The Physics and Chemistry of Solids . Point defects in ion crystals”, written by the team of authors, is a unique and in-depth study devoted to one of the most pressing topics in the field of materials science and solid state physics. This publication will become an indispensable source of knowledge for students, graduate students and professionals working in the field of physics, chemistry and materials engineering. This book examines point defects in ionic crystalskey elements that significantly affect the physical and chemical properties of materials. The authors analyze in detail the mechanisms of formation of these defects, their influence on the structure and properties of crystals, as well as their role in various technological processes. The reader will be able to learn how point defects can change the electrical, optical and mechanical characteristics of materials, which is important for the development of new technologies and the improvement of existing ones. The book will be of interest not only to specialists in the field of physics and chemistry, but also to those who are fond of materials and their properties. Students studying physics, chemistry, materials science or engineering will find useful information in it that will help them better understand the complex processes occurring in a solid body. This publication will also be an excellent guide for researchers working in the field of nanotechnology, semiconductors and other high-tech materials. The topics raised in the book cover a wide range of issues, including the thermodynamics of defects, their statistics and dynamics, and the influence of external factors on their behavior. The authors emphasize the importance of point defects for understanding diffusion processes, crystal growth and other phenomena that are key in modern materials sciences. This makes the book particularly relevant in light of the growing interest in developing new materials with specified properties. The style of presentation of the authors is clear and logical, which allows readers to easily assimilate complex concepts. Each chapter of the book contains extensive examples and illustrations that help to visualize and better understand the topics discussed. This makes reading not only informative, but also fascinating. The team of authors working on this book consists of recognized experts in solid state physics and chemistry, which gives the work added value. Their previous research and publications in this field have already gained recognition in the scientific community, and this publication continues their traditions, offering readers relevant and in-depth knowledge. If you are looking for a book that will help you immerse yourself in the world of solid state physics and chemistry, as well as understand how point defects affect the properties of materials, then "Physics and chemistry of solid state. Point defects in ion crystals” will be your reliable companion in this fascinating journey Do not miss the opportunity to expand your knowledge and discover new horizons in the science of materials!