Investigation of the Electronic Structure of the Mg99.2Zn0.2Y0.6 Alloy Using X-ray Photoelectron Spectroscopy

Hidetoshi Miyazaki; Tatsuyoshi Akatsuka; Koji Kimura; Daisuke Egusa; Yohei K. Sato; Mitsuhiro Itakura; Yasumasa Takagi; Akira Yasui; Kenichi Ozawa; Kazuhiko Mase; Toko Tokunaga; Kouichi Hayashi; Koji Hagihara; Eiji Abe

doi:10.2320/matertrans.MT-MD2022019

Materials Physics

Investigation of the Electronic Structure of the Mg_99.2Zn_0.2Y_0.6 Alloy Using X-ray Photoelectron Spectroscopy

Hidetoshi Miyazaki, Tatsuyoshi Akatsuka, Koji Kimura, Daisuke Egusa, Yohei K. Sato, Mitsuhiro Itakura, Yasumasa Takagi, Akira Yasui, Kenichi Ozawa, Kazuhiko Mase, Toko Tokunaga, Kouichi Hayashi, Koji Hagihara, Eiji Abe

Author information

Hidetoshi Miyazaki
Department of Physical Science and Engineering, Nagoya Institute of Technology
Tatsuyoshi Akatsuka
Department of Physical Science and Engineering, Nagoya Institute of Technology
Koji Kimura
Department of Physical Science and Engineering, Nagoya Institute of Technology
Daisuke Egusa
Department of Materials Science and Engineering, The University of Tokyo
Yohei K. Sato
Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
Mitsuhiro Itakura
Japan Atomic Energy Agency
Yasumasa Takagi
JASRI/SPring-8
Akira Yasui
JASRI/SPring-8
Kenichi Ozawa
Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
SOKENDAI (The Graduate University for Advanced Studies)
Kazuhiko Mase
Institute of Materials Structure Science, High Energy Accelerator Research Organization (KEK)
SOKENDAI (The Graduate University for Advanced Studies)
Toko Tokunaga
Department of Physical Science and Engineering, Nagoya Institute of Technology
Kouichi Hayashi
Department of Physical Science and Engineering, Nagoya Institute of Technology
Koji Hagihara
Department of Physical Science and Engineering, Nagoya Institute of Technology
Eiji Abe
Department of Materials Science and Engineering, The University of Tokyo

Keywords: Mg_99.2Zn_0.2Y_0.6 alloy, X-ray photoemission spectroscopy, electronic structure, pseudogap

JOURNAL FREE ACCESS FULL-TEXT HTML

2023 Volume 64 Issue 6 Pages 1194-1198

DOI https://doi.org/10.2320/matertrans.MT-MD2022019

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Abstract

We investigated the electronic structure of the Mg_99.2Zn_0.2Y_0.6 alloy using hard and soft X-ray photoemission spectroscopy and electronic band structure calculations to understand the mechanism of the phase stability of this material. Electronic structure of the Mg_99.2Zn_0.2Y_0.6 alloy showed a semi-metallic electronic structure with a pseudo-gap at the Fermi level. The observed electronic structure of the Mg_99.2Zn_0.2Y_0.6 alloy suggests that the presence of a pseudogap structure is responsible for phase stability.

Fig. 4 Valence band photoemission spectra in the wide (a) and narrow (b) binding energy range for hν = 702 and 7940 eV, and the calculated DOS of the Mg. Fullsize Image

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