Vibrational spectra of ammonia adsorbed on Fe(110) |
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| Authors: | W. Erley H. Ibach |
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| Affiliation: | Institut für Grenzflächenforschung und Vakuumphysik, Kernforschungsanlage Jülich, D-5170 Jülich, Fed. Rep. of Germany |
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| Abstract: | EELS spectra of ammonia adsorbed on a Fe(110) surface at 120 K reveal three different adsorption states of molecular ammonia. Thermal processing of the ammonia covered Fe(110) surface to 315 K indicates fragmentation of the NH3 molecules into atomic hydrogen and nitrogen. Formation of an NH2 intermediate is not observed whereas the existence of NHad species cannot be excluded at present. |
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