Maghemite Shmakov A N, Kryukova G N, Tsybulya S V, Chuvilin A L, Solovyeva L P Journal of Applied Crystallography 28 (1995) 141-145 Vacancy ordering in gamma-Fe2O3: synchrotron x-ray powder diffraction and high- resolution electron microscopy studies Locality: Synthetic _database_code_amcsd 0020516 8.3474 8.3474 8.3474 90 90 90 P4_332 atom x y z occ Biso Fe1 .9921 .9921 .9921 .45 Fe2 .8650 .6150 .875 .45 Fe3 .375 .125 .875 .335 .45 O1 .861 .861 .861 .45 O2 .372 .377 .876 .45