利索-全球专利检索

  1. 登录
  2. 注册
发明授权
CN101552317B 压电材料及压电元件 有权

压电材料及压电元件
摘要：
本发明提供一种特性良好的非铅系压电材料。尤其是能够提高以Bi(Fe、Mn)O3及Ba(Zr、Ti)O3为基础的压电材料的特性。本发明的压电元件的特征在于，具有：第一电极(6)、配置于所述第一电极上的压电体膜(9)、配置于所述压电体膜上的第二电极(11)，其中，构成所述压电体膜的压电材料为由Bi(Fe、Mn)O3和Ba(Zr、Ti)O3的混合晶构成的压电材料，并由组成式(1-x)Bi(Fei-yMny)O3-xBa(ZruTi1-u)O3表示，且0＜x＜0.40、0.01＜y＜0.1及0≤u＜0.16。根据这样的构成，能够维持Bi(Fe1-yMny)O3的自发极化量及高居里温度，通过Ba(ZruTi1-u)O3能够实现压电特性的提高。
摘要（英）：

The invention provides a non-lead piezoelectric material having improved characteristics, especially for improving the characteristics of a piezoelectric material based on Bi(Fe, Mn)O3 and Ba(Zr, Ti)O3. The piezoelectric element of the invention is characterized by having: a first electrode (6), a piezoelectric film (9) configured on the first electrode, and a second electrode (11) configured on the piezoelectric film, wherein the piezoelectric material formed the piezoelectric film is made of a mixed crystal of Bi(Fe, Mn)O3 and Ba(Zr, Ti)O3 and is expressed by a composition formula of (1-x)Bi(Fe1-yMny)O3-xBa(ZruTi1-u)O3 with conditions of 0

公开/授权文献
0/0