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  • 1
    Electronic Resource
    Electronic Resource
    Temperature dependence of the g value of Ni2+ in ZnSiF6⋅6H2O (1988)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 88 (1988), S. 705-706 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The measured increase in g(parallel) between 4 and 100 K for Ni2+ in ZnSiF6⋅H2O has been explained as a consequence of the dynamical phonon coupling between the spins and the lattice. The Debye temperature of θ=130 K previously determined from the zero-field splitting has been found to agree with that obtained from the temperature dependence of the g value. The zero-point vibrational correction to the g value has been deduced.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.454148
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Measurement of Debye temperature from the zero-field splitting of Ni2+ in ZnSiF6⋅6H2O (1988)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 88 (1988), S. 634-636 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The variation of the zero-field splitting parameter D for Ni2+ in ZnSiF6⋅6H2O between 4 and 250 K has been used to calculate the temperature dependence of the Debye temperature θD(T) in ZnSiF6⋅6H2O. θD(T) was determined to be 143 K at a temperature of 30 K and 127 K at 250 K. There was a pronounced minimum of 105 K in θD(T) near 60 K. The behavior of θD(T) is qualitatively similar to that found for alkali halides from specific heat data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.454190
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Temperature dependence of the Mössbauer isomer shift (1985)
    Springer
    Hyperfine interactions 26 (1985), S. 817-843 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The isomer shift for nuclei in solids is calculated taking into account the core electron charge density, the overlap effects, the charge transfer effects, and the crystal field effects. The importance of the dynamical electron phonon interaction is pointed out. It is found that the phonon-induced dynamical configurational mixing and the dynamical charge transfer play an important role and contribute to a dynamical isomer shift which enhances the temperature-dependent second-order Doppler shift. It is found that the internal conversion and the electron capture give information which is related to the isomer shift. In mixedvalence compounds such as EuCu2Si2, the center shift of the Mössbauer lines has been explained as if arising from the phonon-induced dynamical isomer shift.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02354640
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    Paper (German National Licenses)
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