Formation and thermal behavior of Aurivillius phases A m–1Bi2Fe m–3Ti3O3m+3–δ (A = Bi, Sr)

Solid-state chemical reactions in the Bi2O3–SrO–TiO2–Fe2O3 system have afforded layered perovskitetype oxides with the Aurivillius phases structure: (Bi1–х ,Sr х ) m–1Bi2Fe m–3Ti3O3m+3–δ (m = 4–7). Special features of their formation and thermal behavior have been studied.