FIG. 14.(a) Lateral view along the½ 110 direction of the extended defect shown in Fig. 13(e): atoms that are not epitaxially ordered, representing the single and triple SFs; (b) orthogonal view of a single stacking fault SFh1i: the faulted stacking sequence of the Si–C dimers along h111i directions with respect to the ideal ABC ABC ABC … one is indicated; the orange line is a guide for the eye, highlighting the non-maintained epitaxial order in the two semi-spaces separated by the defect.