Crystal structure of Ca(Fe<sub>0.4</sub>Si<sub>0.6</sub>)O<sub>2.8</sub> oxygen-deficient perovskite
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- KANZAKI Masami
- Institute for Planetary Materials, Okayama University
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説明
<p>The crystal structure of Ca(Fe3+0.4Si0.6)O2.8 oxygen-deficient perovskite phase synthesized at 12 GPa and 1400 °C was studied using synchrotron powder X-ray diffraction. The phase is isostructural to low-pressure phase of Ca(Al0.4Si0.6)O2.8. The structure was refined by the Rietveld method and is consists of a perovskite-like triple-layer of corner-shared (Fe3+,Si)O6 octahedra and a double-layer of SiO4 tetrahedra those are stacked alternatively in the [111] direction of ideal cubic perovskite. Small degree of Fe3+/Si disorder was detected between two octahedral sites. The structure is compared with other oxygen-deficient perovskites.</p>
収録刊行物
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- Journal of the Ceramic Society of Japan
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Journal of the Ceramic Society of Japan 128 (10), 843-846, 2020-10-01
公益社団法人 日本セラミックス協会
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詳細情報 詳細情報について
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- CRID
- 1390848647560704640
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- NII論文ID
- 130007921320
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- NII書誌ID
- AA12229489
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- ISSN
- 13486535
- 18820743
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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