Piezoelectric charge coefficient of halide perovskites

Raja Sekhar Muddam, Joseph Sinclair, Lethy Krishnan Jagadamma*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

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Abstract

Halide perovskites are an emerging family of piezoelectric and ferroelectric materials. These materials can exist in bulk, single-crystal, and thin-film forms. In this article, we review the piezoelectric charge coefficient (dij) of single crystals, thin films, and dimension-tuned halide perovskites based on different measurement methods. Our study finds that the (dij) coefficient of the bulk and single-crystal samples is mainly measured using the quasi-static (Berlincourt) method, though the piezoforce microscopy (PFM) method is also heavily used. In the case of thin-film samples, the (dij) coefficient is dominantly measured by the PFM technique. The reported values of dij coefficients of halide perovskites are comparable and even better in some cases compared to existing materials such as PZT and PVDF. Finally, we discuss the promising emergence of quasi-static methods for thin-film samples as well.
Original languageEnglish
Article number3083
Number of pages16
JournalMaterials
Volume17
Issue number13
DOIs
Publication statusPublished - 23 Jun 2024

Keywords

  • halide perovskite thin films
  • quasi-static measurements
  • d33 coefficient
  • halide perovskite crystals
  • 2D-perovskites

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