Lead-free piezoceramic material with copper doping, a method for producing a piezoceramic component with the material and use of the structural component

摘要

Piezoceramic material having the composition a_aCu_c.Nb_{1 - b}B_bD_dO₃, wherein– A at least one alkali metal with an alkali component a is,– c is a copper content,– B, which has a germanium polyhydric doping with a doping component b is,– D an additional doping agent with a doping component is d and the following relationships apply:a 0,c 0,d 0 and0 b 1.