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Table 4

Parameters of the Boolean models of nano-particles (prism and sphere). The sphere radius is 2.5 nm The last column De is the effective diffusion coefficients of the Boolean models estimated with the numerical FFT method.

Particle shape Pore volume fraction
Platelet shape (nm)
Effective diffusion
ε D1 D2 D3 D4 De
Sphere 0.7 0.566
Cubic prism 0.7 3.9 0.1 3.9 4.0 0.540
Platelet-like prism 0.7 7.0 0.1 2.9 3.0 0.533
Rod-like prism 0.7 1.9 0.1 1.9 16.0 0.518

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