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High pressure optical absorption in organic semiconductors (NMe4)2TCNQ3 and Cs2TCNQ3
http://hdl.handle.net/2298/10549
http://hdl.handle.net/2298/10549337de2a2-eede-4b5c-a962-40b14b32accf
名前 / ファイル | ライセンス | アクション |
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論文[6].pdf (202.4 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2009-01-28 | |||||
タイトル | ||||||
タイトル | High pressure optical absorption in organic semiconductors (NMe4)2TCNQ3 and Cs2TCNQ3 | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | 71.30.+h, 78.30.Jw, 78.40.Me, S12 | |||||
資源タイプ | ||||||
資源タイプ | journal article | |||||
著者 |
Hasanudin
× Hasanudin× Kagayama, Tomoko× Kuroda, Noritaka× 杉本, 豊成 |
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別言語の著者 |
加賀山, 朋子
× 加賀山, 朋子× 黒田, 規敬× 杉本, 豊成 |
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内容記述 | ||||||
内容記述 | The pressure dependence of the optical absorption spectra of (NMe4)2TCNQ3 and Cs2TCNQ3 has been measured at room temperature in the spectral range from mid-infrared to the visible. At ambient pressure the optical energy gap is observed at around 0.5 and 0.3 eV in (NMe4)2TCNQ3 and Cs2TCNQ3, respectively. The energy gap in (NMe4)2TCNQ3 decreases by 0.05 eV with increasing pressure up to 2 GPa, followed by an abrupt decrease towards 0.2 eV between 2 and 3 GPa. At higher pressures up to 5.5 GPa the gap remains almost unchanged. The intra- and inter-molecular optical absorption bands in the near-infrared to visible region are intensified by pressure and broaden out at 2.5 GPa. The absorption spectrum in Cs2TCNQ3 exhibits a similar behavior under pressure. These results suggest that an electronic phase transition is induced by pressure at around 2.5 GPa in both substances. This transition resembles the charge order-disorder (Verwey) transition in Fe3O4. | |||||
書誌情報 |
Physica status solidi. B 巻 223, 号 1, p. 337-342, 発行年 2001-01 |
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書誌レコードID | ||||||
収録物識別子 | AA00773464 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
関連識別子 | 10.1002/1521-3951(200101)223:1<337::AID-PSSB337>3.0.CO;2-R | |||||
権利 | ||||||
権利情報 | Copyright © 2001 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim | |||||
情報源(ISSN) | ||||||
関連名称 | 03701972 | |||||
フォーマット | ||||||
内容記述 | application/pdf | |||||
形態 | ||||||
202444 bytes | ||||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
日本十進分類法 | ||||||
主題 | 428.8 | |||||
出版者 | ||||||
出版者 | WILEY-VCH | |||||
資源タイプ | ||||||
内容記述 | 論文(Article) | |||||
資源タイプ・ローカル | ||||||
雑誌掲載論文 | ||||||
資源タイプ・NII | ||||||
Journal Article | ||||||
資源タイプ・DCMI | ||||||
text | ||||||
資源タイプ・ローカル表示コード | ||||||
01 | ||||||
URL | ||||||
内容記述 | http://www.interscience.wiley.com/ | |||||
コメント | ||||||
黒田規敬: 熊本大学大学院自然科学研究科マテリアル工学講座・工学部マテリアル工学科 |