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Local atomic structure and the valence band structure of the rhombic-triacontahedral quasicrystal, its 1/1 approximant, and the Mackay-icosahedral quasicrystal in the Al-Mg-Pd alloy system
http://hdl.handle.net/2237/7147
http://hdl.handle.net/2237/7147a80e4a53-5656-4435-9a76-49a78916b773
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2006-11-30 | |||||
タイトル | ||||||
タイトル | Local atomic structure and the valence band structure of the rhombic-triacontahedral quasicrystal, its 1/1 approximant, and the Mackay-icosahedral quasicrystal in the Al-Mg-Pd alloy system | |||||
言語 | en | |||||
著者 |
Takeuchi, Tsunehiro
× Takeuchi, Tsunehiro× Mizutani, Uichiro× Yamaguchi, Shinji× Fukunaga, Toshiharu× Mizuno, Takayuki× Tanaka, Nobuo |
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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 | Copyright: American Physical Society, All rights reserved. | |||||
抄録 | ||||||
内容記述 | The rhombic-triacontahedral-type quasicrystal (RT-QC), its (1/1, 1/1, 1/1) approximant (RT-1/1) and the Mackay-icosahedral-type quasicrystal (MI-QC) can be formed in the Al-Mg-Pd system. The radial distribution function RDF(r) spectra of the three compounds is derived from neutron diffraction experiments. Powdered x-ray diffraction Rietveld refinement is also carried out to determine the atomic structure of the RT-1/1, and the refined data are converted to the RDF(r). The interatomic distance of the Al-Pd pair in the RT-1/1 and RT-QC is found to be remarkably shortened relative to that calculated from the hard sphere model with Goldschmidt radii. In the MI-QC, the interatomic distance of the Al-Pd pair is further shortened. In addition, the shortening of the interatomic distance is also observed in the Mg-Pd pair. The valence band spectra studied by the x-ray photoemission spectroscopy and soft x-ray spectroscopy clearly show the formation of the bonding and antibonding states associated with the Al-Pd and Mg-Pd atomic pairs in the MI-QC. The results are consistent with the shortening of the interatomic distances derived from the structure analysis. The reason for the possession of the highest resistivity in the MI-QC among the three compounds is attributed to the formation of the covalent bonding between Al-Pd and Mg-Pd atomic pairs. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | The American Physical Society | |||||
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 | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1103/PhysRevB.58.11345 | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 1098-0121 | |||||
書誌情報 |
en : Physical Review B 巻 58, 号 17, p. 11345-11353, 発行日 1998-11 |
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フォーマット | ||||||
application/pdf | ||||||
著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/7147 | |||||
識別子タイプ | HDL |