Figure 6

Schematic diagrams (not to scale) illustrating possible solid-liquid-vapour interfaces with the same equilibrium contact angle (θ), but different geometric angles (α).
(a) θ ≈ α and (b) θ < α.
Schematic diagrams (not to scale) illustrating possible solid-liquid-vapour interfaces with the same equilibrium contact angle (θ), but different geometric angles (α).
(a) θ ≈ α and (b) θ < α.