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The adsorption of carbon monoxide on the LaB 6 (100) and LaB 6 (111) surfaces was studied experimentally with the techniques of reflection absorption infrared spectroscopy and X-ray photoelectron spectroscopy. The interaction of CO with the two surfaces was also studied with density functional theory. Both surfaces adsorb CO molecularly at low temperatures but in markedly different...
Vibrational frequency of H and D adsorbed on IVa and Va transition-metal carbide (TMC) (111) surfaces has been studied by high-resolution electron energy loss spectroscopy. Hydrogen (deuterium) was adsorbed dissociatively, showing the vibrational mode in an energy range of 110–120 (80–88) meV on ZrC(111), HfC(111) and NbC(111) surfaces, but at a much higher energy of 208 (149) meV on TaC(111). The...
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