Bulk-sensitive spectroscopic studies on noncentrosymmetric superconducting system of Mg-Ir-B

R. Yoshida, H. Okazaki, K. Iwai, K. Noami, T. Muro, M. Okawa, K. Ishizaka, S. Shin, Z. Li, J. L. Luo, G. Q. Zheng, T. Oguchi, M. Hirai, Y. Muraoka, T. Yokoya

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

We present the data from ultrahigh-resolution laser-excited photoemission spectroscopy on a newly discovered noncentrosymmetric superconductor Mg10Ir19B16. We observed the evidences for the opening of superconducting gap where numerical fittings show that isotropic s-wave model can satisfactorily explain the behavior of spectra near the Fermi level. We also present the valence band photoemission spectrum and B K fluorescence spectrum to discuss the basic electronic structure of Mg10Ir19B16.

Original languageEnglish
Pages (from-to)1034-1036
Number of pages3
JournalPhysica C: Superconductivity and its applications
Volume469
Issue number15-20
DOIs
Publication statusPublished - Oct 15 2009

Keywords

  • Electronic structure
  • Laser photoemission spectroscopy
  • MgIrB
  • Soft X-ray emission spectroscopy

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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