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  • 75.50.Ee  (1)
  • unconventional superconductivity  (1)
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Materialart
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  • 1
    Digitale Medien
    Digitale Medien
    Low-temperature transport properties of UCu5 (1994)
    Springer
    The European physical journal 94 (1994), S. 423-429 
    Details
    ISSN: 1434-6036
    Schlagwort(e): 71.28.+d ; 72.15.Eb ; 75.50.Ee
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The electrical resistivity ϱ(T) and the thermal conductivity λ(T) have been measured for UCu5 in the temperature range between 0.02 and 20 K. Two distinct anomalies in ϱ(T) are due to previously established phase transitions at approximately 15 and 1 K, respectively. They indicate considerable changes in the electronic structure of this compound, implying sizeable truncations of the Fermi surface with decreasing temperature at both transitions. In almost the entire covered temperature range the thermal conductivity is dominated by phonon contributions. Its temperature dependence is fairly well reproduced by a calculation considering phonon scattering by electrons and by point defects. At very low temperatures, asT approaches 0 K, the Wiedemann-Franz law λ e ρL 0 T, where λ e is the electronic part of λ(T) andL 0 is the Lorenz number, is almost perfectly fulfilled.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01317404
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Trends in Superconductivity of Heavy-Electron Metals (2000)
    Springer
    Journal of superconductivity 13 (2000), S. 837-846 
    Details
    ISSN: 1572-9605
    Schlagwort(e): heavy-electron metals ; unconventional superconductivity ; non-Fermi liquid behaviour ; gap nodes ; time reversal symmetry breaking
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Elektrotechnik, Elektronik, Nachrichtentechnik , Physik
    Notizen: Abstract Superconductivity in metals with electrons exhibiting a strongly enhanced effective mass may still be considered as an exotic phenomenon. In various cases, convincing evidence for unconventional superconducting states has been found and it seems quite conceivable that superconductivity in these materials is not triggered by the usual electron–phonon interaction. We briefly review the present state of knowledge and also discuss a few recent developments.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1007863609603
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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