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  • 1975-1979  (8)
  • 1970-1974  (5)
  • 1930-1934  (2)
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  • 1
    Digitale Medien
    Digitale Medien
    Das Quadrupolmoment des 2,3 MeV-Zustandes in120Sn (1970)
    Springer
    The European physical journal 232 (1970), S. 256-267 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Time differentialγγ-angular correlation measurements have been performed to determine the electric interaction of the 2.3 MeVI=5− state of120Sn in different polycristalline antimony compounds. A calibration of the field gradient was achieved by Mößbauerexperiments with the 23.8 keVI=3/2+ state in119Sn using identical sources. From the ratio of the measured electric interactions the ratio of the quadrupole moments is deduced as: $$\left| {\frac{{Q(2.3{\mathbf{ }}MeV level,{\mathbf{ }}I = 5^ - ,^{120} Sn)}}{{Q(2.8{\mathbf{ }}keV level,{\mathbf{ }}I = {3 \mathord{\left/ {\vphantom {3 2}} \right. \kern-\nulldelimiterspace} 2}^ + ,^{119} Sn)}}} \right| = 2.86(15)$$ . Using 0.06 (2) b for the quadrupole moment of the 23.8 keV level in119Sn one gets for the quadrupole moment of the 2.3 MeV level in120Sn ¦Q(2.3 MeV level,I=5−,120Sn)¦=0.021 (8) b.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01391523
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  • 2
    Digitale Medien
    Digitale Medien
    Interference of photoelectric and nuclear resonance absorption of 26keVE1 γ-rays in161Dy studied by transmission and scattering Mössbauer experiments (1971)
    Springer
    The European physical journal 248 (1971), S. 362-369 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The interference of photoeffect and internal conversion following nuclear resonance absorption of 26 keVE1 γ quanta in161Dy has been measured in Mössbauer transmission experiments and by direct detection of re-emitted conversion electrons in a parallel-plate avalanche counter. The ratio of the amplitudes of the interference terms in transmission and scattering experiments was found to be in agreement with the theory. An angular distribution of the interference effect has been observed in the scattering experiments.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01400550
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  • 3
    Digitale Medien
    Digitale Medien
    Mössbauer experiments on57Fe in the giant moment system Ni75-x Fe x Ga25 (1973)
    Springer
    The European physical journal 259 (1973), S. 323-332 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Mössbauer experiments on57Fe on the giant moment system Ni75-x Fe x Ga25 were performed. For various Fe concentrationsx the hyperfine fields, the isomeric shift, and the quadrupole splitting were measured. A saturation hyperfine field of 223 (2) kOe at the Fe atom substituting a Ga site and of 200 (2) kOe at the Fe atom substituting a Ni site were found.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01395938
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  • 4
    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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  • 5
    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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  • 6
    Digitale Medien
    Digitale Medien
    Determination of theL-shell conversion coefficient for the 26 keV Mössbauer transition in161Dy (1971)
    Springer
    The European physical journal 248 (1971), S. 370-374 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract TheL-shell conversion coefficient of the 26 keV Mössbauer transition in161Dy has been determined to be αL=2.4 −0.2 +0.3 by coincidence techniques using high resolution Ge(Li) and Si(Li) detectors. With theoretical values for theM- andN-shells the total conversion coefficient is calculated to be αtot=2.9 −0.2 +0.3 .
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01400551
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  • 7
    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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  • 8
    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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  • 9
    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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  • 10
    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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