Control of amorphous solid water morphology using molecular beams. II. Ballistic deposition simulations
- 22 March 2001
- journal article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 114 (12), 5295-5303
- https://doi.org/10.1063/1.1350581
Abstract
Ballistic deposition simulations of thin film growth were performed. The results of the simulations are compared to experiments of N2 adsorption by porous amorphous solid water thin films. The simulations are in qualitative agreement with the experimental observations: The porosity of the thin films is controlled by using a collimated beam to vapor deposit the films. Films with normal or near normal growth angles (θ∼0°) are relatively dense and smooth. Films with larger growth angles are highly porous and the average pore size increases as the growth angle increases. The simulations indicate that for growth angles greater than ∼70°, adsorption into the largest pores is not possible leading to the experimentally observed maximum in N2 adsorption by porous amorphous solid water at θ=70°.This publication has 15 references indexed in Scilit:
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