Phase diagram for the 0.4Pb(Ni-1/3,Nb-1/3)O-3-0.6Pb(Zr,Ti)O-3 solid solution in the vicinity of a morphotropic phase boundary

A phase diagram based on dielectric-permittivity-versus-temperature measurements and high-temperature X-ray diffractometry was proposed for 0.4Pb(Ni-1/3,Nb-1/3) O-3-xPbZrO(3)-(0.6-x)PbTiO3, (0.2 less than or equal to x less than or equal to 0.32) relaxor-ferroelectric solid solution, and a morphotropic phase boundary that sharply bends toward zirconium-rich compositions was found. A spontaneous normal-to-relaxer ferroelectric transition was also observed when heating was performed for all the compositions tested near the morphotropic phase boundary. Additional considerations about previously published phase diagrams for Pb(Zn-1/3,Nb-2/3)O-3-PbTiO3 and Pb(Mg-1/3,Nb-1/3)O-3-PbTiO3 might lead to an extension of the presented diagram to these compositions.


Published in:
Journal of the American Ceramic Society, 81, 3, 749-753
Year:
1998
ISSN:
0002-7820
Keywords:
Note:
Robert, G Swiss Fed Inst Technol, EPFL, Lab Ceram, Dept Mat Sci, CH-1015 Lausanne, Switzerland Swiss Fed Inst Technol, EPFL, Lab Ceram, Dept Mat Sci, CH-1015 Lausanne, Switzerland
Zc554
Times Cited:20
Cited References Count:19
Laboratories:




 Record created 2006-08-21, last modified 2018-03-17


Rate this document:

Rate this document:
1
2
3
 
(Not yet reviewed)