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Due to the structural and functional flexibility and complexity of ferroelectrics, the fundamental science and applications of this material family is continuously evolving. This reference text covers the most significant advances in the field of ferroelectrics over the past decade. The fundamental aspects describe studies based on first-principles calculations, multiscale simulation and ferroelectric models adapted from ferromagnetic counterparts. The experimental aspects describe advanced ferroelectric ceramics made from band-gap-engineered compositions pioneered in emerging multi-sensing and energy harvesting applications, topological defects in ferroelectrics for nanoelectronics, and the emergence of ferroelectricity in halide perovskites. The book links fundamental science to experiments and applications, which is urgently needed by ferroelectrics researchers who must gain knowledge in both aspects. Readers will uncover the latest verified research results and conclusions reached by well-known, pioneering and leading scientists in each of the topics.Key Features Covers the most significant new developments in ferroelectrics research, including fundamental studies and emerging applicationsLinks fundamental aspects such as modelling with practical aspects such as microstructure and applications, providing a holistic view that is increasingly needed as ferroelectrics research moves towards simulation-guided experimental validationsIncludes case studies, worked examples and end-of-chapter summariesDiscusses applications including the use of ferroelectric materials in multi-sensing and energy harvesting applications, nanoelectronics, advanced electronics and halide perovskites