Unconventional superconductivity in CeIn3: 115In-NQR study under pressure

Shinji Kawasaki, Yu Kawasaki, Takeshi Mito, Guo Qing Zheng, Yoshio Kitaoka, Shingo Araki, Rikio Settai, Yoshichika Onuki

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)

Abstract

We report evidences for bulk nature and unconventional superconductivity in CeIn3 at P = 2.65 GPa revealed by the measurements of nuclear-spin-lattice-relaxation time (T1) and ac-susceptibility (ac-χ). Both the measurements of ac-χ and T1 have pointed to a superconducting transition at T = 95 mK, which is very much lower than an onset temperature Tonset = 0.15 K at zero resistance. The temperature dependence of 1/T1 shows no coherence peak just below Tc, indicative of an unconventional nature for the superconductivity.

Original languageEnglish
Pages (from-to)541-542
Number of pages2
JournalPhysica C: Superconductivity and its applications
Volume388-389
DOIs
Publication statusPublished - May 1 2003
Externally publishedYes
Eventproceedings of the 23rd international conference on low temper - Hiroshima, Japan
Duration: Aug 20 2002Aug 27 2002

Keywords

  • CeIn
  • Heavy-fermion
  • NQR
  • Pressure-induced superconductivity

ASJC Scopus subject areas

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

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