Fig. 7: Crystal structures of the designed out-of-plane heterostructures.
From: From basic properties to the Mott design of correlated delafossites

Pd2/3Ag1/3CrO2, Pd1/2Ag1/2CrO2 and Pd1/3Ag2/3CrO2 (from left to right) result from different stackings along the c-axis. Pd: blue, Ag: grey, Cr: green and O: red. From Ref. 72.