Yash Mishra and Debapriya Mandal. “Effect of lanthanum incorporation on the structural, surface, and thermal properties of nickel-co-doped alumina and silica oxides.” ChemRxiv (). https://doi.org/10.26434/chemrxiv.15007567/v1

Ni-La co-doped alumina materials
BET surface area, 20 wt.% Ni, 20 wt.% La, 60 wt.% Al2O3 120.87 m² g⁻¹
BET surface area, 20 wt.% Ni, 25 wt.% La, 55 wt.% Al2O3 100.59 m² g⁻¹
BET surface area, 20 wt.% Ni, 30 wt.% La, 50 wt.% Al2O3 85.87 m² g⁻¹
Main, p. 37
Ni-La co-doped silica materials
BET surface area, 20 wt.% Ni, 15 wt.% La, 65 wt.% SiO2 74.44 m² g⁻¹
BET surface area, 20 wt.% Ni, 20 wt.% La, 60 wt.% SiO2 67.91 m² g⁻¹
BET surface area, 20 wt.% Ni, 25 wt.% La, 55 wt.% SiO2 60.66 m² g⁻¹