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The oxygen ion and electron transport in SrFe 1−x Sc x O 3−δ (x=0.1–0.3) system at 700–950 °C were studied analyzing the total conductivity dependencies on the oxygen partial pressure, pO 2 . The conductivity measurements were performed both under reducing conditions (10 −19 ≤pO 2 ≤10 −8 atm) comprising the electron-hole equilibrium point, and...
The total electrical conductivity of strontium ferrites, including intergrowth Sr 4 Fe 6 O 13+δ , Sr 3 Fe 2 O 6+δ with a Ruddlesden-Popper structure, and SrFeO 2.5+δ where the cubic perovskite lattice transforms into vacancy-ordered brownmillerite at p(O 2 )<10 Pa and T<850 o ...
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