This book comprises the selected peer-reviewed papers presented at the 8th International Materials Science Conference HighMatTech-2023, Kyiv, Ukraine, held on October 2-6, 2023. This edition is dedicated to the latest research in the development and application of metals and alloys, ceramics and composite materials, low-dimensional and nanomaterials, films, and coatings. This collection will be useful to researchers and engineers in materials science.