Numerical Analysis of Oxygen Adsorption on SnO₂ Surface Using Slab Geometry

Figure 1

(a) The grain with slab geometry 𝑟=0 at the grain center, 2×𝐿—slab thickness. (b) Full depletion layer. Surface energy barriers versus temperature, for different donor concentrations (𝐿=15 nm, 𝑁_𝑑=2.5×10²⁴ m⁻³, and 𝑚=1 or 2).

(a)

(b)