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Improved thermoelectric performance of highly-oriented nanocrystalline bismuth antimony telluride thin films
http://hdl.handle.net/10228/4702
http://hdl.handle.net/10228/4702ac1b682c-0631-410d-8478-aa32a3d21853
名前 / ファイル | ライセンス | アクション |
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Improved_performance.pdf (647.0 kB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||
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公開日 | 2010-11-11 | |||||||||||
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 | |||||||||||
タイトル | ||||||||||||
タイトル | Improved thermoelectric performance of highly-oriented nanocrystalline bismuth antimony telluride thin films | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
著者 |
Takashiri, Masayuki
× Takashiri, Masayuki× Tanaka, Saburo× 宮崎, 康次
WEKO
679
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | Improved thermoelectric performance of highly-oriented nanocrystalline bismuth antimony telluride thin films is described. The thin films are deposited by a flash evaporation method, followed by annealing in hydrogen. By optimizing the annealing conditions, the resulting thin films exhibit almost perfect orientation with the c-axis normal to the substrate, and are composed of nano-sized grains with an average grain size of 150 nm. The in-plane electrical conductivity and Seebeck coefficient were measured at room temperature. The cross-plane thermal conductivity of the thin films was measured by a 3ω method, and the in-plane thermal conductivity was evaluated by using an anisotropic factor of thermal conductivity based on a single crystal bulk alloy with almost the same composition and carrier concentration. The measured cross-plane thermal conductivity is 0.56 W/(m K), and the in-plane thermal conductivity is evaluated to be 1.05 W/(m K). Finally, the in-plane power factor and figure-of-merit, ZT, of the thin films are 35.6 μW/(cm K2) and 1.0 at 300 K, respectively. | |||||||||||
書誌情報 |
Thin Solid Films 巻 519, 号 2, p. 619-624, 発行日 2010-11-01 |
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出版社 | ||||||||||||
出版者 | Elsevier | |||||||||||
DOI | ||||||||||||
関連タイプ | isVersionOf | |||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | https://doi.org/10.1016/j.tsf.2010.08.013 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 0040-6090 | |||||||||||
著作権関連情報 | ||||||||||||
権利情報 | Copyright © 2010 Published by Elsevier B.V. | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Thermoelectric | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Crystal orientation | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Bismuth antimony telluride | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Nanocrystalline thin films | |||||||||||
出版タイプ | ||||||||||||
出版タイプ | AM | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||||||||
査読の有無 | ||||||||||||
値 | yes | |||||||||||
研究者情報 | ||||||||||||
https://hyokadb02.jimu.kyutech.ac.jp/html/26_ja.html | ||||||||||||
連携ID | ||||||||||||
58 | ||||||||||||
業績ID | ||||||||||||
C367C8AB0D3BB0F5492577C7004E5141 | ||||||||||||
著者別名 | ||||||||||||
姓名 | Miyazaki, Koji | |||||||||||
言語 | en | |||||||||||
姓名 | 宮崎, 康次 | |||||||||||
言語 | ja | |||||||||||
姓名 | ミヤザキ, コウジ | |||||||||||
言語 | ja-Kana |