Fig. 1

Initial configuration of the ice-water-silica-gas coexisted system, with different sizes: (a) siw3; (b) siw4; (c) siw5; (d) schematic diagram of film water at AW and SW interfaces; red particle represents oxygen atom, white particle represents hydrogen atom, and yellow particle represents silicon atom. The visualization was generated by Visual Molecular Dynamics (VMD) software49.