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Spontaneous formation of suboxidic coordination around Co in ferromagnetic rutile Ti0.95Co0.05O2 film
http://hdl.handle.net/2298/38162
http://hdl.handle.net/2298/3816281e968e4-d7ac-4499-afd1-c7c2c25eac67
名前 / ファイル | ライセンス | アクション |
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APL106_222403.pdf (1.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-09-19 | |||||
タイトル | ||||||
タイトル | Spontaneous formation of suboxidic coordination around Co in ferromagnetic rutile Ti0.95Co0.05O2 film | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
著者 |
Hu, Wen
× Hu, Wen× 林, 好一× Fukumura, Tomoteru× Akagi, Kazuto× Tsukada, Masaru× 八方, 直久× Hosokawa, Shinya× Ohwada, Kenji× Takahasi, Masamitu× Suzuki, Motohiro× Kawasaki, Masashi |
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別言語の著者 |
細川, 伸也
× 細川, 伸也 |
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内容記述 | ||||||
内容記述 | To evaluate local atomic structures around Co in high temperature diluted ferromagnetic semiconductor Co-doped TiO2, x-ray fluorescence holography and x-ray absorption fine structure experiments were carried out on rutile paramagnetic Ti0.99Co0.01O2 and ferromagnetic Ti0.95Co0.05O2 films. The Co atoms in the Ti0.99Co0.01O2 simply substituted for Ti sites in the rutile structure, whereas a suboxidic arrangement of CoO2Ti4 formed around Co in the Ti0.95Co0.05O2 films. A theoretical investigation based on a series of first-principles calculations indicated the stability of the aggregated suboxidic clusters in the rutile TiO2, supporting our hypothesis for the formation of suboxidic coordination in the highly Co-doped sample. The suboxidic coordination may be the source of strong exchange interaction, resulting in the high Curie temperature in Co-doped TiO2. | |||||
書誌情報 |
Applied Physics Letters 巻 106, p. 222403, 発行年 2015-06-02 |
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DOI | ||||||
関連タイプ | isIdenticalTo | |||||
関連識別子 | http://dx.doi.org/10.1063/1.4921847 | |||||
権利 | ||||||
権利情報 | © 2015 AIP Publishing LLC. | |||||
フォーマット | ||||||
内容記述 | application/pdf | |||||
形態 | ||||||
1280490 bytes | ||||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
日本十進分類法 | ||||||
主題 | 431.8 | |||||
出版者 | ||||||
出版者 | AIP Publishing | |||||
資源タイプ | ||||||
内容記述 | 論文(Article) | |||||
資源タイプ・ローカル | ||||||
雑誌掲載論文 | ||||||
資源タイプ・NII | ||||||
Journal Article | ||||||
資源タイプ・DCMI | ||||||
text | ||||||
資源タイプ・ローカル表示コード | ||||||
01 | ||||||
URL | ||||||
内容記述 | http://aip.scitation.org/doi/10.1063/1.4921847 |