Study of LaFeO3-based perovskite materials doped with Ni
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https://doi.esrf.fr/10.15151/ESRF-ES-2177199493
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资源简介：
Perovskite based materials such as LaFeO3, with sub-stoichiometric A-site and doped with different content of Ba, Ca, Ni, Mo, undergoing Ni exsolution on the surface are promising candidates as cathodes for Solid Oxide Fuel Cells (SOFCs). The catalytic activity, conductivity, and stability of the cathode can all be enhanced by introducing Ni nanoparticles on the perovskite surface. To rationally understand and optimize these materials, several experimental investigations can be conducted. We propose High-Resolution Fluorescence-Detected XANES (HERFD-XANES) to understand variations in the valences of B-site metals induced by A-site defectivity, measurements to elucidate the local distortion and mutual tilting of BO6 octahedra as a function of the concentration of exsolved Ni and the oxidation state of B-site metals.
提供机构：
CNRS / OSUG - UMS832, Observatoire des Sciences de l Univers, Domaine universitaire, Bâtiment Osug-a 414 Rue De La Piscine, 38400 Saint-martin-d Heres, France; University of Palermo, Department of Physics and Chemistry, Viale delle Scienze - Ed. 18, I-90128, Palermo, IT; CNR, ISMN, Via Ugo La Malfa 153, 90146 Palermo, Italy; University of Palermo, Department of Physics and Chemistry, Viale delle Scienze - Ed. 18, I-90128 Palermo, Italy
创建时间：
2028-01-01
