“…Among different pyrochlores, zirconate and titanate-based matrices have been considered recently for waste immobilization. 41–46 Though a number of reports regarding substitution of radionuclides at the A site of the pyrochlore prevail, very insignificant work has been reported with respect to substitution at the B site. 42,47,48 In our recent report we utilized Y 2 Ti 2 O 7 as the base matrix and doped U and Ce at the Y site.…”