Table 2 Material constants used in the proposed model.

Hopping distance (a)

3.2 Å

Escape attempt frequency (f)

10¹² HZ

Linear thermal coefficient (λ)

0.1

Room temperature (T₀)

293 K

V_O diffusion barrier (E_a)

0.85 eV

PF coefficient 1 (α)

5.48 × 10^-4

PF coefficient 2 (β)

-5.7