Matches in SemOpenAlex for { <https://semopenalex.org/work/W2023152382> ?p ?o ?g. }
- W2023152382 endingPage "80" @default.
- W2023152382 startingPage "1" @default.
- W2023152382 abstract "Experimental results are presented on the magnetic properties of the heavy-fermion superconductors CeCu2Si2, UBe13, UPt3 and URu2Si2, both in the normal state (susceptibility and magnetoresistance) and in the superconducting state (Meissner effect, upper and lower critical field). At elevated temperatures, not only CeCu2Si2 and the non-superconducting reference compound CeAl3, but also UBe13 behave like a dense array of independent Kondo impurities. At lower temperatures (T ⩽ 1 K) the onset of coherent scattering leads to new phenomena which are characteristic for the Kondo lattice. These concern e.g. a sign change of the magnetoresistance and a maximum in the upper critical field of CeCu2Si2. In all investigated heavy-fermion superconductors a superconducting order parameter is at Tc only formed on part of the Fermi-surface. In pure UBe13, as well as in Th-doped samples, the rest of the Fermi-surfaces becomes superconducting at about 0.5Tc, while in CeCu2Si2 parts of the Fermi-surface with “light” electrons stay normal down to very low temperatures. Though very anisotropic, the superconducting state of CeCu2Si2 appears to be a conventional one. In UPt3, on the other hand, evidence for a nonconventional order parameter is found. No conclusion can be drawn regarding the nature of the superconducting state of UBe13." @default.
- W2023152382 created "2016-06-24" @default.
- W2023152382 creator A5048032986 @default.
- W2023152382 date "1987-11-01" @default.
- W2023152382 modified "2023-10-14" @default.
- W2023152382 title "Magnetic properties of heavy-fermion superconductors" @default.
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