This book provides an overview of Aurivillius phase layer structured ferroelectrics. With a focus on in-depth classification of Aurivillius phase oxides, this book explores the relationship between the unique structure and properties of this family of compounds. The result is a cohesive account of the electrical, ferroelectric and dielectric properties of layer structured oxides that discusses their role in developing environmentally sustainable compounds. An essential reference for professionals and academics working in the field of electroceramics, electronic component manufacture, materials science and engineering, this book is also an ideal reference book for research-oriented courses at Graduate, Postgraduate and Doctoral level. Key Features: Presents a new class of ferroelectrics Provides a complete review of these materials and their future prospects Serves as the data book for industries working on various types of electronic devices by adopting the reported results of layered ferroelectrics for future potential applications Reviews environment friendly materials for their applications in the area of energy harvesting Includes case studies and end of chapter summaries