Coexistence of bulk superconductivity and magnetism in CeO1?xFxBiS2

Satoshi Demura, Keita Deguchi, Yoshikazu Mizuguchi, Kazuki Sato, Ryota Honjyo, Aichi Yamashita, Takuma Yamaki, Hiroshi Hara, Tohru Watanabe, Saleem J. Denholme, Masaya Fujioka, Hiroyuki Okazaki, Toshinori Ozaki, Osuke Miura, Takahide Yamaguchi, Hiroyuki Takeya, Yoshihiko Takano

    Research output: Contribution to journalArticlepeer-review

    48 Citations (Scopus)


    We show the observation of the coexistence of bulk superconductivity and magnetic ordering in CeO1-xFxBiS2(x = 0 -1.0) prepared by annealing under high pressure. In the CeO1-xFxBiS2 system, both superconductivity and two types of ferromagnetic-like ordering with magnetic transition temperatures of 4.5 and 7.5K are induced upon systematic F substitution. This fact suggests that carriers generated by the substitution of O by F are supplied to not only the BiS2 superconducting layers but also the CeO blocking layers. Furthermore, the highest superconducting transition temperature is observed when the ferromagnetic-like transition temperature increases, which implies that superconductivity and this magnetic ordering are linked to each other in the CeO1-xFxBiS2 system.

    Original languageEnglish
    Article number024709
    Journaljournal of the physical society of japan
    Issue number2
    Publication statusPublished - 2015 Feb 15

    ASJC Scopus subject areas

    • Physics and Astronomy(all)


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