Spin fluctuations and superconductivity in UPt3

A. De Visser*, J. J.M. Franse, A. Menovsky, T. T.M. Palstra

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

60 Citations (Scopus)
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Abstract

Electrical resistivity, ac-susceptibility and specific heat measurements on Czochrakski-grown single-crystalline UPt3reveal a transition into a superconducting state below 0.48 K. For the temperature dependence of the upper critical field, dBc2/dT, a value of -4.4 T/K is found. A numerical analysis of the normal-state specific-heat data below 20 K results in a large T3 ln(T/T*) contribution, indicating pronounced spin-fluctuation effects. The coexistence of superconductivity and spin fluctuations makes UPt3 a unique material.

Original languageEnglish
Pages (from-to)442-447
Number of pages6
JournalPhysica B+C
Volume127
Issue number1-3
DOIs
Publication statusPublished - 1 Jan 1984
Externally publishedYes

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