The main objective of this book is to provide the students with the opportunity to understand the practical and theoretical aspects of the by variying structural properties how electrical and magnetic properties will change. This book targets mainly on multifunctional property materials are being attracted due to its wide variety of applications in various fields of technology. The physical and chemical properties of the rare earth and transition metal oxides exhibit a variety of interesting facts due to the accommodation of different cations with one or more oxidation states in perovskite...