Hematite Mitra S, Das S, Basu S, Sahu P, Mandal K Journal of Magnetism and Magnetic Materials 321 (2009) 2925-2931 Shape- and field-dependent Morin transitions in structured alpha-Fe2O3 Note: ellipsoidal model Locality: synthetic _database_code_amcsd 0021163 5.0347986 5.0347986 13.76356 90 90 120 R-3c atom x y z occ Biso Fe 0 0 .3553 .96 .14 O .3088 0 .25 .97