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The electrical properties of dual-phase fluorite-pervoskite oxide systems based on strontium titanate- ferrite (SrTi0.5Fe0.5O3–δ) are studied. We find that the oxygen ionic and ambipolar conductivities of strontium titanate-ferrite can be considerably improved by introducing the fluorite phase Ce0.8(Sm0.8Sr0.2)0.2O2–δ. This is advantageous considering the prospects of applying these types of composite...
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