This book on Material Science offers a comprehensive understanding of the structure and properties of materials, tailored for engineering and applied science students. Beginning with crystallography, it explores crystal structures, defects, dislocations, and phase transformations that govern material behavior. The second unit covers electrical and magnetic properties, moving from classical to quantum models, and highlighting phenomena such as band theory, exchange interactions, and modern device applications like GMR. The third unit focuses on semiconductor physics, addressing intrinsic and extrinsic semiconductors, carrier transport, Hall effect, and device principles such as Schottky diodes and ohmic contacts. Optical properties of materials are presented in the fourth unit, with topics including absorption, recombination, optoelectronic devices, LEDs, laser diodes, and advanced optical phenomena like electro-optics and plasmonics. The final unit introduces nanoelectronic devices, covering quantum confinement, resonant tunneling, single-electron phenomena, photonic crystals, spintronics, and carbon nanotube applications. With its balance of theory and applications, the book connects fundamental science with cutting-edge technologies. It provides clear derivations, illustrative examples, and practical insights to support both classroom learning and independent study. This structured approach equips readers with the knowledge needed to analyze, design, and innovate in the rapidly evolving field of materials.
About the Authors’
Dr. S. Anusha is currently working as an Assistant Professor; Physics in the Department of Freshmen Engineering, St Martin’s Engineering college, Secunderabad. She holds a PhD from Kakatiya University in the year 2024. Her research interests are Material Science, Nano materials and semiconductingthin film. She has a 4 years of experience in various reputed colleges and universities at various academic positions. She had published papers in reputed Journals and patent. She has a Reviewer of Trans Tech Publications. She has attended the FDP, National, International Conference, Workshop and seminar.
Dr. Yalagala Sandeep is an accomplished physicist and a passionate educator, currently serving as an Assistant Professor of Physics in the Department of Freshmen Engineering at St. Martin’s Engineering College, Telangana, India. His academic journey has been marked by a relentless pursuit of knowledge, culminating in a Ph.D. in Physics from Osmania University, Hyderabad, Telangana, India in 2023. His research has significantly contributed to the scientific community, with over 10 research articles published in prestigious SCI-indexed journals like Springer and Elsevier, garnering high citations and recognition among his peers. Dr. Sandeep’s dedication to advancing scientific knowledge extends beyond his doctoral research. Even after earning his Ph.D., he continued exploring new frontiers in physics while simultaneously stepping into the world of academia, imparting his broad expertise to the next generation of learners. His contributions to physics research and education reflect his unwavering commitment to fostering innovation and critical thinking. Beyond his academic achievements, Dr. Sandeep is a Life Member of the Materials Research Society of India, solidifying his connection to the broader scientific community. His research and teaching experience, spanning two years, reflect a balance between theoretical exploration and practical application. Through his work, he inspires students and researchers alike to push boundaries and embrace curiosity in scientific discovery. As an educator and researcher, Dr. Yalagala Sandeep remains dedicated to shaping minds and expanding the horizons of physics, creating a lasting impact on both academia and the scientific world.
