2007
DOI: 10.3989/cyv.2007.v46.i6.217
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(La,Sr)TiO<sub>3+δ</sub> en lugar de (La,Sr)TiO<sub>3+d</sub>

Abstract: The performance and potential application of the cubic members of the La 4 Sr n-4 Ti n O 3n+2 series of compounds, i.e. n≥12, prepared by solid state reaction are discussed. Although these phases can be indexed as cubic perovskites by X-ray diffraction (XRD), there exists some oxygen beyond the ABO 3 stoichiometry accommodated in linear defects reminiscent to the oxygen rich layers in La 2 Ti 2 O 7 . In the present work, we report preliminary fuel cell tests of the n=12,14 and 16 of the La 4 Sr n-4 Ti n O 3n+2… Show more

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