| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a PZT perovskite type oxide in which it is possible to add 5 mol% or more of a donor ion to the A site without adding a sintering aid or an acceptor ion. <P>SOLUTION: The perovskite type oxide of the present invention is represented by the formula: (Pb<SB>1-x+δ</SB>M<SB>x</SB>) (Zr<SB>y</SB>Ti<SB>1-y</SB>)O<SB>z</SB>, wherein M represents at least one kind of element selected from the group consisting of Bi and lanthanide elements, x represents a number satisfying the condition of 0.05≤x≤0.4, and y represents a number satisfying the condition of 0<y≤0.7, the standard composition being such that δ=0, and z=3, with the proviso that the value of δ and the value of z may deviate from the standard values of 0 and 3, respectively, within a range such that the perovskite structure is capable of being attained. <P>COPYRIGHT: (C)2009,JPO&INPIT |
