Mn-doping effect on dielectric and electromechanical losses in the system Pb(Zr x Ti1-x )O3-Pb(Zn1/3Nb 2/3)O3

Rashed A. Islam, Shashank Priya, Ahmed Amin

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Abstract

Dielectric and electromechanical losses play a critical role in the performance of the transducer in high power conditions. In this study, we report a systematic study on the effect of Mn-doping on the losses in the Pb(Zr x Ti1-x )O3-Pb(Zn1/3Nb 2/3)O3 (PZT-PZN) system. Two types of sintering conditions were employed to synthesize ceramics with varying grain sizes. The Zr/Ti ratio in the PZT system was fixed at 52/48 corresponding to morphotropic phase boundary (MPB) and Mn concentration was varied from 0 to 0.9 wt%. The results show that the composition 0.9PZT-0.1PZN + 0.5 wt% Mn provides optimized magnitude for the dielectric, piezoelectric, and loss properties.

Original languageEnglish (US)
Pages (from-to)10052-10057
Number of pages6
JournalJournal of Materials Science
Volume42
Issue number24
DOIs
StatePublished - Dec 1 2007

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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