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Publikováno v:
Surface and Interface Analysis. 34:744-748
The formation of iron and iridium silicides was studied by means of highly resolved photoelectron spectroscopy of core and valence levels as well as by means of low-energy electron diffraction (LEED). The experiments were carried out at BESSY II in B
Publikováno v:
The Journal of Chemical Physics. 115:8133-8140
Using synchrotron radiation, the adsorption and decomposition of propene (C3H6) on the Ni(100) surface has been investigated in situ by time-resolved and temperature-programmed x-ray photoelectron spectroscopy. At 105 K, high-resolution C 1s spectra
Autor:
J.M. Heras, Reinhard Denecke, M. Voß, L. Viscido, Hans-Peter Steinrück, D. Borgmann, M. Probst
Publikováno v:
Journal of Electron Spectroscopy and Related Phenomena. :539-544
The modification of polycrystalline MoO 3 surfaces by vapor-deposited Co atoms was studied by means of X-ray photoelectron spectroscopy (XPS). Thin MoO 3 layers react with evaporated Co atoms already at 90 K. At 300 K this process proceeds with a sig
Publikováno v:
Journal of Catalysis. 187:348-357
Using a plug-flow and a batch reactor the hydrogenation of mixtures of carbon dioxide and ethene over unsupported cobalt has been studied. The results show that the hydrogenation of carbon dioxide is totally blocked as long as ethene is present in th
Publikováno v:
Surface Science. :723-727
The interaction of evaporated cobalt atoms with polycrystalline MoO3 surfaces was studied by means of X-ray photoelectron spectroscopy (XPS). In several steps cobalt was evaporated onto the clean MoO3 surface at 300 K. With increasing cobalt layer th
Publikováno v:
Surface Science. :559-562
X-ray photoelectron spectroscopy (XPS) studies of the growth and oxidation of Fe films on a polycrystalline Ag catalyst are the subject of this paper. Fe films of high purity were prepared by deposition of Fe at 300 K. Quantitative evaluation of the
Publikováno v:
Surface Science. 424:278-289
The adsorption of K and Cs on Fe(110) has been studied by low-energy electron diffraction (LEED), Auger electron spectroscopy (AES), X-ray photoelectron spectroscopy (XPS) and ultraviolet photoelectron spectroscopy (UPS). At room temperature, no orde
Publikováno v:
Langmuir. 14:5464-5468
A special experimental setup was used to study the equilibrium gas composition after interaction of propene with pure thin polycrystalline nickel films and nickel films precovered with hydrogen under ultrahigh vacuum conditions. Isothermal reaction m
Publikováno v:
Surface Science. :131-134
Photoelectron spectroscopy (UPS, XPS) and thermal desorption techniques were used to study the chemisorption and decomposition reactions of propene on Ni(100). Propene is molecularly adsorbed at temperatures below 150 K. At saturation coverage the TD