Ferroelectric and Piezoelectric Response of Perovskites

Perovskite materials, with their unique properties and distinct crystal structure, have proven themselves as one of the most promising materials for various advanced technological applications. The exploration of ferroelectric and piezoelectric materials has gained significant attention in the field of condensed matter physics and materials science, and consequently, it is giving an edge to nanoengineered materials. This book chapter presents a comprehensive exploration of the ferroelectric and piezoelectric response exhibited by perovskite materials based on their crystal structure and other governing properties. The chapter begins with an introduction to perovskite structures, highlighting their crystallographic arrangement and the underlying principles governing their ferroelectric and piezoelectric behaviors. Finally, the chapter explores the diverse technological applications enabled by the unique ferroelectric and piezoelectric properties of perovskites. It discusses their utilization in sensors, actuators, energy harvesting devices, memory storage, and other emerging fields. The chapter concludes with an outlook on future directions and challenges in the field. The extensive study of the ferroelectric and piezoelectric response of perovskites will serve as a valuable resource for researchers, engineers, and students seeking to understand the underlying principles, characterization techniques, and potential applications of perovskite material.

Keywords: Bismuth ferrite, Dielectric, Energy harvesting, Ferroelectric, Ginzburg-Landau theory, Perovskite, Lead-free ceramics, Piezoelectric, Pyroelectric, Polarization, Titanates.