Title :
Preparation and piezoelectric properties of Pb(Sc1/2Nb 1/2)3-Pb(Zn1/3Nb2/3)O3 -PbTiO3 solid solution ceramics
Author :
Ichinose, N. ; Hosono, Y. ; Yamashita, Y.
Author_Institution :
Waseda Univ., Tokyo, Japan
Abstract :
Electrical properties and crystal structures of the system Pb(Sc 1/2Nb1/2)O3Pb(Zn1/3Nb 2/3)O3-PbTiO3 are described. In this ternary system, the perovskite phase exists in the composition range of less 50 mol% of Pb(Sc1/2Nb1/2)O3. Addition of excess PbO to this system is effective for obtaining the perovskite structure. In the binary (1-x)Pb(Sc1/2Nb1/2 )O3xPb(Zn1/3Nb2/3)O3 system, the Curie temperature is decreasing with increase of x in the range of 0.3> x>O and it is increasing above x=0.3. Site preference in the perovskite structure must be considered for this nonlinear change of Tc
Keywords :
crystal structure; ferroelectric Curie temperature; ferroelectric materials; lead compounds; piezoceramics; solid solutions; PbScNbO3-PbZnNbO3-PbTiO3; crystal structure; ferroelectric Curie temperature; perovskite phase; piezoelectric properties; preparation; solid solution ceramic; ternary system; Ceramics; Dielectric constant; Dielectric losses; Dielectric measurements; Impedance measurement; Lead; Niobium compounds; Relaxor ferroelectrics; Research and development; Temperature distribution;
Conference_Titel :
Applications of Ferroelectrics, 1996. ISAF '96., Proceedings of the Tenth IEEE International Symposium on
Conference_Location :
East Brunswick, NJ
Print_ISBN :
0-7803-3355-1
DOI :
10.1109/ISAF.1996.602750
