Structure, dielectric properties and temperature stability of BaTiO 3-Bi(Mg1/2Ti1/2)O3 perovskite solid solutions

Bo Xiong, Hua Hao, Shujun Zhang, Hanxing Liu, Minghe Cao

Research output: Contribution to journalArticle

111 Scopus citations

Abstract

(1-x)BaTiO3-xBi(Mg1/2Ti1/2)O3 [(1-x)BT-xBMT] polycrystalline ceramics were obtained via solid-state processing techniques. The solubility limit for (1-x)BT-xBMT was determined to be about x=0.07. A systematic structural change from the ferroelectric tetragonal phase to pseudocubic phase was observed at about x≥0.05 at room temperature. Dielectric measurements revealed a gradual change from normal ferroelectric of pure BaTiO3 to highly dispersive relaxor-like characteristics in the solid solution with 30-60 mol% Bi(Mg1/2Ti1/2)O 3, showing low-temperature coefficients of capacitance over a wide temperature range. The properties of Nb2O5-doped 0.85BT-0.15BMT ceramics were investigated to better understand the formation mechanism of core-shell structure, for further improving the temperature stability of the dielectric behavior.

Original languageEnglish (US)
Pages (from-to)3412-3417
Number of pages6
JournalJournal of the American Ceramic Society
Volume94
Issue number10
DOIs
StatePublished - Oct 1 2011

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Fingerprint Dive into the research topics of 'Structure, dielectric properties and temperature stability of BaTiO <sub>3</sub>-Bi(Mg<sub>1/2</sub>Ti<sub>1/2</sub>)O<sub>3</sub> perovskite solid solutions'. Together they form a unique fingerprint.

  • Cite this