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  Superconductivity in a system of heavy fermions

Steglich, F., Aarts, J., Bredl, C. D., Cordier, G., de Boer, F. R., Lieke, W., et al. (1982). Superconductivity in a system of heavy fermions. In W. Buckel, & W. Weber (Eds.), Superconductivity in d- and f-Band Metals (pp. 145). Kernforschungszentrum Karlsruhe.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-C258-E Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-C259-C
Genre: Book Chapter

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 Creators:
Steglich, F.1, Author           
Aarts, J.2, Author
Bredl, C. D.2, Author
Cordier, G.2, Author
de Boer, F. R.2, Author
Lieke, W.2, Author
Rauchschwalbe, U-2, Author
Affiliations:
1External Organizations, ou_persistent22              
2external, ou_persistent22              

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 Abstract: The Kondo-lattice system CeCu"2Si"2 exhibits below Tapprox.=1 K characteristic properties of a Fermi liquid. A transition into a superconducting state is observed at Tsub(c)approx.=0.5 K. The height of the specific-heat jump as well as the slope of the upper critical field curve at Tsub(c) indicate that the description of this phase transition requires Cooper pairs formed by heavy fermion quasiparticles. Superconductivity is found to be hindered by a small amount of spurious phases, which can be removed, to a large extent, by proper annealing. Apart from this, it also appears possible that, even in chemically pure polycrystalline CeCu"2Si"2, both the electronic specific heat and the superconducting properties are sensitive to the mechanical state of the sample.

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 Dates: 1982-09-03
 Publication Status: Issued
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Title: Superconductivity in d- and f-Band Metals
Source Genre: Book
 Creator(s):
Buckel, W.1, Editor
Weber, W.1, Editor
Affiliations:
1 external, ou_persistent22            
Publ. Info: Kernforschungszentrum Karlsruhe
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 145 Identifier: -