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Systematic Study of Lattice Specific Heat of Filled Skutterudites
http://hdl.handle.net/10228/00006392
http://hdl.handle.net/10228/0000639215194d6e-bfc7-4601-a310-d2a24645c0fb
名前 / ファイル | ライセンス | アクション |
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JPSJ.78.124601.pdf (3.7 MB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||
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公開日 | 2017-09-29 | |||||||||||
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 | Systematic Study of Lattice Specific Heat of Filled Skutterudites | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
著者 |
松平, 和之
× 松平, 和之
WEKO
20843
× Sekine, Chihiro× Wakeshima, Makoto× Hinatsu, Yukio× Namiki, Takahiro× Takeda, Keiki× Shirotani, Ichimin× Sugawara, Hitoshi× Kikuchi, Daisuke× Sato, Hideyuki |
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | The lattice specific heat C lat of La-based filled skutterudites La T 4 X 12 ( T = Fe, Ru and Os; X = P, As, and Sb) has been systematically studied, and both the Debye temperature Θ D and the Einstein temperature Θ E of La T 4 X 12 were carefully estimated. We confirmed that a correlation exists between Θ D and the reciprocal of the square root of average atomic mass for La T 4 P 12 , La T 4 As 12 , and La T 4 Sb 12 . The Θ D of filled skutterudites was found to depend mainly on the nature of the species X forming the cage. The temperature dependence of C lat / T 3 for La T 4 X 12 exhibited a large broad maximum at low temperatures (10–30 K), which suggests a nearly dispersionless low-energy optical mode characterized by Einstein specific heat. Since no such broad maximum exists for the unfilled skutterudite RhP 3 , the low-energy optical modes are associated with vibration involving La ions in the X 12 cage (the so-called “guest ion modes”). The Θ E of filled skutterudites was found to roughly correspond to the energy of low-energy guest ion optical modes. Furthermore, a good correlation was shown to exist between Θ E and r R–X - r R3+ , where r R–X is the R – X distance and r R3+ is the effective ionic radius of R 3+ . As r R–X - r R3+ increased, Θ E was found to decrease. | |||||||||||
書誌情報 |
Journal of the Physical Society of Japan 巻 78, 号 12, p. 124601-124601, 発行日 2009-12-15 |
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出版社 | ||||||||||||
出版者 | 一般社団法人日本物理学会 | |||||||||||
DOI | ||||||||||||
関連タイプ | isVersionOf | |||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | https://doi.org/10.1143/JPSJ.78.124601 | |||||||||||
NCID | ||||||||||||
収録物識別子タイプ | NCID | |||||||||||
収録物識別子 | AA00704814 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 1347-4073 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 0031-9015 | |||||||||||
著作権関連情報 | ||||||||||||
権利情報 | ©2009 The Physical Society of Japan | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | skutterudite | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | specific heat | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Debye temperature | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | Einstein temperature | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | rattling vibration | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | guest ion mode | |||||||||||
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/82_ja.html | ||||||||||||
論文ID(連携) | ||||||||||||
10017335 | ||||||||||||
連携ID | ||||||||||||
237 | ||||||||||||
資料タイプ | ||||||||||||
内容記述タイプ | Other | |||||||||||
内容記述 | Journal Article | |||||||||||
著者所属 | ||||||||||||
Graduate School of Engineering, Kyushu Institute of Technology | ||||||||||||
著者所属 | ||||||||||||
Muroran Institute of Technology | ||||||||||||
著者所属 | ||||||||||||
Division of Chemistry, Graduate School of Science, Hokkaido University | ||||||||||||
著者所属 | ||||||||||||
Division of Chemistry, Graduate School of Science, Hokkaido University | ||||||||||||
著者所属 | ||||||||||||
Muroran Institute of Technology/Department of Physics, Tokyo Metropolitan University | ||||||||||||
著者所属 | ||||||||||||
Muroran Institute of Technology | ||||||||||||
著者所属 | ||||||||||||
Muroran Institute of Technology | ||||||||||||
著者所属 | ||||||||||||
Faculty of the Integrated Arts and Sciences, The University of Tokushima | ||||||||||||
著者所属 | ||||||||||||
Department of Physics, Tokyo Metropolitan University | ||||||||||||
著者所属 | ||||||||||||
Department of Physics, Tokyo Metropolitan University |