Anisotropy of the upper critical field in the magnetic heavy-fermion superconductor URu2Si2

V. V. Moshchalkov*, F. Aliev, V. Kovachik, M. Zalyaljutdinov, T. T M Palstra, A. A. Menovsky, J. A. Mydosh

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Measurements have been performed of the upper critical field Hc2 anisotropy in the magnetic heavy-fermion superconductor URu2Si 2. The dHc2/dT value is constant within 5% when H is rotated in the basal plane, whereas ∥dHc2/dT∥ decreases by about 35% for H rotated by 20°-30°out of the basal plane. Contrary to CeCu2Si2 the Hc2 anisotropy in URu 2Si2 is enhanced as temperature decreases below T c. This disparity can be attributed to the different strengths of paramagnetic and spin-orbit effects responsible for the suppression of superconductivity by a magnetic field in CeCu2Si2 and URu2Si2.

Original languageEnglish
Pages (from-to)3414-3416
Number of pages3
JournalJournal of Applied Physics
Volume63
Issue number8
DOIs
Publication statusPublished - 1 Dec 1988
Externally publishedYes

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