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学科主题: Materials Science
题名: Textured Ca-0.85(Li,Ce)(0.15)Bi4Ti4O15 ceramics for high temperature piezoelectric applications
作者: Chen Huanbei; Shen Bo; Xu Jinbao; Zhai Jiwei
关键词: Ceramics ; Electron microscopy ; X-ray diffraction ; Piezoelectricity
刊名: Materials Research Bulletin
发表日期: 2012
DOI: 10.1016/j.materresbull.2012.05.009
卷: 47, 期:9, 页:2530-2534
收录类别: SCI
摘要: Aurivillius-type bismuth layer-structured ferroelectrics are high Curie temperature ferroelectrics material and a promising candidate for high-temperature piezoelectric applications. However, the extremely low piezoelectric properties of Aurivillius-type bismuth layer-structured ferroelectrics hinder their application. The current study focuses on the CaBi4Ti4O15 lead-free piezoelectric ceramics with high piezoelectric properties and thermal stability. In order to improve the piezoelectric properties of CaBi4Ti4O15 lead-free ceramics, the combining method of Li-Ce co-doped and textured was applied in this study. Highly textured Ca0.85(Li,Ce) 0.15Bi4Ti4O15 ceramics with single phase and 86.5% Lotgering factor were obtained by templated grain growth method. The textured ceramic has a higher piezoelectric constant (d33 = 27 pC/N) compared with conventional solid-state sintering CaBi4Ti 4O15ceramics (d33 = 5 pC/N). Furthermore, it has excellent resistance to depolarization property and it keep about 5.5% kp until the temperature up to 500°C.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/1396
Appears in Collections:材料物理与化学研究室_期刊论文

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作者单位: Tongji Univ, Funct Mat Res Lab, Shanghai 200092, Peoples R China;Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China

Recommended Citation:
Chen Huanbei,Shen Bo,Xu Jinbao,et al. Textured Ca-0.85(Li,Ce)(0.15)Bi4Ti4O15 ceramics for high temperature piezoelectric applications[J]. Materials Research Bulletin,2012,47(9):2530-2534.
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文件名: Textured Ca-0.85(Li,Ce)(0.15)Bi4Ti4O15 ceramics for high temperature piezoelectric applications.pdf
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