Dielectric properties of ceramic samples of Sr1-xPbxTiO3 solid solutio
ns far x varying from 0 to 0.3 have been studied. The ferroelectric ph
ase transition in this system has been established to persist down to
x=0.005. Within the x values of 0.002 to 0.05, the ferroelectric trans
ition temperature is shown to follow the relation T-c=A(x-x(c))(1/2),
with A=440 K and x(c)=0.002. (C) 1997 American Institute of Physics.