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Enhanced thermoelectric performance of optimized Yb-filled and Fe-substituted skutterudite compounds Yb0.6FexCo4−xSb12
http://hdl.handle.net/10258/00009531
http://hdl.handle.net/10258/00009531afbc86d7-54dd-498c-923c-84bc45f4c191
名前 / ファイル | ライセンス | アクション |
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JJAP_55_04EJ02 (685.3 kB)
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Item type | 学術雑誌論文 / Journal Article.(1) | |||||||||||||||||
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公開日 | 2018-02-02 | |||||||||||||||||
タイトル | ||||||||||||||||||
言語 | en | |||||||||||||||||
タイトル | Enhanced thermoelectric performance of optimized Yb-filled and Fe-substituted skutterudite compounds Yb0.6FexCo4−xSb12 | |||||||||||||||||
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 | open access | |||||||||||||||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||||||||||
著者 |
陳, 玉奇
× 陳, 玉奇× 川村, 幸裕
WEKO
5772
× 林, 純一× 関根, ちひろ
WEKO
5773
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室蘭工業大学研究者データベースへのリンク | ||||||||||||||||||
川村 幸裕(KAWAMURA Yukihiro) | ||||||||||||||||||
http://rdsoran.muroran-it.ac.jp/html/100000227_ja.html | ||||||||||||||||||
室蘭工業大学研究者データベースへのリンク | ||||||||||||||||||
関根 ちひろ(SEKINE Chihiro) | ||||||||||||||||||
http://rdsoran.muroran-it.ac.jp/html/100000003_ja.html | ||||||||||||||||||
抄録 | ||||||||||||||||||
内容記述タイプ | Abstract | |||||||||||||||||
内容記述 | Optimized Yb-filled Fe-substituted skutterudites Yb0.6Fe x Co4? x Sb12 (x = 0, 0.5, and 1.0) were synthesized using a high-pressure technique. The samples were characterized by powder X-ray diffraction (XRD) analysis and electron probe microanalysis (EPMA). The thermoelectric transport properties of the samples such as Seebeck coefficient, electrical conductivity, carrier concentration, and thermal conductivity were studied in the temperature range of 2?300 K. With 1/8 Fe substitution for the Co site (x = 0.5), the Seebeck coefficient and thermal conductivity were obviously optimized. Carrier concentration analysis indicates that proper Fe substitution can effectively compensate for the excess electrons and optimize the electric transport properties. The reduction in the total thermal conductivity κ could be mainly caused by the reduction in electron contribution to κ. Compared with an only-Yb-filled compound, a 26% improved figure of merit ZT was achieved at 300 K at the Fe substitution ratio x = 0.5 (ZT = 0.11). This result confirms that Fe substitution on the Co site is an effective approach to tuning and optimizing the thermoelectric properties of CoSb3-based skutterudites. | |||||||||||||||||
言語 | en | |||||||||||||||||
書誌情報 |
en : Japanese Journal of Applied Physics 巻 55, 号 04EJ02, 発行日 2016 |
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出版者 | ||||||||||||||||||
言語 | en | |||||||||||||||||
出版者 | The japan society of applied physics | |||||||||||||||||
出版者版へのリンク | ||||||||||||||||||
10.7567/JJAP.55.04EJ02 | ||||||||||||||||||
https://doi.org/10.7567/JJAP.55.04EJ02 | ||||||||||||||||||
DOI | ||||||||||||||||||
関連タイプ | isVersionOf | |||||||||||||||||
識別子タイプ | DOI | |||||||||||||||||
関連識別子 | 10.7567/JJAP.55.04EJ02 | |||||||||||||||||
日本十進分類法 | ||||||||||||||||||
主題Scheme | NDC | |||||||||||||||||
主題 | 430 | |||||||||||||||||
ISSN | ||||||||||||||||||
収録物識別子タイプ | PISSN | |||||||||||||||||
収録物識別子 | 0021-4922 | |||||||||||||||||
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収録物識別子タイプ | NCID | |||||||||||||||||
収録物識別子 | AA12295836 | |||||||||||||||||
権利 | ||||||||||||||||||
言語 | en | |||||||||||||||||
権利情報 | © 2016 The japan society of applied physics | |||||||||||||||||
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 | |||||||||||||||||
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内容記述タイプ | Other | |||||||||||||||||
内容記述 | application/pdf |