Combining photoemission and optical spectroscopies for reliable valence determination in YbS and Yb metal

M. Matsunami; A. Chainani; M. Taguchi; R. Eguchi; Y. Ishida; Y. Takata; H. Okamura; T. Nanba; M. Yabashi; K. Tamasaku; Y. Nishino; T. Ishikawa; Y. Senba; H. Ohashi; N. Tsujii; A. Ochiai; S. Shin

doi:10.1103/PhysRevB.78.195118

Combining photoemission and optical spectroscopies for reliable valence determination in YbS and Yb metal

M. Matsunami
, A. Chainani
, M. Taguchi
, R. Eguchi
, Y. Ishida
, Y. Takata
, H. Okamura
, T. Nanba
, M. Yabashi
, K. Tamasaku
, Y. Nishino
, T. Ishikawa
, Y. Senba
, H. Ohashi
, N. Tsujii
, A. Ochiai
, S. Shin

物理學系

研究成果: Article › 同行評審

25 引文斯高帕斯（Scopus）

摘要

Hard x-ray photoemission and optical spectroscopies have been performed on YbS and Yb metal to determine the precise f -electron occupation. A comparison of the photoemission spectra with the energy-loss functions in bulk and surface, obtained from optical reflectivity, enables us to distinguish between the energy-loss satellite of Yb2+ peak and the Yb3+ multiplet. The results clearly indicate a purely divalent Yb state except for the surface of YbS which is altered by oxidation. We demonstrate that the present method is highly reliable in identifying the electronic structure and the mean valence in f -electron systems.

原文	English
文章編號	195118
期刊	Physical Review B - Condensed Matter and Materials Physics
卷	78
發行號	19
DOIs	https://doi.org/10.1103/PhysRevB.78.195118
出版狀態	Published - 2008 11月 19

All Science Journal Classification (ASJC) codes

電子、光磁材料
凝聚態物理學

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10.1103/PhysRevB.78.195118

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Matsunami, M., Chainani, A., Taguchi, M., Eguchi, R., Ishida, Y., Takata, Y., Okamura, H., Nanba, T., Yabashi, M., Tamasaku, K., Nishino, Y., Ishikawa, T., Senba, Y., Ohashi, H., Tsujii, N., Ochiai, A., & Shin, S. (2008). Combining photoemission and optical spectroscopies for reliable valence determination in YbS and Yb metal. Physical Review B - Condensed Matter and Materials Physics, 78(19), 文章 195118. https://doi.org/10.1103/PhysRevB.78.195118

@article{9a0061160ab747479fa034ac2beb3b03,

title = "Combining photoemission and optical spectroscopies for reliable valence determination in YbS and Yb metal",

abstract = "Hard x-ray photoemission and optical spectroscopies have been performed on YbS and Yb metal to determine the precise f -electron occupation. A comparison of the photoemission spectra with the energy-loss functions in bulk and surface, obtained from optical reflectivity, enables us to distinguish between the energy-loss satellite of Yb2+ peak and the Yb3+ multiplet. The results clearly indicate a purely divalent Yb state except for the surface of YbS which is altered by oxidation. We demonstrate that the present method is highly reliable in identifying the electronic structure and the mean valence in f -electron systems.",

author = "M. Matsunami and A. Chainani and M. Taguchi and R. Eguchi and Y. Ishida and Y. Takata and H. Okamura and T. Nanba and M. Yabashi and K. Tamasaku and Y. Nishino and T. Ishikawa and Y. Senba and H. Ohashi and N. Tsujii and A. Ochiai and S. Shin",

note = "Funding Information: I to thank Mr. Ugyen Thinley, Royal Institute of Management (PGDFM Trainee), Thimphu, for conducting personal interview with Government officials and other stakeholders for the purpose of this paper. Secondly, I also thank Mr. Thuji Dorji Nadik, Tourism Council of Bhutan, for his support and cooperation extended to my email interview. My heartfelt thank also goes to Mr. Istvan Harnadi, Sr. Lecturer (Gedu College of Business Studies, Royal University of Bhutan) for his support in completing this paper.",

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month = nov,

day = "19",

doi = "10.1103/PhysRevB.78.195118",

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journal = "Physical Review B - Condensed Matter and Materials Physics",

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Matsunami, M, Chainani, A, Taguchi, M, Eguchi, R, Ishida, Y, Takata, Y, Okamura, H, Nanba, T, Yabashi, M, Tamasaku, K, Nishino, Y, Ishikawa, T, Senba, Y, Ohashi, H, Tsujii, N, Ochiai, A & Shin, S 2008, 'Combining photoemission and optical spectroscopies for reliable valence determination in YbS and Yb metal', Physical Review B - Condensed Matter and Materials Physics, 卷 78, 編號 19, 195118. https://doi.org/10.1103/PhysRevB.78.195118

TY - JOUR

T1 - Combining photoemission and optical spectroscopies for reliable valence determination in YbS and Yb metal

AU - Matsunami, M.

AU - Chainani, A.

AU - Taguchi, M.

AU - Eguchi, R.

AU - Ishida, Y.

AU - Takata, Y.

AU - Okamura, H.

AU - Nanba, T.

AU - Yabashi, M.

AU - Tamasaku, K.

AU - Nishino, Y.

AU - Ishikawa, T.

AU - Senba, Y.

AU - Ohashi, H.

AU - Tsujii, N.

AU - Ochiai, A.

AU - Shin, S.

N1 - Funding Information: I to thank Mr. Ugyen Thinley, Royal Institute of Management (PGDFM Trainee), Thimphu, for conducting personal interview with Government officials and other stakeholders for the purpose of this paper. Secondly, I also thank Mr. Thuji Dorji Nadik, Tourism Council of Bhutan, for his support and cooperation extended to my email interview. My heartfelt thank also goes to Mr. Istvan Harnadi, Sr. Lecturer (Gedu College of Business Studies, Royal University of Bhutan) for his support in completing this paper.

PY - 2008/11/19

Y1 - 2008/11/19

N2 - Hard x-ray photoemission and optical spectroscopies have been performed on YbS and Yb metal to determine the precise f -electron occupation. A comparison of the photoemission spectra with the energy-loss functions in bulk and surface, obtained from optical reflectivity, enables us to distinguish between the energy-loss satellite of Yb2+ peak and the Yb3+ multiplet. The results clearly indicate a purely divalent Yb state except for the surface of YbS which is altered by oxidation. We demonstrate that the present method is highly reliable in identifying the electronic structure and the mean valence in f -electron systems.

AB - Hard x-ray photoemission and optical spectroscopies have been performed on YbS and Yb metal to determine the precise f -electron occupation. A comparison of the photoemission spectra with the energy-loss functions in bulk and surface, obtained from optical reflectivity, enables us to distinguish between the energy-loss satellite of Yb2+ peak and the Yb3+ multiplet. The results clearly indicate a purely divalent Yb state except for the surface of YbS which is altered by oxidation. We demonstrate that the present method is highly reliable in identifying the electronic structure and the mean valence in f -electron systems.

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JF - Physical Review B - Condensed Matter and Materials Physics

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M1 - 195118

ER -

Combining photoemission and optical spectroscopies for reliable valence determination in YbS and Yb metal

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