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: flattened model Locality: synthetic _database_code_amcsd 0021165 5.03275 5.03275 13.75288 90 90 120 R-3c atom x y z occ Biso Fe 0 0 .3555 .9787 .25 O .3033 0 .25 .84