Solid solution enhanced electrostriction in the YSZ-GDC system

Veronica Chierchia, Haiwu Zhang, Mauro Bortolotti, Andrea Chiappini, Gian D. Sorarù, Vincenzo Esposito, Mattia Biesuz*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

Giant electrostrictors based on oxygen deficient fluorites are of great technological and scientific interest due to their unusual electromechanical properties. It is, however, still not clear whether solid solutions between different fluorites can affect the electrostrictive properties.In this work, we investigated the electromechanical response of four different solutions of 10 mol% gadolinium-doped ceria (GDC10) and 8mol% yttria-stabilized zirconia (8YSZ), corresponding to 1, 5, 10 and 20 wt% of 8YSZ into GDC10. An increase in the electrostriction coefficient with the 8YSZ content (maximum between 10 and 20 wt%) was registered. This effect suggests that the development of complex solid solutions could represent a new tool to develop electromechanical materials with superior properties.
Original languageEnglish
Article number100206
JournalOpen Ceramics
Volume9
Number of pages5
ISSN2666-5395
DOIs
Publication statusPublished - 2022

Keywords

  • Electrostriction
  • YSZ
  • GDC
  • Solid solution
  • Fluorite
  • Electromechanics

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