This book provides a comprehensive overview of the relevance of stoichiometry in the field of material engineering. It compiles various researches and reviews offering latest information regarding stoichiometry at different levels. The book covers various applications of stoichiometry, such as the role of stoichiometry in nanotechnology, defect chemistry and electrochemical applications. It also discusses intermetallic compounds and metal oxides. The book also elucidates latest methods for solid phase synthesis and the impact of stoichiometry in energy production. This book will be helpful to engineers, academicians and scientists working in the field of materials science.