Nanotechnology refers to the study of manipulating materials on a molecular and atomic scale. This field deals with particles sized between 1 and 100 nanometers, and its unique properties make it applicable in almost all areas. The wide range of applications in nanotechnology highlights its significance in our daily lives. Nanoscience and technology offer innovative solutions to critical issues, benefiting humanity. As such, it is crucial for students, research scholars, and scientists to understand the fundamentals of nano science and technology. The properties of nanomaterials play a vital role in determining their proper application in various fields of science and technology. This book aims to provide students with a comprehensive understanding of the basic principles of nano science and technology to help them prepare for future advancements.