Dielectric and piezoelectric properties of neodymium oxide doped lead zirconate titanate ceramics

被引：21
作者：
Singh, J
Soni, NC
Srivastava, SL
机构：
[1] Natl Phys Lab, Electroceram Ultrason Grp, New Delhi 110012, India
[2] Univ Allahabad, Dept Phys, Allahabad 211002, Uttar Pradesh, India
[3] Univ Allahabad, MN Saha Ctr Space Studies, Allahabad 211002, Uttar Pradesh, India
来源：
BULLETIN OF MATERIALS SCIENCE | 2003年 / 26卷 / 04期
关键词：
Nd doped lead zirconate titanate; piezoelectric properties; ferroelectric materials; electromechanical parameters; vector impedance measurements;
D O I：
10.1007/BF02711183
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The dielectric and electromechanical properties of lead zirconate titanate [Pb(Zr, Ti)O-3] ceramic added with neodymium oxide have been systematically studied employing the vector impedance spectroscopic (VIS) technique. The specimens were prepared using the mixed oxide route by adding different mol% of Nd2O3 (0.1 to 7 mol%) in [Pb(Zr, Ti)O-3] near morphotropic phase boundary. Piezoelectric equivalent circuit parameters R, L, C-a in series and C-b in parallel have been determined by simulating \Z\ and Theta plots. Electromechanical coupling coefficients and strain constants for the radial modes show a peak at about 3 mol%, the dielectric constant peaks at about 1 mol% and voltage constants peak at about 0.75 mol% of Nd2O3.
引用
收藏
页码：397 / 399
页数：3
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