Evolution of superconductivity in LaO1-xFxBiS 2 prepared by high-pressure technique

K. Deguchi, Y. Mizuguchi, S. Demura, H. Hara, T. Watanabe, S. J. Denholme, M. Fujioka, H. Okazaki, T. Ozaki, H. Takeya, T. Yamaguchi, O. Miura, Y. Takano

    Research output: Contribution to journalArticlepeer-review

    108 Citations (Scopus)


    Novel BiS2-based superconductors LaO1-xF xBiS2 prepared by a high-pressure synthesis technique were systematically studied. It was found that the high-pressure annealing strongly shrank the lattice as compared to the LaO1-xFxBiS 2 samples prepared by conventional solid-state reaction at ambient pressure. Bulk superconductivity was observed within a wide F concentration range of x = 0.2-0.7. On the basis of those results, we have established a phase diagram of LaO1-xFxBiS2.

    Original languageEnglish
    Article number17004
    Issue number1
    Publication statusPublished - 2013 Jan

    ASJC Scopus subject areas

    • Physics and Astronomy(all)


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