The intrinsic stacking fault energy of germanium was calculated using the pseudopotential method to a second-order perturbation approximation. The calculated value, 26mJ/m2, fell within 50% of the experimental value determined using the weak-beam technique of electron microscopy.

Pseudopotential Calculation of the Stacking Fault Energy in Diamond, Germanium, and Grey Tin. L.J.Chen, L.M.Falicov: Philosophical Magazine, 29[5], 1133-6

Table 2

Calculated Stacking-Fault Energies for Ge and Si