Research Progress and Prospect of Functional Thin Films & Hard Protective Coatings

This Reprint explores the critical role of functional thin films and hard protective coatings in modern industrial and technological advancement. As materials science moves toward higher durability and specialized functionality, the research presented here highlights innovative strategies for enhancing surface properties across diverse environments. The collection focuses on the synergy between advanced synthesis techniques and material performance. It covers a broad spectrum of research, from fundamental studies on deposition mechanisms to the implementation of coatings in high-stakes fields like aerospace and electronics. Key areas of focus include the following: Synthesis and Deposition: Developments in PVD, CVD, plasma electrolytic oxidation, and additive manufacturing.Specialized Material Systems: High-entropy alloys, diamond-like carbon, and nanostructured composites.Optoelectronic Functionality: Transparent conducting oxides and thin films designed for UV and infrared detection.Protective Performance: Solutions for extreme wear, corrosion, and thermal protection.Future Frontiers: The integration of computational modeling for predictive design and the application of coatings in AI and machine learning hardware.