Figure 1
Projection of the higher-temperature (a) and lower-temperature (b) Se-rich antimonpearceite structure along the hexagonal and monoclinic b axis, respectively. The figure emphasizes the alternation of the [(Ag,Cu)6(Sb,As)2(S,Se)7]2− A (A′) and [Ag9Cu(S,Se)2Se2]2+ B (B′) module layers. |