Abstract

The late transition metals have been studied extensively for decades because of their catalytic applications. Understanding the oxidation behaviour and the structure of the oxides of these metals are essential in order to raise the efficiency of the catalysts [1]. In the present contribution we investigate surface structure of Rhodium (Rh) nanoparticles grown on (001) MgO and oxidized at oxygen (O2) pressure of 2×10−5 mbar by high-resolution transmission electron microscopy (HRTEM) in both (110) and (100) cross-sections, and by spatially-resolved electron energy-loss spectroscopy (EELS).

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