| 摘要 |
<p>A piezoelectric ceramic material has the general formula: P1-c-dDcZd(PbO)w where: 0<c≰0.025; 0≰d≰0.05; 0≰w≰0.05; where P stands for a compound having the formula [Pb1-vAgIv][(Zr1-yTiy)1-uCuIIu]O3, where 0.50≰1−y≰0.60; 0<u≰0.0495; 0≰v≰0.02, and D stands for a component of the general formula [(M1O)1-p(M2O)p]a[Nb2O5]1-a, where M1 stands for Ba1-tSrt, where 0≰t≰1, M2 stands for Sr and/or Ca, and 0<p<1 and⅔<a<1 and Z stands for a compound of the general formula: Pb(L1Rr)O3 where L is present in the oxidation state II or III, and R is present in the oxidation state VI or V, and: LII is selected from among Fe, Mg, Co, Ni and Cu in combination with RVI=W, where 1=½ and r=½, or LIII is selected from among Fe, Cr and Ga in combination with RV=Nb, Ta or Sb, where 1=½ and r=½, or LIII is selected from among Fe, Cr and Ga in combination with RVI=W, where 1=⅔and r=⅓.</p> |
