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

doi:10.1016/j.physc.2009.05.175

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 journal › Article

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 language	English
Pages (from-to)	1034-1036
Number of pages	3
Journal	Physica C: Superconductivity and its applications
Volume	469
Issue number	15-20
DOIs	https://doi.org/10.1016/j.physc.2009.05.175
Publication status	Published - 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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Yoshida, R., Okazaki, H., Iwai, K., Noami, K., Muro, T., Okawa, M., Ishizaka, K., Shin, S., Li, Z., Luo, J. L., Zheng, G. Q., Oguchi, T., Hirai, M., Muraoka, Y., & Yokoya, T. (2009). Bulk-sensitive spectroscopic studies on noncentrosymmetric superconducting system of Mg-Ir-B. Physica C: Superconductivity and its applications, 469(15-20), 1034-1036. https://doi.org/10.1016/j.physc.2009.05.175

Bulk-sensitive spectroscopic studies on noncentrosymmetric superconducting system of Mg-Ir-B. / Yoshida, R.; Okazaki, H.; Iwai, K.; Noami, K.; Muro, T.; Okawa, M.; Ishizaka, K.; Shin, S.; Li, Z.; Luo, J. L.; Zheng, G. Q.; Oguchi, T.; Hirai, M.; Muraoka, Y.; Yokoya, T.

In: Physica C: Superconductivity and its applications, Vol. 469, No. 15-20, 15.10.2009, p. 1034-1036.

Research output: Contribution to journal › Article

Yoshida, R, Okazaki, H, Iwai, K, Noami, K, Muro, T, Okawa, M, Ishizaka, K, Shin, S, Li, Z, Luo, JL, Zheng, GQ, Oguchi, T, Hirai, M, Muraoka, Y & Yokoya, T 2009, 'Bulk-sensitive spectroscopic studies on noncentrosymmetric superconducting system of Mg-Ir-B', Physica C: Superconductivity and its applications, vol. 469, no. 15-20, pp. 1034-1036. https://doi.org/10.1016/j.physc.2009.05.175

Yoshida, R. ; Okazaki, H. ; Iwai, K. ; Noami, K. ; Muro, T. ; Okawa, M. ; Ishizaka, K. ; Shin, S. ; Li, Z. ; Luo, J. L. ; Zheng, G. Q. ; Oguchi, T. ; Hirai, M. ; Muraoka, Y. ; Yokoya, T. / Bulk-sensitive spectroscopic studies on noncentrosymmetric superconducting system of Mg-Ir-B. In: Physica C: Superconductivity and its applications. 2009 ; Vol. 469, No. 15-20. pp. 1034-1036.

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title = "Bulk-sensitive spectroscopic studies on noncentrosymmetric superconducting system of Mg-Ir-B",

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.",

keywords = "Electronic structure, Laser photoemission spectroscopy, MgIrB, Soft X-ray emission spectroscopy",

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

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AU - Yoshida, R.

AU - Okazaki, H.

AU - Iwai, K.

AU - Noami, K.

AU - Muro, T.

AU - Okawa, M.

AU - Ishizaka, K.

AU - Shin, S.

AU - Li, Z.

AU - Luo, J. L.

AU - Zheng, G. Q.

AU - Oguchi, T.

AU - Hirai, M.

AU - Muraoka, Y.

AU - Yokoya, T.

PY - 2009/10/15

Y1 - 2009/10/15

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AB - 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.

KW - Electronic structure

KW - Laser photoemission spectroscopy

KW - MgIrB

KW - Soft X-ray emission spectroscopy

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