Z. Z. Bandic, T. C. McGill, Z. Ikonic, Phys. WE Pickett, Comp. MC Payne, MP Teter, DC Allan, TA Arias, JD Joannopoulos, Rev. Mod. D E C has been corrected by a scissor operator extracted from experimental bulk data. Values for unrelaxed interfaces are given in parenthesis.
Thick line connects atoms that lie in one plane.
Figure 2 .