Unconventional superconductivity in PuRhGa5: Ga NMR/NQR study

H. Sakai, Y. Tokunaga, T. Fujimoto, S. Kambe, R. E. Walstedt, H. Yasuoka, Dai Aoki, Yoshiya Homma, E. Yamamoto, A. Nakamura, Y. Shiokawa, K. Nakajima, Y. Arai, T. D. Matsuda, Y. Haga, Y. Onuki

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

69,71Ga NMR/NQR studies have been performed on a single crystal of the transuranium superconductor PuRhGa5 with Tc ≃ 9 K. The spin-lattice relaxation rate 1 / T1 reveals that PuRhGa5 is an unconventional superconductor having an anisotropic superconducting gap. Moreover, Korringa behavior ( 1 / T1 T = const. ) is observed in the normal state below ∼ 30 K. This result suggests that the superconductivity sets in after the formation of a Fermi liquid state in this compound.

Original languageEnglish
Pages (from-to)1005-1006
Number of pages2
JournalPhysica B: Condensed Matter
Volume378-380
Issue numberSPEC. ISS.
DOIs
Publication statusPublished - 2006 May 1

Keywords

  • NMR/NQR
  • PuRhGa
  • Superconductivity

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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    Sakai, H., Tokunaga, Y., Fujimoto, T., Kambe, S., Walstedt, R. E., Yasuoka, H., Aoki, D., Homma, Y., Yamamoto, E., Nakamura, A., Shiokawa, Y., Nakajima, K., Arai, Y., Matsuda, T. D., Haga, Y., & Onuki, Y. (2006). Unconventional superconductivity in PuRhGa5: Ga NMR/NQR study. Physica B: Condensed Matter, 378-380(SPEC. ISS.), 1005-1006. https://doi.org/10.1016/j.physb.2006.01.385