Rh                         2                         Mo                         3                          N: Noncentrosymmetric s-wave superconductor

Wensen Wei; G. J. Zhao; D. R. Kim; Chiming Jin; J. L. Zhang; Langsheng Ling; Lei Zhang; Haifeng Du; Tingyong Chen; Jiadong Zang; Mingliang Tian; C. L. Chien; Yuheng Zhang

doi:10.1103/PhysRevB.94.104503

Rh ₂ Mo ₃ N: Noncentrosymmetric s-wave superconductor

Wensen Wei, G. J. Zhao, D. R. Kim, Chiming Jin, J. L. Zhang, Langsheng Ling, Lei Zhang, Haifeng Du, Tingyong Chen, Jiadong Zang, Mingliang Tian, C. L. Chien, Yuheng Zhang

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Abstract

Rh2Mo3N, with a noncentrosymmetric β-manganese structure, has been found to be superconducting with critical temperature Tc≈4.3K. Magnetic field dependence of resistivity, magnetization, and specific heat measurements show that its upper critical field of μ0Hc2∗∼7.41T comes close to, but does not exceed, the Pauli paramagnetic limit and that the 2Δ/kBTc value of about 3.62 is in accordance with a conventional s-wave superconductor. Andreev reflection spectroscopy measurements using both normal metal and half-metal show conclusively s-wave pairing with an isotropic gap.

Original language	English (US)
Article number	104503
Journal	Physical Review B
Volume	94
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevB.94.104503
State	Published - Sep 7 2016

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Wei, W., Zhao, G. J., Kim, D. R., Jin, C., Zhang, J. L., Ling, L., Zhang, L., Du, H., Chen, T., Zang, J., Tian, M., Chien, C. L., & Zhang, Y. (2016). Rh ₂ Mo ₃ N: Noncentrosymmetric s-wave superconductor. Physical Review B, 94(10), Article 104503. https://doi.org/10.1103/PhysRevB.94.104503

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title = "Rh 2 Mo 3 N: Noncentrosymmetric s-wave superconductor",

abstract = "Rh2Mo3N, with a noncentrosymmetric β-manganese structure, has been found to be superconducting with critical temperature Tc≈4.3K. Magnetic field dependence of resistivity, magnetization, and specific heat measurements show that its upper critical field of μ0Hc2∗∼7.41T comes close to, but does not exceed, the Pauli paramagnetic limit and that the 2Δ/kBTc value of about 3.62 is in accordance with a conventional s-wave superconductor. Andreev reflection spectroscopy measurements using both normal metal and half-metal show conclusively s-wave pairing with an isotropic gap.",

author = "Wensen Wei and Zhao, {G. J.} and Kim, {D. R.} and Chiming Jin and Zhang, {J. L.} and Langsheng Ling and Lei Zhang and Haifeng Du and Tingyong Chen and Jiadong Zang and Mingliang Tian and Chien, {C. L.} and Yuheng Zhang",

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doi = "10.1103/PhysRevB.94.104503",

language = "English (US)",

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T1 - Rh 2 Mo 3 N

T2 - Noncentrosymmetric s-wave superconductor

AU - Wei, Wensen

AU - Zhao, G. J.

AU - Kim, D. R.

AU - Jin, Chiming

AU - Zhang, J. L.

AU - Ling, Langsheng

AU - Zhang, Lei

AU - Du, Haifeng

AU - Chen, Tingyong

AU - Zang, Jiadong

AU - Tian, Mingliang

AU - Chien, C. L.

AU - Zhang, Yuheng

PY - 2016/9/7

Y1 - 2016/9/7

N2 - Rh2Mo3N, with a noncentrosymmetric β-manganese structure, has been found to be superconducting with critical temperature Tc≈4.3K. Magnetic field dependence of resistivity, magnetization, and specific heat measurements show that its upper critical field of μ0Hc2∗∼7.41T comes close to, but does not exceed, the Pauli paramagnetic limit and that the 2Δ/kBTc value of about 3.62 is in accordance with a conventional s-wave superconductor. Andreev reflection spectroscopy measurements using both normal metal and half-metal show conclusively s-wave pairing with an isotropic gap.

AB - Rh2Mo3N, with a noncentrosymmetric β-manganese structure, has been found to be superconducting with critical temperature Tc≈4.3K. Magnetic field dependence of resistivity, magnetization, and specific heat measurements show that its upper critical field of μ0Hc2∗∼7.41T comes close to, but does not exceed, the Pauli paramagnetic limit and that the 2Δ/kBTc value of about 3.62 is in accordance with a conventional s-wave superconductor. Andreev reflection spectroscopy measurements using both normal metal and half-metal show conclusively s-wave pairing with an isotropic gap.

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Rh ₂ Mo ₃ N: Noncentrosymmetric s-wave superconductor

Abstract

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