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Microstructures and Thermoelectric Properties of Sintered Misfit-Layered Cobalt Oxide
http://hdl.handle.net/10069/34571
http://hdl.handle.net/10069/34571905a89f0-9a04-4cbc-bad1-3a4d936ec015
名前 / ファイル | ライセンス | アクション |
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JEM43_1603.pdf (490.2 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-07-01 | |||||
タイトル | ||||||
タイトル | Microstructures and Thermoelectric Properties of Sintered Misfit-Layered Cobalt Oxide | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | degree of orientation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | dimensionless figure of merit | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Harman method | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Lotgering factor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Seebeck coefficient | |||||
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 | |||||
著者 |
Morimura, Takao
× Morimura, Takao× Yamaguchi, Takahiro× Kojima, Takuya× Matsuya, Noriki× Kondo, Shin-ichiro× Nakashima, Hiromichi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Misfit-layered cobalt oxide Ca3Co4O9 is considered to be a prospective material for thermoelectric conversion. The thermoelectric properties are anisotropic owing to its anisotropic crystal structure. The crystal has preferred thermoelectric properties along the a-b plane. Therefore, the thermoelectric properties are improved and controlled by the degree of orientation of the sintered sample. In the present work, Sr-doped misfit cobalt oxide Ca2.7Sr0.3Co4O9 was prepared by solid-phase reaction, followed by uniaxial compression molding and sintering at 1173 K. The Seebeck coefficient α, electrical resistivity ρ, and dimensionless figure of merit ZT were measured as a function of the compression pressure applied in the uniaxial molding. α, ρ, and ZT as functions of the degree of orientation and the relative density are experimentally clarified and explained by calculations using the compound model. | |||||
書誌情報 |
Journal of Electronic Materials 巻 43, 号 6, p. 1603-1607, 発行日 2014-06 |
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出版者 | ||||||
出版者 | Springer New York | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 03615235 | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1543186X | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1007/s11664-013-2805-7 | |||||
権利 | ||||||
権利情報 | c 2013 TMS. | |||||
権利 | ||||||
権利情報 | The final publication is available at link.springer.com | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Journal of Electronic Materials, 43(6), pp.1603-1607; 2014 |