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

59 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 - 15 Feb 2015
Externally published	Yes

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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), Article 024709. https://doi.org/10.7566/JPSJ.84.024709

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title = "Coexistence of bulk superconductivity and magnetism in CeO1?xFxBiS2",

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.",

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

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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

TY - JOUR

T1 - Coexistence of bulk superconductivity and magnetism in CeO1?xFxBiS2

AU - Demura, Satoshi

AU - Deguchi, Keita

AU - Mizuguchi, Yoshikazu

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

PY - 2015/2/15

Y1 - 2015/2/15

N2 - 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.

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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SN - 0031-9015

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JO - Journal of the Physical Society of Japan

JF - Journal of the Physical Society of Japan

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ER -

Coexistence of bulk superconductivity and magnetism in CeO₁?_xF_xBiS₂

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