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  • Articles: DFG German National Licenses  (4)
  • kinetics  (3)
  • 23.20.Lv  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Reinvestigation of the decay scheme of the short-lived isomeric states in112In (1990)
    Springer
    The European physical journal 336 (1990), S. 291-296 
    Details
    ISSN: 1434-601X
    Keywords: 23.20.-G ; 23.20.En ; 23.20.Lv
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The two short-lived isomeric states in112In have been reinvestigated by means of the112Cd(d, 2n) and109Ag (α, n) reactions. Measurements of delayed X- andγ-ray, lifetime and TDPAD spectra have been performed. A 6.32(3) keVγ-ray has been identified in the isomeric decay and anM1 multipolarity has been assigned to it on the basis of the measured internal conversion coefficients:α L =196(39) andα tot=231(35). TheE1+M2(δ =+0.24(4)) andE2 multipolarities have been determined for the 263 and 188 keV transitions deexciting the 8−(T 1/2=2.82(2) μs) and 7+ (T 1/2=0.93(2) μs) isomeric states, respectively. A revised isomeric decay scheme is presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01292859
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Kinetics of carbon deposition from ethylene on Pt(110) surface (1997)
    Springer
    Reaction kinetics and catalysis letters 62 (1997), S. 299-304 
    Details
    ISSN: 1588-2837
    Keywords: carbon ; kinetics ; surface state
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The formation of carbonaceous deposits on Pt(110) surface due to ethylene decomposition in the temperature range of 770–970 K has been studied. Both kinetic and XPS data show that chemisorbed carbon (with no C−C bonds, but only C−Pt bonds) forms at T=770–870 K, the saturation coverage θs being about 1 ML. At higher temperatures, θs increases by a factor of 1.5, indicating the formation of more densely packed carbon species (DPC) due to C−C bonding. A kinetic model has been proposed to describe the process of carbon conversion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02475467
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Modeling of oxygen adsorption on silver (1999)
    Springer
    Reaction kinetics and catalysis letters 66 (1999), S. 265-272 
    Details
    ISSN: 1588-2837
    Keywords: Oxygen ; surface ; silver ; kinetics ; modeling
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Different adsorption forms of oxygen on silver are discussed. Four main types of oxygen forming at different temperatures and oxygen pressures have been distinguished. A kinetic model describing the formation and transformations of the oxygen forms and taking into account the surface amorphization has been proposed. Numerical modeling of stationary concentrations using this model gives evidence for a temperature window ΔT=500–800 K, where a quasimolecular oxygen state (E=530.5 eV, Tdes=800–900 K) can exist at high oxygen pressures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02475800
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Carbon states and kinetics of carbon deposition from ethylene at Pt(110) surface (1998)
    Springer
    Reaction kinetics and catalysis letters 65 (1998), S. 381-388 
    Details
    ISSN: 1588-2837
    Keywords: Carbon ; kinetics ; surface state ; XPS ; photoelectron spectroscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The nature of high temperature carbon states at Pt(110) has been studied by X-Ray Photoelectron Spectroscopy. The formation of diamond-like carbon (DLC) is reported for the first time. The kinetics and temperature-programmed reactions of DLC were numerically simulated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02475279
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    Paper (German National Licenses)
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