摘要 |
<p>A perovskite compound of the formula, (Na1/2Bi1/2)1-xMx (Ti1-yM'y)O3±z, where M is one or more of Ca, Sr, Ba, Pb, Y, La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; and M' is one or more of Zr, Hf, Sn, Ge, Mg, Zn, Al, Sc, Ga, Nb, Mo, Sb, Ta, W, Cr, Mn, Fe, Co and Ni, and 0.01<x<0.3, and 0.01<y<0,3, and z<0.1 functions as an electromechanically active material. The material may possess electrostrictive or piezoelectric characteristics.</p> |