Structural and electronic properties of iron oxides in the celadon glazes (II)

M. Hidaka, K. Takeuchi, R. P. Wijesundera, L. S.R. Kumara, Shinji Sugihara, N. Momoshima, S. Kubuki, Nark Eon Sung

研究成果: ジャーナルへの寄稿記事

3 引用 (Scopus)

抄録

Celadon glazes have been investigated by means of an X-ray absorption spectrum (XAS) near a Fe-K edge by using synchrotron radiation and a Mössbauer spectrum. High-temperature treatments under CO-deoxidizing and oxidizing till about 1300 °C show the different glaze-color each other. The XAS analyses suggest that the deoxidized celadon glaze (Seiji A) and the oxidized one (Seiji C) have a modified α-Fe2O3 structure and an ideal one, respectively, but not FeO structure. The Mössbauer spectra also suggest that the celadon glaze-color depends on the hybridized 3d5L and 3d6L bands near an electronic Fermi level (EF), where the hybridization is induced by an electronic exchange interaction between 3d orbitals of Fe ions and 2p orbitals of surrounding O ions in the celadon glaze of glass-state.

元の言語英語
ページ(範囲)534-541
ページ数8
ジャーナルCeramica
58
発行部数348
DOI
出版物ステータス出版済み - 10 1 2012

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Glazes
Iron oxides
Electronic properties
Structural properties
X ray absorption
Absorption spectra
Ions
Color
Exchange interactions
Carbon Monoxide
Synchrotron radiation
Fermi level
ferric oxide
Glass

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites

これを引用

Hidaka, M., Takeuchi, K., Wijesundera, R. P., Kumara, L. S. R., Sugihara, S., Momoshima, N., ... Sung, N. E. (2012). Structural and electronic properties of iron oxides in the celadon glazes (II). Ceramica, 58(348), 534-541. https://doi.org/10.1590/S0366-69132012000400020

Structural and electronic properties of iron oxides in the celadon glazes (II). / Hidaka, M.; Takeuchi, K.; Wijesundera, R. P.; Kumara, L. S.R.; Sugihara, Shinji; Momoshima, N.; Kubuki, S.; Sung, Nark Eon.

:: Ceramica, 巻 58, 番号 348, 01.10.2012, p. 534-541.

研究成果: ジャーナルへの寄稿記事

Hidaka, M, Takeuchi, K, Wijesundera, RP, Kumara, LSR, Sugihara, S, Momoshima, N, Kubuki, S & Sung, NE 2012, 'Structural and electronic properties of iron oxides in the celadon glazes (II)', Ceramica, 巻. 58, 番号 348, pp. 534-541. https://doi.org/10.1590/S0366-69132012000400020
Hidaka M, Takeuchi K, Wijesundera RP, Kumara LSR, Sugihara S, Momoshima N その他. Structural and electronic properties of iron oxides in the celadon glazes (II). Ceramica. 2012 10 1;58(348):534-541. https://doi.org/10.1590/S0366-69132012000400020
Hidaka, M. ; Takeuchi, K. ; Wijesundera, R. P. ; Kumara, L. S.R. ; Sugihara, Shinji ; Momoshima, N. ; Kubuki, S. ; Sung, Nark Eon. / Structural and electronic properties of iron oxides in the celadon glazes (II). :: Ceramica. 2012 ; 巻 58, 番号 348. pp. 534-541.
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AU - Sugihara, Shinji

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AB - Celadon glazes have been investigated by means of an X-ray absorption spectrum (XAS) near a Fe-K edge by using synchrotron radiation and a Mössbauer spectrum. High-temperature treatments under CO-deoxidizing and oxidizing till about 1300 °C show the different glaze-color each other. The XAS analyses suggest that the deoxidized celadon glaze (Seiji A) and the oxidized one (Seiji C) have a modified α-Fe2O3 structure and an ideal one, respectively, but not FeO structure. The Mössbauer spectra also suggest that the celadon glaze-color depends on the hybridized 3d5L and 3d6L bands near an electronic Fermi level (EF), where the hybridization is induced by an electronic exchange interaction between 3d orbitals of Fe ions and 2p orbitals of surrounding O ions in the celadon glaze of glass-state.

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