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Anisotropic Thermal Expansion and Phase Transition in Sc_2(MoO_4)_3
https://nitech.repo.nii.ac.jp/records/5002
https://nitech.repo.nii.ac.jp/records/5002d0dec3bf-1704-4092-af3a-2c646adae342
名前 / ファイル | ライセンス | アクション |
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本文_fulltext (2.2 MB)
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(c) 2001 The Ceramic Society of Japan
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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 | Anisotropic Thermal Expansion and Phase Transition in Sc_2(MoO_4)_3 | |||||
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 | |||||
その他(別言語等)のタイトル | ||||||
その他のタイトル | Sc_2(MoO_4)_3の異方性熱膨張と相転移 | |||||
著者 |
Fukuda, Koichiro
× Fukuda, Koichiro |
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著者別名 | ||||||
姓名 | 福田, 功一郎 | |||||
書誌情報 |
Journal of the Ceramic Society of Japan 巻 109, 号 1274, p. 846-850, 発行日 2001-10-01 |
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出版者 | ||||||
出版者 | The Ceramic Society of Japan | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09145400 | |||||
書誌レコードID(NCID) | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10040326 | |||||
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 | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Lattice deformation in monoclinic Sc_2(MoO_4)_3, induced by both thermal expansion and phase transition, has been investigated by a matrix algebra analysis. From 4 K to 178 K, one of the principal distortions of the monoclinic lattice (λ_1) invariably showed a positive coefficient of thermal expansion, while the other two distortions λ_2 and λ_3 showed nagative thermal expansion in the temperature region of T<55K (λ_2) and T<35K (λ_3). Because of the bidimensional shrinkage along the latter two axes, volumetric contraction occurred below 30 K. The λ_2-axis coincides with the crystallographic b-axis. The intersection angle between the λ_1-axis and the crystallographic c-axis was ~78.8° at 11 K, and it steadily decreased to ~20.1° with in-creasing temperature up to 178 K. The magnitude of lattice deformation nearly along [3^^-02^^-] is negligibly small. Therefore, the lattice deformation induced by the monoclinic-to-orthorhombic phase transition at 178 K was accompanied essentially by bidimensional expansion along [010] and nearly along [2^^-05^^-], the magnitudes of which are, respectively, ~0.6 and ~0.9%. | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf |