TY - JOUR
T1 - Electromechanical properties of piezoelectric ceramics in the PLZT-PZN system
AU - Nomura, Shoichiro
AU - Kaneta, Kumiko
AU - Kuwata, Jun
AU - Uchino, Kenji
PY - 1981/1
Y1 - 1981/1
N2 - Piezoelectric ceramics with the chemical formula Pb1-xLax[(Zr1-yTiy)1-z(Zn1/3Nb2/3)z]1-x/4O3 (x=0.01–0.06, y=0.3–0.6, z=0.1), which are solid solutions composed of PLZT and PZN (Pb(Zn1/3Nb2/3)O3), have been prepared by hot-pressing at 1150°C, and the dielectric and electromechanical properties have been measured. In these materials the rhombohedral-tetragonal morphotropic phase boundary is located in the range of y=0.40–0.43, where the electromechanical coupling factor k33 exceeds 70%. The keff coupling factor for the thickness mode of a plank-shaped bar also reaches nearly as high as 70% in this range. There exists a proportionality between the dielectric and the mechanical losses in the Mn-doped ceramics.
AB - Piezoelectric ceramics with the chemical formula Pb1-xLax[(Zr1-yTiy)1-z(Zn1/3Nb2/3)z]1-x/4O3 (x=0.01–0.06, y=0.3–0.6, z=0.1), which are solid solutions composed of PLZT and PZN (Pb(Zn1/3Nb2/3)O3), have been prepared by hot-pressing at 1150°C, and the dielectric and electromechanical properties have been measured. In these materials the rhombohedral-tetragonal morphotropic phase boundary is located in the range of y=0.40–0.43, where the electromechanical coupling factor k33 exceeds 70%. The keff coupling factor for the thickness mode of a plank-shaped bar also reaches nearly as high as 70% in this range. There exists a proportionality between the dielectric and the mechanical losses in the Mn-doped ceramics.
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U2 - 10.7567/JJAPS.20S4.179
DO - 10.7567/JJAPS.20S4.179
M3 - Article
AN - SCOPUS:84957122962
SN - 0021-4922
VL - 20
SP - 179
EP - 182
JO - Japanese Journal of Applied Physics
JF - Japanese Journal of Applied Physics
ER -