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La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) is a mixed ionic-electronic conducting perovskite (ABO3) material which has attracted significant research interest in recent years as a cathode for solid oxide fuel cell (SOFC) applications at intermediate temperatures (500°C–750°C). Fundamental understanding of the oxygen surface exchange kinetics and diffusion in LSCF cathodes is necessary to optimize the cell performance...
In this study La0.6Ca0.4Fe0.8Ni0.2O3−δ (LCFN) thin films are deposited on SrTiO3(l00) (STO(l00)) and Si(100) substrates by pulsed laser deposition at oxygen pressure of 13.3, 26.7, 40 and 53.3Pa. For LCFN/STO, X-ray diffraction and field emission scanning electron microscopy show film growth along (l00) direction. The electrical resistivity measurements reveal that PO2=40Pa provides an optimum electrical...
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