Superconducting phases of URu2Si2

A. P. Ramirez*, T. Siegrist, T. T.M. Palstra, J. D. Garrett, E. Bruck, A. A. Menovsky, J. A. Mydosh

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

48 Citations (Scopus)
21 Downloads (Pure)


Thermodynamic data near the superconducting Tc on several different single-crystal specimens of the heavy-fermion system URu2Si2 are presented. Multiple-peak structure and narrow transition widths (Tc/Tc=0.05) are observed in the specific heat of the highest-quality samples. By carefully sectioning one of the crystals, it is shown that these peaks occur in macroscopically different parts of the crystal, and not as a result of vector superconductivity. Implications for the multiple-peak structure in UPt3 are discussed.

Original languageEnglish
Pages (from-to)5392-5395
Number of pages4
JournalPhysical Review B (Condensed Matter)
Issue number10
Publication statusPublished - 1 Jan 1991
Externally publishedYes


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