It is shown that the growth of the MPwill affect the film performance;the surface roughness of the film is incre sed, the adhesionforce of the film is decreased,the film density tends to be nonun.

• 基于界面能量理论，从微观的角度通过分析阴极其空电孤镀膜中，宏观颗粒（MP）到达基片后的自身发展形态与基片表面的相互影响以及与金属原子、离子之间的相互作用，揭示出MP影响薄膜性能的物理机制。