Energy storage and piezoelectric properties of lead‐free SrTiO3-modified 0.965Bi0.5Na0.5TiO3–0.035BaTiO3 ceramics

  • Muhammad Munir
  • , Muhammad Habib
  • , Salman Ali Khan
  • , Myong Ho Kim
  • , Soonil Lee
  • , Tae Kwon Song
  • , Abrar H. Baluch
  • , Ayse Turak*
  • , Ali Hussain*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

This manuscript reports the synthesis and piezoelectric properties of strontium titanate, SrTiO3-modified bismuth sodium titanate-barium titanate, 0.965Bi0.5Na0.5TiO3–0.035BaTiO3, (BNBT-xST, x = 0.00−0.30) ceramics produced by facile low temperature sol–gel and hydrothermal methods. Close inspection of the X-ray diffraction profile through Rietveld refinement indicates ST modification in BNBT leads to a phase transition from the dominant rhombohedral phase to a single tetragonal phase. This structural transition leads to enhancement of electromechanical and energy storage properties. A large dynamic piezoelectric coefficient (d*33 = 350 pC/V) was observed for BNBT-0.1ST sample. High energy storage density (Wrec = 0.37) and large energy storage efficiency (η = 75%) were observed at 75 °C for the BNBT-0.3ST sample. The energy storage response of the tunable ferrorelectric ceramics suggests their possible use for high-performance dielectric capacitor applications.

Original languageEnglish
Pages (from-to)10712-10725
Number of pages14
JournalJournal of Materials Science: Materials in Electronics
Volume32
Issue number8
DOIs
StatePublished - Apr 2021
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2021, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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