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  Magnetic and Superconducting Properties of the Heavy-Fermion Superconductor UPd2Al3

Amato, A., Feyerherm, R., Gygax, F. N., Schenck, A., Weber, M., Caspary, R., et al. (1992). Magnetic and Superconducting Properties of the Heavy-Fermion Superconductor UPd2Al3. EPL, 19(2), 127-133. doi:10.1209/0295-5075/19/2/012.

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Amato, A.1, Author
Feyerherm, R.1, Author
Gygax, F. N.1, Author
Schenck, A.1, Author
Weber, M.1, Author
Caspary, R.1, Author
Hellmann, P.1, Author
Schank, C.1, Author
Geibel, C.1, Author
Steglich, F.2, Author           
MacLaughlin, D. E.1, Author
Knetsch, E. A.1, Author
Heffner, R. H.1, Author
Affiliations:
1external, ou_persistent22              
2External Organizations, ou_persistent22              

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 Abstract: Zero- and transverse-field muon-spin rotation (mu+ SR) spectroscopy, as well as critical-field investigations were performed on the newly discovered antiferromagnetic superconductor UPd2Al3. In contrast to the situation in UNi2Al3, no spontaneous frequency could be observed in the zero-field spectroscopy, suggesting a symmetric muon stopping site. The coexistence between magnetism and superconductivity could unambiguously be confirmed by the mu+ SR data. The magnetic-penetration depth lambda(0) has been obtained from the increase of the mu+ SR line width below T(c) and from the slopes of the critical field at T(c). The results are compatible with a value of lambda(0) = (6250 +/- 1250) A and suggest that UPd2Al3 is a BCS-type weak-coupling superconductor.

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 Dates: 1992-05-15
 Publication Status: Issued
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Title: EPL
  Other : Europhysics Letters
Source Genre: Journal
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Pages: - Volume / Issue: 19 (2) Sequence Number: - Start / End Page: 127 - 133 Identifier: Other: 0295-5075
CoNE: https://pure.mpg.de/cone/journals/resource/0295-5075