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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 |
|---|---|---|
本文_fulltext (2.2 MB)
|
(c) 2001 The Ceramic Society of Japan
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||||
|---|---|---|---|---|---|---|---|---|
| 公開日 | 2012-11-06 | |||||||
| タイトル | ||||||||
| タイトル | Anisotropic Thermal Expansion and Phase Transition in Sc_2(MoO_4)_3 | |||||||
| 言語 | en | |||||||
| 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 | |||||||
| 言語 | ja | |||||||
| 著者 |
Fukuda, Koichiro
× Fukuda, Koichiro
|
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| 著者別名 | ||||||||
| 姓名 | 福田, 功一郎 | |||||||
| bibliographic_information |
en : 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 | |||||||
| 言語 | en | |||||||
| ISSN | ||||||||
| 収録物識別子タイプ | ISSN | |||||||
| 収録物識別子 | 0914-5400 | |||||||
| item_10001_source_id_32 | ||||||||
| 収録物識別子タイプ | NCID | |||||||
| 収録物識別子 | AN10040326 | |||||||
| 出版タイプ | ||||||||
| 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%. | |||||||
| 言語 | en | |||||||
