Structural and transport properties of the incommensurate organic superconductor (MDT-ST)(I3)0.417
Physical Review B - Condensed Matter and Materials Physics 71 巻 17 号
052501-1-052501-4 頁
2005-05-23 発行
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| ファイル情報(添付) | |
| タイトル ( eng ) |
Structural and transport properties of the incommensurate organic superconductor (MDT-ST)(I3)0.417
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| 作成者 |
Kawamoto Tadashi
Mori Takehiko
Uji Shinya
Yamaura Jun-Ichi
Kitagawa Hiroshi
Takamori Ayumi
Takimiya Kazuo
Otsubo Tetsuo
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| 収録物名 |
Physical Review B - Condensed Matter and Materials Physics
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| 巻 | 71 |
| 号 | 17 |
| 開始ページ | 052501-1 |
| 終了ページ | 052501-4 |
| 抄録 |
The incommensurate anion sublattice and transport properties of the organic superconductor (MDT- ST) I1+δ [MDT-ST: 5H -2-(1,3-dithiol-2-ylidene)-1,3- diselena-4,6-dithiapentalene] are investigated. The Raman spectra as well as the incommensurate spots observed in the x-ray-oscillation photograph provide clear evidence that the polyiodide chain is composed of I3- units. From these, the composition is determined to be (MDT-ST) (I3) 0.417, and the degree of charge transfer is 0.417. The thermoelectric power shows large negative phonon drag at low temperatures in spite of the clean metallic resistive behavior. That the fundamental Raman line of the I3- chains is split into two lines below 150 K without any extra satellite reflections in the x-ray photographs suggests the possibility of a small structural change in the anion lattice.
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| 言語 |
英語
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| 資源タイプ | 学術雑誌論文 |
| 出版者 |
American Physical Society
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| 発行日 | 2005-05-23 |
| 権利情報 |
Copyright (c) 2005 American Physical Society.
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| 出版タイプ | Version of Record（出版社版。早期公開を含む） |
| アクセス権 | オープンアクセス |
| 収録物識別子 |
[ISSN] 0163-1829
[DOI] 10.1103/PhysRevB.71.172503
[NCID] AA00362255
[DOI] http://dx.doi.org/10.1103/PhysRevB.71.172503
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