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High-resolution soft x-ray photoelectron study of density of states and thermoelectric properties of the Heusler-type alloys (Fe2 3V1 3)100-yAly
https://nitech.repo.nii.ac.jp/records/5256
https://nitech.repo.nii.ac.jp/records/5256f6418de1-f9e9-4abe-be8d-d4dc31585920
名前 / ファイル | ライセンス | アクション |
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本文_fulltext (105.8 kB)
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(c)2005 The American Physical Society
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2012-11-06 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | High-resolution soft x-ray photoelectron study of density of states and thermoelectric properties of the Heusler-type alloys (Fe2 3V1 3)100-yAly | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Soda, K.
× Soda, K.× Murayama, H.× Shimba, K.× Yagi, S.× Yuhara, J.× Takeuchi, T.× Mizutani, U.× Sumi, H.× Kato, M.× Kato, H.× Nishino, Yoichi× Sekiyama, A.× Suga, S.× Matsushita, T.× Saito, Y. |
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著者別名 | ||||||
姓名 | 西野, 洋一 | |||||
書誌情報 |
PHYSICAL REVIEW B 巻 71, 号 24, p. 245112-1-245112-6, 発行日 2005-06-24 |
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出版者 | ||||||
出版者 | American Physical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 10980121 | |||||
書誌レコードID(NCID) | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11187113 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | http://dx.doi.org/10.1103/PhysRevB.71.245112 | |||||
関連名称 | 10.1103/PhysRevB.71.245112 | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | The high-resolution soft x-ray photoelectron study of Heusler(L21)-type (Fe2 3V1 3)100-yAly (y=23.8-25.8) alloys directly confirms the correlation between their thermoelectric properties and the electronic structures near the Fermi level. It shows the rigid-band-like shift of the main 3d bands and the increase of the photoelectron intensity at the Fermi edge with the small deviation of the Al content from stoichiometry, i.e., y=25.0. This implies the existence of the pseudogap across the Fermi level in Fe2VAl. The Seebeck coefficients evaluated from the present spectroscopic data agree well with the experimental ones as well as the values estimated from a theoretical density of states in a rigid-band model, while the shift is much smaller than what is expected in the rigid-band model. The small modification of the electronic structure in the off-stoichiometric (Fe2 3V1 3)100-yAly alloys may be attributed to the lower contribution of Al to the electronic states near EF. | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf |