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Studies on PZT–Nb modified piezoceramic materials

A. M. MOISIN1,* , A. I. DUMITRU1, E. ANDRONESCU2, C. GHITULICA2

Affiliation

  1. National R&D Institute in Electrical Engineering, 313 Splaiul Unirii, Bucharest, Romania
  2. University Politehnica, 313 Splaiul Independentei, 77206 Bucharest, Romania

Abstract

PZT with aliovalent Nb5+ substitutions in Ti4+/Zr4+ positions have been obtained through a conventional mixed oxide method. Advanced miling by using two different miling systems has been performed in order to get fine grained ceramic powder. The ceramic grains growth has been limited by choosing the optimized sintering parameters. The investigation of the distribution of the mean dimensions of the ceramic powder grains as well as their dimensional increasing after sintering by both granulometric and SEM analysis has been performed. XRD analysis and electrical parameter measurements have been performed too..

Keywords

Piezoelectric ceramics, Perovskite structure, PZT, Conventional mixed oxide method.

Submitted at: Jan. 18, 2006
Accepted at: March 23, 2006

Citation

A. M. MOISIN, A. I. DUMITRU, E. ANDRONESCU, C. GHITULICA, Studies on PZT–Nb modified piezoceramic materials, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 2, pp. 553-554 (2006)