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

doi:10.7566/JPSJ.84.024709

Coexistence of bulk superconductivity and magnetism in CeO₁?_xF_xBiS₂

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 journal › Article › peer-review

48 Citations (Scopus)

Abstract

We show the observation of the coexistence of bulk superconductivity and magnetic ordering in CeO_1-xF_xBiS₂(x = 0 -1.0) prepared by annealing under high pressure. In the CeO_1-xF_xBiS₂ 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 CeO_1-xF_xBiS₂ system.

Original language	English
Article number	024709
Journal	journal of the physical society of japan
Volume	84
Issue number	2
DOIs	https://doi.org/10.7566/JPSJ.84.024709
Publication status	Published - 2015 Feb 15

ASJC Scopus subject areas

Physics and Astronomy(all)

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Demura, S., Deguchi, K., Mizuguchi, Y., Sato, K., Honjyo, R., Yamashita, A., Yamaki, T., Hara, H., Watanabe, T., Denholme, S. J., Fujioka, M., Okazaki, H., Ozaki, T., Miura, O., Yamaguchi, T., Takeya, H., & Takano, Y. (2015). Coexistence of bulk superconductivity and magnetism in CeO₁?_xF_xBiS₂. journal of the physical society of japan, 84(2), [024709]. https://doi.org/10.7566/JPSJ.84.024709

Coexistence of bulk superconductivity and magnetism in CeO₁?_xF_xBiS₂. / Demura, Satoshi; Deguchi, Keita; Mizuguchi, Yoshikazu; Sato, Kazuki; Honjyo, Ryota; Yamashita, Aichi; Yamaki, Takuma; Hara, Hiroshi; Watanabe, Tohru; Denholme, Saleem J.; Fujioka, Masaya; Okazaki, Hiroyuki; Ozaki, Toshinori; Miura, Osuke; Yamaguchi, Takahide; Takeya, Hiroyuki; Takano, Yoshihiko.

In: journal of the physical society of japan, Vol. 84, No. 2, 024709, 15.02.2015.

Research output: Contribution to journal › Article › peer-review

Demura, S, Deguchi, K, Mizuguchi, Y, Sato, K, Honjyo, R, Yamashita, A, Yamaki, T, Hara, H, Watanabe, T, Denholme, SJ, Fujioka, M, Okazaki, H, Ozaki, T, Miura, O, Yamaguchi, T, Takeya, H & Takano, Y 2015, 'Coexistence of bulk superconductivity and magnetism in CeO₁?_xF_xBiS₂', journal of the physical society of japan, vol. 84, no. 2, 024709. https://doi.org/10.7566/JPSJ.84.024709

Demura, Satoshi ; Deguchi, Keita ; Mizuguchi, Yoshikazu ; Sato, Kazuki ; Honjyo, Ryota ; Yamashita, Aichi ; Yamaki, Takuma ; Hara, Hiroshi ; Watanabe, Tohru ; Denholme, Saleem J. ; Fujioka, Masaya ; Okazaki, Hiroyuki ; Ozaki, Toshinori ; Miura, Osuke ; Yamaguchi, Takahide ; Takeya, Hiroyuki ; Takano, Yoshihiko. / Coexistence of bulk superconductivity and magnetism in CeO₁?_xF_xBiS₂. In: journal of the physical society of japan. 2015 ; Vol. 84, No. 2.

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abstract = "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.",

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AU - Demura, Satoshi

AU - Deguchi, Keita

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AU - Sato, Kazuki

AU - Honjyo, Ryota

AU - Yamashita, Aichi

AU - Yamaki, Takuma

AU - Hara, Hiroshi

AU - Watanabe, Tohru

AU - Denholme, Saleem J.

AU - Fujioka, Masaya

AU - Okazaki, Hiroyuki

AU - Ozaki, Toshinori

AU - Miura, Osuke

AU - Yamaguchi, Takahide

AU - Takeya, Hiroyuki

AU - Takano, Yoshihiko

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AB - 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.

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Coexistence of bulk superconductivity and magnetism in CeO₁?_xF_xBiS₂

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