Field dependence of magnetic transitions for magnetic superconductors RNi2B2C (R=Dy, Ho)

H. C. Ku*, M. S. Lin, Y. Y. Hsu, J. H. Shieh, Y. B. You

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


High field (up to 5 T) magnetization measurements were performed on both bulk and field-aligned powder samples of RNi2B2C (R=Dy, Ho) magnetic superconductors. For Tc=3.8 K, a DyNi2B2C superconductor with antiferromagnetic Néel temperature TN of 10-11 K, and anomalous field-induced weak-ferromagnetic transitions were observed above the superconducting upper critical field Hc2(2 K) of 1.75 kG. The aligned powders show distinct hysteresis characteristics for both fields applied parallel and perpendicular to the tetragonal basal plane. For Tc=7.8 K, HoNi2B2C has an incommensurate magnetic ordering temperature Tm of 6 K and TN of 5.2 K. Anomalous field-induced weak-ferromagnetic transitions were also observed below TN. No hysteresis can be detected for TN<T<Tm.

Original languageEnglish
Pages (from-to)5863-5865
Number of pages3
JournalJournal of Applied Physics
Issue number8 PART 2B
Publication statusPublished - 1996 Apr 15
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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