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Low temperature sintering and properties of piezoelectric ceramics PSNT-Mn with LiBiO2 addition

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

Low temperature sintering of Pb(Sc1/2Nb1/2)O3-PbTiO3 (PSNT) piezoelectric materials was studied with the use of LiBiO2 (LBiO) as a sintering aids. The sintering aids improved the sinterability of manganese modified PSNT ceramics due to the effect of LBiO liquid phase, resulting in a reduction of the firing temperature by ∼350-400 °C. The microstructure of the sintered materials, together with the dielectric and piezoelectric properties were investigated. The 1 wt.% LBiO-added PSNT-Mn ceramics sintered at 950 °C for 2 h exhibit piezoelectric coefficient of 340 pC/N with a Curie temperature around 263 °C, the electromechanical coupling factor kp, dielectric constant K33T and mechanical quality factor Q were found to be 61.5%, 1300 and 800, respectively, demonstrating that it is a promising material for multilayer piezoelectric actuator and transformer applications. © 2006 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)131-134
JournalMaterials Science and Engineering B: Solid-State Materials for Advanced Technology
Volume129
Issue number1-3
DOIs
Publication statusPublished - 15 Apr 2006
Externally publishedYes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Funding

The work was supported by NIH under grant #P41 RR11795 and ONR.

Research Keywords

  • Low temperature sintering
  • Piezoelectric
  • PSNT
  • Sintering aids

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