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High-energy-resolution XANES of layered oxides for sodium-ion battery
https://repo.qst.go.jp/records/75559
https://repo.qst.go.jp/records/75559db0f2386-ec2d-4e10-8634-1a5af35abd0d
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-01-22 | |||||
タイトル | ||||||
タイトル | High-energy-resolution XANES of layered oxides for sodium-ion battery | |||||
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 | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Niwa, Hideharu
× Niwa, Hideharu× Higashiyama, Kazuyuki× Amaha, Karol× Kobayashi, Wataru× Ishii, Kenji× Moritomo, Yutaka× Ishii, Kenji |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The 3d transition metal oxides with layered structures, NaxMO2 (M = Mn, Co), are promising cathode materials for Na-ion secondary batteries. Here, we investigate the electronic structure of the M of four layered oxides (Na0.91CoO2, Na0.66CoO2, Na1.00MnO2, and Na0.54MnO2) by means of high energy resolution fluorescence detected X-ray absorption near-edge structure, which utilizes the 1s core-hole lifetime-broadening reduction. The highly energy-resolved spectroscopy reveals a shoulder structure in the pre-edge regions of the Co K-edge spectra in Na0.91CoO2. The structure is ascribed to the transition to the Co 3d/4p states via slight hybridization with the Na 3s state. | |||||
書誌情報 |
Applied Physics Express 巻 12, 号 5, p. 052005-1-052005-5, 発行日 2019-04 |
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出版者 | ||||||
出版者 | IOP Science | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1882-0778 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.7567/1882-0786/ab10cd | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://iopscience.iop.org/article/10.7567/1882-0786/ab10cd |