Bi0.775 O1.5 Sm0.225 Drache M, Obbade S, Wignacourt J, Conflant P Journal of Solid State Chemistry 142 (1999) 349-359 Structural and conductivity properties of Bi(0.775) Ln(0.225) O1.5 oxide conductors (Ln = La, Pr, Nd, Sm, Eu, Gd, Tb, Dy) with rhombohedral Bi-Sr-O type _cod_database_code 1004138 _database_code_amcsd 0013962 3.9783 3.9783 27.39099 90 90 120 R-3m atom x y z occ Bi1 0 0 0 .325 Sm1 0 0 0 .675 Bi2 0 0 .2248 O1 0 0 .305 O2 0 0 .093 .70 O3 0 0 .445 .55