Rh2Mo3 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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15 Scopus citations

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 languageEnglish (US)
Article number104503
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume94
Issue number10
DOIs
StatePublished - 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). Rh2Mo3 N: Noncentrosymmetric s-wave superconductor. Physical Review B - Condensed Matter and Materials Physics, 94(10), [104503]. https://doi.org/10.1103/PhysRevB.94.104503