Effects of substitution in A- and B-site cations of Bi0.5Na0.5TiO3

A. Herabut, Ahmad Safari

Research output: Contribution to conferencePaperpeer-review

9 Scopus citations

Abstract

Bismuth sodium titanate (Bi0.5Na0.5TiO3), BNT, with a small amount of additives including La, Sm, Nd, and Nb were prepared by a conventional mixed oxide method. Powders of all compositions were calcined at 800 °C for 2 hrs to form a pure perovskite phase. All specimens were sintered at 1150 °C for 2 hrs to achieve at least 95% theoretical densities. Samples of the BNT with La modification exhibited a dielectric permittivity of 515, electromechanical coupling factors kt of 45% and kp of 13%, and a piezoelectric charge coefficient d33 of 100. The properties of the La-modified BNT suggest that these compositions are potential candidates for hydrophone applications.

Original languageEnglish (US)
Pages775-778
Number of pages4
StatePublished - Dec 1 1996
EventProceedings of the 1996 10th IEEE International Symposium on Applications of Ferroelectrics, ISAF. Part 1 (of 2) - East Brunswick, NJ, USA
Duration: Aug 18 1996Aug 21 1996

Other

OtherProceedings of the 1996 10th IEEE International Symposium on Applications of Ferroelectrics, ISAF. Part 1 (of 2)
CityEast Brunswick, NJ, USA
Period8/18/968/21/96

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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