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Technological methods of increasing the Curie point of PZT piezoceramic phase

Abstract

Technological methods of increasing the Curie point of PZT piezoceramic phase

Nesterov A.A., Panich A.E., Svirskaya S.N., Panich A.A., Marakhovskiy M.A.

It was investigated the influence several additives and process parameters on the properties of piezoelectric ceramics based on PZT phase systems. It was shown that the use of the substitution of Pb2+ ions on the Bi3+, and Ti4+ ions, and Zr4+ to Fe3+ and Mn4+, as well as the method of "chemical assembly «allows to obtain increase the Curie temperature of ceramic samples of 50 - 170°C. The theoretical aspects of this area of research have been discussed in this article.

Keywords: ferroelectric phase, Curie temperature, ceramics, precursors, perovskite, a solid-state method, a method of «chemical assemblage