Nanophysics: Principles and Applications offers an in-depth exploration of field. With detailed chapters, real-world examples, critical equations, and discussions bridging pure physics with engineering contexts, this book facilitates understanding of complex nanoscale phenomena. Nuclear and particle physics explore fundamental building blocks of matter and forces governing interactions. Content covers nanoparticle synthesis, quantum size effects, nanophotonics, nanoelectronics, and nanomechanics. Readers examine carbon nanomaterials, semiconductor nanostructures, magnetic nanoparticles, and biomolecular nanoscience. Key topics include electron transport, optical properties, surface effects, and self-assembly phenomena. The text addresses nanofabrication techniques, characterization methods, and applications in electronics, photonics, energy, and medicine. Through comprehensive treatment bridging physics principles with technological applications, the material develops understanding of nanophysics enabling nanotechnology innovations. This essential resource serves physics students, materials scientists, and engineers working in nanotechnology fields. The book provides both fundamental nanophysics concepts and practical applications preparing readers for careers in emerging nanotechnology industries and research.