A new poling protocol for enhanced piezoelectricity in Bi0.5Na0.5TiO3

Mukesh Kumari; Ratnamala Chatterjee

A new poling protocol for enhanced piezoelectricity in Bi0.5Na0.5TiO3

Materials Science 2022-06-07 v1

Authors: Mukesh Kumari , Ratnamala Chatterjee

Abstract

In this work, a way to improve the piezoelectric properties of Bi0.5Na0.5TiO3 (BNT) is demonstrated by introducing a new poling protocol. A customized corona poling unit with a low temperature (77 K) sample stage is suggested. Using this protocol, the BNT sample is quenched from its paraelectric phase (T = 350{\deg}C) directly to its ferroelectric phase under corona discharge. Sample poled under this protocol showed an immense improvement (~38% increase) in the piezoelectric coefficient (d33) and 20% increase in the maximum unipolar piezoelectric strain (Smax).

Keywords

bi0.5na0.5tio3 poling protocol corona poling piezoelectricity ferroelectric phase

Cite

@article{arxiv.2206.02135,
  title  = {A new poling protocol for enhanced piezoelectricity in Bi0.5Na0.5TiO3},
  author = {Mukesh Kumari and Ratnamala Chatterjee},
  journal= {arXiv preprint arXiv:2206.02135},
  year   = {2022}
}

Comments

10 page, 5 figures

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