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The current deviations χ0 as a function of the surface charge density on the particle (upper) and as a function of 
(lower). Note a = 1 nm, b = 2.2 nm, 
= 0, h = 50 nm, Lp = 60 nm, H = 150 nm, B = 40 nm, φ0 = 200 mV, C0 = 0.1 M, and σm = −0.009 C/m2. The solid line represents the approximate solution from Eq. 42, and the circles are the MIM results.
