fig2

Figure 2. Crystal structures of (A) Co₃(Al, W); (B) Co₃(V, Ti); (C) Co₃(V, Ir); (D) Co₃(V, Ta) and (E) Co₃(Al, V) of L1₂-ordered γ'-Co₃(X, Y); and (F) Co₃(Al, W); (G) Co₃(V, Ti); (H) Co₃(V, Ir); (I) Co₃(V, Ta) and (J) Co₃(Al, V) of D0₁₉-ordered γ'-Co₃(X, Y). Sites #1, #2 and #3 represent Co and the X and Y dopants, respectively.