Issue 2, 2022

High Curie temperature bismuth-based piezo-/ferroelectric single crystals of complex perovskite structure: recent progress and perspectives

Abstract

Piezo-/ferroelectrics are essential materials for electromechanical sensors and actuators and energy harvesters in a wide range of technological applications. The demand for piezo-/ferroelectric materials with high Curie temperature (TC) arises from numerous emerging applications such as downhole oil and gas explorations, automobiles, petrochemistry, metallurgy, and nuclear energy and aerospace industries, in which the electromechanical devices have to operate at elevated temperatures. However, it is a long-standing challenge to simultaneously obtain high piezoelectricity and high TC. Recently, significant progress has been made on bismuth-based piezo-/ferroelectric single crystals (BPSCs) which show excellent piezoelectric performance and high TC, proving to be a promising family of novel materials for high-temperature electromechanical applications. In this highlight, we review the recent progress in BPSCs with focus on materials design, crystal growth, physical properties, crystal chemistry, and complex domain structures. In addition, the future perspectives of BPSCs are discussed.

Graphical abstract: High Curie temperature bismuth-based piezo-/ferroelectric single crystals of complex perovskite structure: recent progress and perspectives

Article information

Article type
Highlight
Submitted
23 7 2021
Accepted
13 10 2021
First published
13 10 2021

CrystEngComm, 2022,24, 220-230

Author version available

High Curie temperature bismuth-based piezo-/ferroelectric single crystals of complex perovskite structure: recent progress and perspectives

Z. Liu, H. Wu, J. Zhuang, G. Niu, N. Zhang, W. Ren and Z. Ye, CrystEngComm, 2022, 24, 220 DOI: 10.1039/D1CE00962A

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