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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Soft x-ray photoemission study of the Heusler-type Fe_2VAl_1-zGe_z alloys

http://hdl.handle.net/2237/9386
http://hdl.handle.net/2237/9386
b266292a-f1c1-45ce-a04b-b7cbf8a035cd
名前 / ファイル ライセンス アクション
procICESS10_061019.pdf procICESS10_061019.pdf (204.4 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2008-01-29
タイトル
タイトル Soft x-ray photoemission study of the Heusler-type Fe_2VAl_1-zGe_z alloys
言語 en
著者 MIYAZAKI, Hidetoshi

× MIYAZAKI, Hidetoshi

WEKO 21780

en MIYAZAKI, Hidetoshi

Search repository
SODA, Kazuo

× SODA, Kazuo

WEKO 21781

en SODA, Kazuo

Search repository
KATO, Masahiko

× KATO, Masahiko

WEKO 21782

en KATO, Masahiko

Search repository
YAGI, Shinya

× YAGI, Shinya

WEKO 21783

en YAGI, Shinya

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 This is the author’s version of a work accepted for publication by Elsevier. Changes resulting from the publishing process, including peer review, editing, corrections, structural formatting and other quality control mechanisms, may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Electron Spectroscopy and Related Phenomena. v.156-158, 2007, http://dx.doi.org/10.1016/j.elspec.2007.01.001
キーワード
主題Scheme Other
主題 Soft X-ray photoemission spectroscopy
キーワード
主題Scheme Other
主題 Valence band electronic structure
キーワード
主題Scheme Other
主題 V 2p core level
キーワード
主題Scheme Other
主題 Fe_2VAl_1−zGe_z
キーワード
主題Scheme Other
主題 Heusler-type alloys
キーワード
主題Scheme Other
主題 Thermoelectric properties
抄録
内容記述 The valence-band electronic structures of the Heusler-type alloys Fe_2VAl_1-zGe_z (z = 0 - 0.10) have been investigated with high-resolution soft x-ray photoemission spectroscopy. The overall photoelectron spectral feature of Fe_2VAl_1-zGe_z with the Ge content z up to 0.10 is not so much changed, except for the main 3d band in the region from the Fermi level E_F to the binding energy E_B≅1 eV. For z = 0.05, the leading edge of the main band is shifted by ~ 0.07 eV, but the shift is much smaller than expected within a rigid band model for a calculated band structure. For z = 0.10, a band at E_B≅ 0.5 eV becomes prominent and the intensity of the Fermi edge is increased. The change in the valence band spectrum near E_F suggests the rigid-band-like shift of the 3d bands and the appearance of new 3d states in the pseudogap, which may qualitatively explain the z-dependence of the thermoelectric properties. As z increases, the V 2p spectra show a shift towards the high binding energy and the evolution of a shoulder structure on the low binding energy side of the main line. The shoulder structure is attributed to the charge transfer to the V site induced by the Ge substitution as well as the surface effect. The change in the valence-band electronic structure is discussed in terms of the interaction between the substituted Ge and its surrounding constituent atoms.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Elsevier
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1016/j.elspec.2007.01.001
ISSN
収録物識別子タイプ PISSN
収録物識別子 03682048
書誌情報 en : Journal of Electron Spectroscopy and Related Phenomena

巻 156-158, p. 347-350, 発行日 2007
フォーマット
application/pdf
著者版フラグ
値 author
URI
識別子 http://hdl.handle.net/2237/9386
識別子タイプ HDL
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