I
J
К
А
III. Bilayer
SV. Mica
В
Figure 2.1: (Top Left) 3D schematic diagram, (Top Right) Finite Element Domains I to
IV, not to scale. (Bottom) Portion of the mesh generated while solution is computed.
In Figure 2.1, Domain I corresponds to the aqueous phase between the tip and membrane.
The Poisson-Boltzmann equation in this domain was defined as
-S ( ʌ
2nne . , eψ
(2.4)
----y---sinh ——
εelectrolyte^о >
with electrostatic potential ψ, 1:1 monovalent electrolyte ion density n0, electron charge
e, Boltzmann constant кв, and dielectric constant εeiectroiyte ~ 79. Domain II represents the
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