conventional solid-state reaction. The resultant manganese-modified BTF ceramics (BTF-Mn) exhibit better dielectric and piezoelectric properties by comparison with the control BTF. With only 4 mol% manganese substitution, the piezoelectric properties of the BTF-Mn ceramics are optimal, exhibiting a high piezoelectric coefficient (d(33)similar to 23 pC/N), and a low dielectric loss tan delta (similar to 0.3% at 1 kHz). The temperature-dependent dielectric spectra reveal that the BTF-Mn ceramics possess a high Curie temperature of 765 degrees C. Such BTF-Mn ceramics also exhibit nearly temperature-independent dielectric properties up to 400 degrees C, suggesting that the manganese-modified BTF ceramics are promising materials for high temperature piezoelectric applications.
收录类别:CPCI-S
资源类型:会议论文
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