Fig. 2: Dynamic LMSI in NiFe-Fe3O4 catalysts during hydrogen oxidation reaction.
From: Looping metal-support interaction in heterogeneous catalysts during redox reactions
a–h Time-sequence HRTEM images of NiFe-Fe3O4 catalyst at 700 °C at an O2/H2 ratio of 1/10 in Supplementary Movie 4. i Filtered inverse FFT of HRTEM image in b shows the correlated orientation between Fe3O4 and NiFe. j Trace of motion path and morphology evolution of the NiFe nanoparticle in Supplementary Movie 4. k Projection area of Fe3O4 and NiFe in function of time from Supplementary Movie 4.
