D. Rettenwander, W. Schmidt, C. Arrer, M. Wilkening, and G. Amthauer, “The Site Preference of Al and Ga in Mixed Doped Li7−3(x+y)GaxAlyLa3Zr2O12 Garnet Solid Solutions with x, y ∈ {0.1, 0.2, …, 0.8 ∧ y + x ≤ 0.8} and its Influence on Li-Ion Mobility”, diffusion, vol. 21, Nov. 2014.