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  1. 原著論文

Valence Control of Charge and Orbital Frustrated System YbFe2O4 with Electrochemical Li+ intercalation

https://repo.qst.go.jp/records/84839
https://repo.qst.go.jp/records/84839
71c6a128-a5a3-4c5f-aa2d-ff1a38d3857e
Item type 学術雑誌論文 / Journal Article(1)
公開日 2021-06-14
タイトル
タイトル Valence Control of Charge and Orbital Frustrated System YbFe2O4 with Electrochemical Li+ intercalation
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 Murase, Satoshi

× Murase, Satoshi

WEKO 1023507

Murase, Satoshi

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Yoshikawa, Yumi

× Yoshikawa, Yumi

WEKO 1023508

Yoshikawa, Yumi

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Kosuke, Fujiwara

× Kosuke, Fujiwara

WEKO 1023509

Kosuke, Fujiwara

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Fukada, Yukimasa

× Fukada, Yukimasa

WEKO 1023510

Fukada, Yukimasa

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Teranishi, Takeshi

× Teranishi, Takeshi

WEKO 1023511

Teranishi, Takeshi

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Kano, Jun

× Kano, Jun

WEKO 1023512

Kano, Jun

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Fujii, Tatsuo

× Fujii, Tatsuo

WEKO 1023513

Fujii, Tatsuo

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Inada, Yasuhiro

× Inada, Yasuhiro

WEKO 1023514

Inada, Yasuhiro

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Katayama, Misaki

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WEKO 1023515

Katayama, Misaki

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Yoshii, Kenji

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WEKO 1023516

Yoshii, Kenji

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Tsujii, Takuya

× Tsujii, Takuya

WEKO 1023517

Tsujii, Takuya

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Matsumura, Daiju

× Matsumura, Daiju

WEKO 1023518

Matsumura, Daiju

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Ikeda, Naoshi

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WEKO 1023519

Ikeda, Naoshi

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Kosuke, Fujiwara

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WEKO 1023520

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抄録
内容記述タイプ Abstract
内容記述 We report a trial of the valence control for mixed valence iron triangular oxide YbFe2O4 in order to develop an effective technique to control the frustration of charges in strongly correlated electron systems. The electro-chemical doping of Li+ into YbFe2O4 was examined on the cell type sample similar to the Li-ion secondary battery cell. Systematic change of the lattice constant, Fe-Fe and Fe-Yb distance were observed with Li doping. Maximum value of the doping was over 300 mAh/g. An EXAFS experiment indicated that Li positioned between Yb octahedron layer (U-layer) and Fe-bipyramidal layer (W-layer). However, detailed change of iron valence state of YbFe2O4 was not clearly observed because of the superimpose of the signal from iron metal nano particles in XANES observation. We discuss that the uncertainty might arise from the inhomogeneous distribution of the sample particle size, which might prevent the homogeneous doping of Li because the doping occurs on the surface of each nano-particles.
書誌情報 Journal of Physics and Chemistry of Solids

巻 162, p. 110468, 発行日 2022-03
出版者
出版者 Elsevier
ISSN
収録物識別子タイプ ISSN
収録物識別子 0022-3697
DOI
識別子タイプ DOI
関連識別子 10.1016/j.jpcs.2021.110468
関連サイト
識別子タイプ DOI
関連識別子 https://doi.org/10.1016/j.jpcs.2021.110468
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