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High-temperature thermoelectric properties of Ca0.9−xSrxYb0.1MnO3−delta (0<=x<=0.2)
http://hdl.handle.net/2237/12623
http://hdl.handle.net/2237/126230945d02f-ac43-41a6-ad62-3793ef8c1d7e
名前 / ファイル | ライセンス | アクション |
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JApplPhys_105_093717.pdf (242.5 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2010-01-20 | |||||
タイトル | ||||||
タイトル | High-temperature thermoelectric properties of Ca0.9−xSrxYb0.1MnO3−delta (0<=x<=0.2) | |||||
言語 | en | |||||
著者 |
Kosuga, Atsuko
× Kosuga, Atsuko× Isse, Yuri× Wang, Yifeng× Koumoto, Kunihito× Funahashi, Ryoji |
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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 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | Copyright (2009) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior per mission of the author and the American Institute of Physics. | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | calcium compounds | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | crystal structure | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | electrical conductivity | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | electrical resistivity | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Seebeck effect | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | strontium compounds | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | thermal conductivity | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | thermoelectric power | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ytterbium compounds | |||||
抄録 | ||||||
内容記述 | Polycrystalline samples of Ca0.9.xSrxYb0.1MnO3.δ(x=0, 0.025. 0.05, 0.1, and 0.2)were prepared by a conventional solid-state reaction and their thermoelectric properties were evaluated at 303-973 K. Each of the samples consisted of a single phase with an orthorhombic structure. All the samples showed a metallic conductivity and their electrical resistivity was markedly affected by the distortion of the MnO6 octahedron. The Seebeck coefficient of all the samples was negative, indicating that the predominant carriers were electrons over the entire temperature range examined.The highest power factor achieved (0.22 mW m^-1 K^-2 at 773 K) was shown by the sample with x=0.1. The thermal conductivity was affected by both the crystal distortion and the difference in mass between the Ca^2+ and Sr^2+ ions. The highest dimensionless figure of merit obtained was 0.09 at 973 K for the sample with x=0.1; this is a result of its low electrical resistivity and its moderate Seebeck coefficient and thermal conductivity. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | American Institite of Physics | |||||
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/10.1063/1.3125450 | |||||
書誌情報 |
en : JOURNAL OF APPLIED PHYSICS 巻 105, 号 9, p. 093717-093717, 発行日 2009-05-13 |
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フォーマット | ||||||
application/pdf | ||||||
著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/12623 | |||||
識別子タイプ | HDL | |||||
URI | ||||||
識別子 | http://dx.doi.org/10.1063/1.3125450 | |||||
識別子タイプ | DOI |