The interactions between Ni and LaFeO₃ were studied on catalysts prepared by Atomic Layer Deposition (ALD) of 0.5-nm films of LaFeO₃ on MgAl₂O₄. Scanning Transmission Electron Microscopy showed that the films covered the support uniformly, even after 5 redox cycles at 1073 K, and X-Ray Diffraction showed that the films had the perovskite structure. Equilibrium between Ni and NiO was studied using coulometric-titration and flow-titration measurements on 5-wt% Ni catalysts, with and without LaFeO₃. While equilibrium constants for Ni/MgAl₂O₄ were similar to that expected for bulk Ni, equilibrium $P_{O_2}$ were shifted to significantly lower values in the presence of LaFeO₃. In studies of Methane Dry Reforming, the shift in equilibrium resulted in catalyst deactivation due to Ni oxidation at low CO:CO₂ ratios, even though Ni/LaFeO₃/MgAl₂O₄ otherwise showed a high reaction rate and excellent tolerance against coking.

通过在MgAl ₂ O ₄上的0.5nm LaFeO ₃薄膜的原子层沉积（ALD）制备的催化剂，研究了Ni与LaFeO ₃的相互作用。扫描透射电子显微镜显示，即使在1073 K下进行了5次氧化还原循环后，该膜也均匀地覆盖了载体，并且X射线衍射表明该膜具有钙钛矿结构。使用库仑滴定法和流动滴定法在5wt％的Ni催化剂（带或不带LaFeO ₃）上研究了Ni和NiO之间的平衡。Ni / MgAl ₂ O _4的平衡常数与块状Ni的平衡常数相似，但平衡$P_{{Ø}_{\mathrm{2个}}}$在存在LaFeO ₃的情况下，它们被转移到明显更低的值。在甲烷干重整研究中，即使Ni / LaFeO ₃ / MgAl ₂ O ₄否则显示出高的反应速率和优异的耐焦化性，平衡移动也会由于低CO：CO ₂比下的Ni氧化而导致催化剂失活。