Resolving multifrequential oscillations and nanoscale interfacet communication in single particle catalysis - Database S1

<strong>Supplementary Database S1 to the associated "Science" article (doi: </strong> <strong>10.1126/science.abf8107 ) containing the FEM and FIM measurements.</strong> FEM measurements of the oscillating hydrogen oxidation reaction on Rh at 413, 433 and 453 K at constant pressures of p_H2 = 4.8 x 10^-6 mbar and p_O2 = 4.4 x 10^-6 mbar and data of the FIM imaging of active sites using water ions.