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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Structure and thermoelectric transport properties of isoelectronically substituted (ZnO)5In2O3

http://hdl.handle.net/2237/6208
http://hdl.handle.net/2237/6208
a782275f-817f-4070-b26c-a381b71a3eb9
名前 / ファイル ライセンス アクション
JSSC_2000_Paper-99-6.pdf JSSC_2000_Paper-99-6.pdf (659.2 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2006-03-22
タイトル
タイトル Structure and thermoelectric transport properties of isoelectronically substituted (ZnO)5In2O3
言語 en
著者 Masuda, Yoshitake

× Masuda, Yoshitake

WEKO 11751

en Masuda, Yoshitake

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Ohta, Mitsuru

× Ohta, Mitsuru

WEKO 11752

en Ohta, Mitsuru

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Seo, Won-Seon

× Seo, Won-Seon

WEKO 11753

en Seo, Won-Seon

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Pitschke, Wolfram

× Pitschke, Wolfram

WEKO 11754

en Pitschke, Wolfram

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Koumoto, Kunihito

× Koumoto, Kunihito

WEKO 11755

en Koumoto, Kunihito

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増田, 佳丈

× 増田, 佳丈

WEKO 11756

ja 増田, 佳丈

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河本, 邦仁

× 河本, 邦仁

WEKO 11757

ja 河本, 邦仁

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
キーワード
主題Scheme Other
主題 crystal structure
キーワード
主題Scheme Other
主題 Rietveld refinement
キーワード
主題Scheme Other
主題 thermoelectric properties
キーワード
主題Scheme Other
主題 zinc oxide
キーワード
主題Scheme Other
主題 indium oxide
キーワード
主題Scheme Other
主題 homologous series
抄録
内容記述 We have proposed that homologous compounds of (ZnO)m In2O3 with layer structures can become candidate materials for high-temperature thermoelectric conversion due to their low thermal conductivity and high electron mobility. Crystal structures can be modified by the isoelectronic substitution of either divalent or trivalent metal ions for Zn or In ions, respectively. Substitution of Mg2+, Co2+, and Y3+ gave rise to shrinkage of the c axis and elongation of the a axis of a hexagonal unit cell. Rietveld structure refinement indicated that Mg2+ and Co2+ ions occupy both 3a and 6c sites, while Y3+ ions occupy only 3a sites. An optimum amount of substitution of these cations increased electron mobility and hence thermoelectric efficiency Z=σα2/κ (σ=electrical conductivity, α=Seebeck coefficient, κ=thermal conductivity). Z values coupled with lowered thermal conductivity, which was possibly caused by suitable modification of the electronic structure, were associated with distortion of the crystal structure. For instance, the figure of merit of (ZnO)5(In0.97 Y0.03)2O3 was Z=1.3×10-4 K-1.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Elsevier
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1006/jssc.1999.8589
ISSN
収録物識別子タイプ PISSN
収録物識別子 00224596
書誌情報 en : Journal of solid state chemistry

巻 150, 号 2, p. 221-227, 発行日 2000-02-15
フォーマット
application/pdf
著者版フラグ
値 author
URI
識別子 http://hdl.handle.net/2237/6208
識別子タイプ HDL
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