This book discusses issues of physics, materials science and new materials that are being developed by scientists from different countries of world. The IV International Scientific and Practical Symposium "Materials Science and Physics" were held on December 23?25, 2024. The symposium covered issues of physics, materials science and new materials. A distinctive feature of the conference is that it featured presentations by authors from the Peoples Republic of China, the Sultanate of Oman, the Republic of Azerbaijan, the Russian Federation and the Republic of Uzbekistan. The symposium allowed all participants to exchange experiences and gain new knowledge. The results of the symposium is useful for state and regional authorities for the development of industry and new areas of activity, international and supranational organizations, the scientific and professional community.