Energy relaxation in impurity metals, a two-dimensional electron gas in Al. GaAs/Ga. As, NbN superconducting films, etc. » Authors Chulkova G. M. , Korneeva A. A. , Smirnova K. In. and others is a unique study that immerses the reader in the world of solid state physics and materials science. This publication will be of particular interest to those seeking to deepen their knowledge in physics, nanotechnology, and materials science, as well as to undergraduate and graduate students engaged in relevant disciplines. The book covers a wide range of topics related to energy relaxation in various materials. The authors examine in detail the processes occurring in impurity metals, such as copper and aluminum, as well as in a two-dimensional electron gas formed in heterostructures based on Al.. GaAs and Ga. As. These materials play a key role in modern semiconductor devices and nanoelectronics, and understanding their properties is important for the development of new technologies. One of the central themes of the book is the study of superconducting films, particularly NbN. Superconductivity is a phenomenon that attracts the attention of scientists and engineers due to its unique properties that allow you to create devices with zero resistance. The authors investigate the mechanisms of energy relaxation in these films, which can lead to new discoveries in the field of quantum technologies and the creation of more efficient electronic devices. The book is written in accessible language, which makes it suitable not only for professionals, but also for a wide audience interested in physics and its applications. Readers interested in science will find in it a lot of useful information that will help to better understand complex physical phenomena. In addition, the work includes extensive references to current research and publications, making it a valuable resource for those who want to deepen their knowledge and follow current trends in solid state physics. The style of the authors is distinguished by clarity and logical presentation, which makes it easy to perceive even the most complex concepts. Chulkov G. M. , Korneev A. A. and Smirnov K. In. are experienced researchers whose work has already been recognized in the scientific community Their previous publications cover a wide range of topics, from theoretical foundations to practical applications in the field of materials science, which adds additional value to this book. This book will be an excellent addition to the library of any physicist, engineer or student seeking to understand the intricacies of modern materials and their application in high technology. It may also be of interest to those working in the development of new materials for electronics and energy, as well as those interested in fundamental aspects of physics. If you are looking for information on how energy relaxation affects the properties of materials, or want to learn more about current trends in nanotechnology, this book will be an indispensable source of knowledge for you. Do not miss the opportunity to immerse yourself in the fascinating world of physics and materials science together with "Energy relaxation in impurity metals, two-dimensional electron gas in Al. GaAs/Ga. As, NbN superconducting films, etc..