This book is intended as reference book for students of Science and Engineering. It deals with the I semester of B.Tech. Program of Rajasthan Technical University, Kota and other various Technical University. Fundamentals of Material Science are explained in a very simple and straightforward manner. Also, Many solved and unsolved practice problems are given to understand the contents. The topics covered mainly are bonding in solids; band theory of solids; semicondustors and their conductivity; energy band gap determination and dependence on temperature; X-ray diffraction and Bragg's Law; Hall Effect and its applications.

Dr. Gunjan Arora is Associate Professor and HOD, Department of Physics in Geetanjali Institute of Technical Studies, Dabok, Udaipur. She has about 11 years of teaching and 9 years of research experience. She is M.Sc. (Gold Medalist) from Mohan Lal Sukhadia University , Udaipur. She has qualified the CSIR- NET examination and is life time member od Indian Society for Radiation Physics (ISRP). She has done her Ph.D. under the guidance of Prof.B.L. Ahuja, Head, Department of Physics, MLSU and has 28 research papers published in various international journals , international and national conference and symposiums and 5 books published.