Semiconductors are materials that exhibit electrical conductivity and possess unique properties such as sensitivity to heat and light, unidirectional current flow, variable resistance, light emission, and the ability to convert thermal energy. Common examples of semiconductor materials include germanium, silicon carbide, organic compounds, gallium arsenide, and silicon. This book presents the complex subject of semiconductors in the most comprehensible and easy to understand language. Some of the diverse topics covered in this book address the varied branches that fall under this category. This book, with its detailed analyses and data, will prove immensely beneficial to professionals and students involved in this area at various levels.