data_global _amcsd_formula_title 'Fe1.175 Na0.875 O4 Sb0.3 Ti0.525' loop_ _publ_author_name 'Archaimbault F' 'Choisnet J' _journal_name_full 'Journal of Solid State Chemistry' _journal_volume 90 _journal_year 1991 _journal_page_first 216 _journal_page_last 227 _publ_section_title ; The defect solution Na7/8(Fe^III^7/8+xTi^IV^9/8$/2xSb^V^x)O4(0