Influence of Cu doping-induced tribochemical reactions on the interfacial structure and tribological performance of a-C:H films in methane

Key Points

• Tribological performance improves with cu doping in a-C:H films, showing significant enhancements in wear resistance.
• The study reports specific tribochemical reactions noted in the interfacial structure of the films.
• Observational analysis of a-C:H films reveals the impact of cu doping on their surface characteristics and performance.
• Findings suggest cu doping may lead to better lubrication and durability, enhancing applicability in various technologies.