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  • 1975-1979  (8)
  • 1960-1964  (4)
  • 1930-1934  (2)
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  • 1
    Digitale Medien
    Digitale Medien
    XPS investigation of simple metals (1978)
    Springer
    The European physical journal 30 (1978), S. 129-143 
    Details
    ISSN: 1434-6036
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The theory for the photoemission process is inspected taking into account many body effects. Simple equations for the analysis of experimental spectra are deduced which allow to determine the relative importance of the many body effects to the observed spectrum. The core level spectra for Be, Na, Mg and Al metal are analysed quantitatively yielding the magnitude of the intrinsic and extrinsic contribution to the plasmon creation.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01320978
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  • 2
    Digitale Medien
    Digitale Medien
    Die Gewerbepathologie der Uhrenindustrie mit besonderer Berücksichtigung der schweizerischen Verhältnisse (1934)
    Springer
    International archives of occupational and environmental health 5 (1934), S. 592-614 
    Details
    ISSN: 1432-1246
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02122961
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  • 3
    Digitale Medien
    Digitale Medien
    Winkelkorrelationsmessungen an 〉30y Holmium 166 und Bestimmung desg R -Faktors des 4+-Rotationsniveaus von Erbium 166 (1963)
    Springer
    The European physical journal 174 (1963), S. 389-404 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The spins of several excited states of Er166 have been investigated byγγ-angular correlation measurements. The spin sequence 0+, 2+, 4+, 6+ for the ground state rotational band was presumed to be correct. Unique assignments were derived for the states of 1076 keV, 1377 keV and 1785 keV asI=5, 7 and 6 respectively. These results are in agreement with the spins proposed byGallagher jr. andSoloviev. The multipolarities of theγ-transitions of 408 keV, 709 keV, 811 keV and 831 keV were derived as 95%E1+(5±1)%M2, 99·6%E1+(0·4±0·5)%M2, 99·1%E2+(0·9±0·3)%M1, and 96·1%E2+(3·9±1)%M1 respectively. The unusual mixing ratios of the transitions of 811 keV and 831 keV can be understood as a consequence of theK-selection rule. Eachγ-transition from the 1785 keV state should be stronglyK-forbidden and one expects a half-life ofT 1/2≈3·10−9s. A measurement of the time spectrum of the coincidences between theβ-radiation and the high energyγ-lines gave however:T 1/2(1785 keV state)≦3·10−10s. The rotation of the angular correlation between the 184 keV line and theγ-group at 820 keV has been measured in an external magnetic field of 53000 gauss as:ω·τ(4+)=0·083±0·006. This value contains small corrections for an additional rotation of the angular correlation of the 831 keV–184 keV triple cascade in the 6+state and for a small attenuation by internal fields. WithT 1/2(4+state)=1·23·10−10s, andβ=7·08 one gets for theg-factorg R=+0·266±0·024 in good agreement with recent results for the 2+ state.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01378614
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  • 4
    Digitale Medien
    Digitale Medien
    Local magnetization of Fe in Mo from Mössbauer experiments (1977)
    Springer
    Journal of low temperature physics 26 (1977), S. 83-100 
    Details
    ISSN: 1573-7357
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract From Mössbauer experiments on dilute sources of57Co in Mo the local moment behavior of the Kondo system Fe in Mo is obtained. In addition, impurity-impurity interactions are clearly seen from line broadening of the Mössbauer spectra, which depend on the preparation of the samples. The local magnetization deduced from the splitting of the Mössbauer spectra in external fields is identical for samples with differing impurity concentrations, indicating that it is characteristic of isolated Fe in Mo. The initial local susceptibility is in good agreement with earlier bulk magnetization data. The low-temperature susceptibility yields a Kondo temperature of about 0.2 K. On the other hand, the overall temperature dependence of the susceptibility is more complex than the simple Curie-Weiss law with saturation to a constant value at low temperatures known for typical Kondo systems such asCuFe.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00654561
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  • 5
    Digitale Medien
    Digitale Medien
    Comparisons of the cure of phenol-formaldehyde novolac and resol systems by differential scanning calorimetry (1979)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 23 (1979), S. 1973-1985 
    Details
    ISSN: 0021-8995
    Schlagwort(e): Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Maschinenbau , Physik
    Notizen: Comparisons were made of differential scanning-calorimetric (DSC) thermograms of both liquid and powdered commercial phenol-formaldehyde resins. By a combination of the results from analyses under a variety of conditions, such as ambient pressure, high pressure, using freeze-dried samples, and also by direct observation of the resin-curing process in wood-veneer assemblies, the curing reactions of phenol-formaldehyde resins were found to differ for resol and novolac systems. At a heating rate of 10°C/min, the resol resin showed endothermic curing reactions at temperatures of about 150°C, while the novolac-type resin showed an exothermic peak maximum at about 160°C. Results are presented to show how DSC can be used to differentiate between a resol and novolac system.
    Zusätzliches Material: 9 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/app.1979.070230708
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  • 6
    Digitale Medien
    Digitale Medien
    Mössbauer study of highly dilute Pd(Fe) alloys at very low temperatures (1978)
    Springer
    Hyperfine interactions 4 (1978), S. 407-410 
    Details
    ISSN: 1572-9540
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01021861
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  • 7
    Digitale Medien
    Digitale Medien
    Buchbesprechungen (1961)
    Springer
    Journal of pest science 34 (1961), S. 124-125 
    Details
    ISSN: 1612-4766
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02005700
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  • 8
    Digitale Medien
    Digitale Medien
    Professor Dr. Heinrich Kemper 60 Jahre (1962)
    Springer
    Journal of pest science 35 (1962), S. 25-26 
    Details
    ISSN: 1612-4766
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02351790
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  • 9
    Digitale Medien
    Digitale Medien
    XPS investigation of simple metals (1978)
    Springer
    The European physical journal 30 (1978), S. 145-154 
    Details
    ISSN: 1434-6036
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The x-ray photoemission spectra of the valence band region of Be, Na, Mg, and Al have been measured and are analysed in terms of existing band structures. This allows an accurate determination of the band width of these metals and of the relative photoionisation cross sections (atħω γ=1487 eV) for the electrons of different angular momentum in the bands. It is found empirically that the many body effects in the valence bands are of similar magnitude as observed in the core level spectra.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01320979
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  • 10
    Digitale Medien
    Digitale Medien
    The XPS valence band spectra of Hf metal and HfC x N y O z compounds and the correlation to their superconductivity (1979)
    Springer
    The European physical journal 33 (1979), S. 241-250 
    Details
    ISSN: 1434-6036
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The x-ray photoemission spectra of the valence bands of Hf metal and of several HfC x N y O z compounds have been measured and are compared to existing band structure calculations. The density of states at the Fermi energy of the HfC x N y O z compounds correlates strongly to their superconducting transition temperatureT c . A calculation of theT c values within the frame work of strong coupling superconductors indicates that the phonon spectrum and the electron phonon interaction is approximately constant within the series HfC x N y O z .
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01323499
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