Superconducting state of layered superconductor κ-(ET) 4Hg2.89Br8 under magnetic field parallel to the conducting plane

E. Ohmichi, T. Ishiguro, T. Sakon, T. Sasaki, M. Motokawa, R. B. Lyubovskii, R. N. Lyubovskaya

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The upper critical field of κ-(ET)4Hg 2.89Br8 was measured under a parallel magnetic field up to 24 T in the temperature region down to 0.5 K. The data obtained at 0.5 K indicate that the upper critical field tends to saturate toward 0 K but exceeds the Pauli limit by more than two times. The anisotropy of the upper critical field within the superconducting plane was not observed. The implication of the high upper critical field is discussed.

Original languageEnglish
Pages (from-to)505-509
Number of pages5
JournalJournal of Superconductivity and Novel Magnetism
Volume12
Issue number3
Publication statusPublished - 1999 Dec 1

Keywords

  • BEDT-TTF
  • Layered structure
  • Organic superconductor
  • Pauli limit
  • Upper critical field

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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    Ohmichi, E., Ishiguro, T., Sakon, T., Sasaki, T., Motokawa, M., Lyubovskii, R. B., & Lyubovskaya, R. N. (1999). Superconducting state of layered superconductor κ-(ET) 4Hg2.89Br8 under magnetic field parallel to the conducting plane. Journal of Superconductivity and Novel Magnetism, 12(3), 505-509.