C213 Effects of Slit Structures at Nanometer Scale on Molecular Adsorption and Accommodation Coefficient at a Solid-Vapor Interface

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  • C213 スリット状ナノ構造が分子吸着及び固気界面における適応係数に及ぼす影響(OS-13:分子シミュレーション(1))

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Molecular dynamics simulations are conducted to investigate an influence of nanometer scale slit structures on molecular adsorption to a solid surface. Also, we investigate an effect of the molecular adsorption on the accommodation coefficient at a solid-vapor interface by changing interaction potential parameters between solid and fluid, clearance and height of the structures. Our simulation results show that, both an adsorption amount and the momentum accommodation coefficient (MAC) vary depending on the slit structure geometry and an intensity of the interaction potential parameter between the solid and the fluid. Moreover, it is found that there is a positive correlation between the adsorption amount and the MAC.

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