6. Transition from two-dimensional to three-dimensional state. Anchoring
6.1 Full anchorage. Incomplete anchorage
In physisorption, the term "wetting" is commonly used to describe the way in which an adsorbate changes from a two-dimensional 2D state to a three-dimensional 3D state.
When the pressure p of the gas in equilibrium with the film is gradually increased, the adsorbate eventually condenses into its 3D state under the saturating vapour pressure p 0 , if this can be achieved. In the case of a monocrystalline adsorbent surface, such as the graphite face (0001) considered (§
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Transition from two-dimensional to three-dimensional state. Anchoring
Adsorption and desorption kinetics
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