Strong piezoelectricity exhibited by large-grained BaTiO3 ceramics
Strong piezoelectricity exhibited by large-grained BaTiO3 ceramics
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大晶粒BaTiO3陶瓷表现出强压电性
DOI：
10.1063/1.4881597
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发表时间：
2014-06
期刊：
影响因子：
--
通讯作者：
C. L. Wang
中科院分区：
文献类型：
--
作者：
Y. Q. Wu,;X. Zhao;Y. Q. Tan;C. L. Wang
从科学和技术的角度理解BaTiO3陶瓷的强压电机理是非常重要的。本文报道了用热压烧结水热合成的BaTiO3细粉制备的一组平均晶粒尺寸在5.1 ~ 16.3 μm的大晶粒致密BaTiO3陶瓷中观察到一种不同寻常的压电现象。其中，平均晶粒尺寸为5.6 μm的BaTiO3陶瓷在室温下的压电常数d33 = 485 pC/N和d33* = 725 pm/V，在8.5℃左右的峰值d33值为574 pC/N，表现出特别突出的压电性。进一步研究了该陶瓷的畴型和极化与电场（P-E）环，并与采用固相反应法制备的传统烧结BaTiO3陶瓷进行了比较。研究表明，它具有晶粒内部简单的平行条纹和方形条纹的畴型。
A good understanding of the strong piezoelectric mechanism of BaTiO3 ceramics is very important from both scientific and technological viewpoints. This Letter reports an unusual piezoelectric phenomenon observed in a group of large-grained dense BaTiO3 ceramics with average grain sizes ranging from 5.1 to 16.3 μm, which are prepared with a hydrothermally synthesized BaTiO3 fine powder by hot-press sintering. Among these BaTiO3 ceramics, the one possessing an average grain size of 5.6 μm exhibits a particularly prominent piezoelectricity with piezoelectric constants d33 = 485 pC/N and d33* = 725 pm/V at room temperature and a peak d33 value of 574 pC/N around 8.5 °C. This ceramic is further investigated from the aspects of domain patterns and polarization versus electric field (P-E) loops and compared with a conventionally sintered BaTiO3 ceramic prepared using a solid-state reaction method. The investigation shows that it has the domain patterns of simple parallel stripes inside the grains and the square-...
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影响因子：
3.2
作者：
Park, SE;Shrout, TR
通讯作者：
Shrout, TR
DOI：
10.1016/j.jeurceramsoc.2011.11.014
发表时间：
2012-05-01
影响因子：
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通讯作者：
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DOI：
10.1111/j.1151-2916.1999.tb01840.x
发表时间：
1999-04-01
影响因子：
3.9
作者：
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通讯作者：
Haertling, GH
DOI：
10.1143/jjap.46.7035
发表时间：
2007-10-01
期刊：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS
影响因子：
--
作者：
Karaki, Tomoaki;Yan, Kang;Adachi, Masatoshi
通讯作者：
Adachi, Masatoshi
DOI：
10.1143/jjap.45.l30
发表时间：
2006-01-01
期刊：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS
影响因子：
--
作者：
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通讯作者：
Tsurekawa, S