ta C Mo S Ni Q c8~- ~~0 -~ c~cp~--0- cih Figure 2.8 C The Ni3Mo DO22 phase; a.) Ni3Mo DO22 unit cell and b.) two dimensional representation of Figure 2.8a. showing 1.) FCC unit cell (- ), 2.) D022 unit cell (----), and 3.) 420 FCC stacking sequence (- ---).