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Small polarons in $La_{2/3}TiO_{3-δ}$
http://hdl.handle.net/10131/5066
http://hdl.handle.net/10131/506621322344-cb17-4574-b2b5-d8ef79938889
名前 / ファイル | ライセンス | アクション |
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JAP88-2000.pdf (69.2 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2009-12-14 | |||||
タイトル | ||||||
タイトル | Small polarons in $La_{2/3}TiO_{3-δ}$ | |||||
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 | |||||
著者 |
Jung, W. H.
× Jung, W. H.× Wakai, H.× Nakatsugawa, Hiroshi× Iguchi, E. |
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著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 17461 | |||||
姓名 | ナカツガワ, ヒロシ | |||||
著者別名 | ||||||
識別子Scheme | WEKO | |||||
識別子 | 17462 | |||||
姓名 | 中津川, 博 | |||||
著者所属 | ||||||
Division of Electrical Electronic and InformationEngineering, HoWon University | ||||||
著者所属 | ||||||
Materials Science, Department of Mechanical Engineering and Materials Science, Faculty of Engineering, Yokohama National University, Tokiwadai, Hodogaya-Ku, Yokohama 240, Japan | ||||||
著者所属 | ||||||
Materials Science, Department of Mechanical Engineering and Materials Science, Faculty of Engineering, Yokohama National University, Tokiwadai, Hodogaya-Ku, Yokohama 240, Japan | ||||||
著者所属 | ||||||
Materials Science, Department of Mechanical Engineering and Materials Science, Faculty of Engineering, Yokohama National University, Tokiwadai, Hodogaya-Ku, Yokohama 240, Japan | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The thermoelectric power and dc conductivity of $La_{2/3}TiO_{3-δ}$ (δ=0.057, 0.07, and 0.16) were investigated. The thermoelectric power is negative between 80 and 350 K. The measured thermoelectric power of $La_{2/3}TiO_{3-δ}$ increases linearly with temperature, in agreeent with the model proposed by C. Wood and D. Emin [Phys. Rev. B 29, 4582(1984)],and represented by A+BT. This temperature dependence indicates that the charge carrier in this material is a small polaron.There exists a linear relation between log(σT) and 1/T in the range of 200–300 K, the activation energies for small polaron hopping were 0.15, 0.21, and 0.24 eV for δ=0.16, 0.07, and 0.057, respectively. These properties are discussed in terms of a hopping process involving small polarons.This conclusion is confirmed theoretically. Based upon polaron energies obtained experimentally, several parameters relevant to small polaron transport in this material are estimated. | |||||
書誌情報 |
Journal of Applied Physics 巻 88, 号 5, p. 2560-2563, 発行日 2000 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00218979 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00693547 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/1.1287755 | |||||
権利 | ||||||
権利情報 | Copyright 2000 by the American Institute of Physics. | |||||
権利URI | ||||||
権利情報 | http://www.aip.org/ | http://www.aip.org/ | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | American Institute of Physics | |||||
関係URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://link.aip.org/link/?JAPIAU/88/2560/1 | |||||
関連名称 | http://link.aip.org/link/?JAPIAU/88/2560/1 |