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Intermolecular THz Vibrations Relevant to Optically and Thermally Induced Magnetic Phase Transitions in the Strongly Correlated Organic Radical TTTA
http://hdl.handle.net/10131/8580
http://hdl.handle.net/10131/8580d12b3bda-786a-49f3-aa3b-22c17db5852e
名前 / ファイル | ライセンス | アクション |
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JPSJ-83-014713-2014.pdf (552.1 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2014-05-26 | |||||
タイトル | ||||||
タイトル | Intermolecular THz Vibrations Relevant to Optically and Thermally Induced Magnetic Phase Transitions in the Strongly Correlated Organic Radical TTTA | |||||
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 |
Kawano, Taro
× Kawano, Taro× Katayama, Ikufumi× Ohara, Jun× Ashida, Masaaki× Takeda, Jun |
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著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 19025 | |||||
姓名 | カワノ, タロウ | |||||
著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 19618 | |||||
識別子Scheme | e-Rad | |||||
識別子URI | https://kaken.nii.ac.jp/ja/search/?qm=80432532 | |||||
識別子 | 80432532 | |||||
姓名 | カタヤマ, イクフミ | |||||
著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 19027 | |||||
姓名 | オオハラ, ジュン | |||||
著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 19028 | |||||
姓名 | アシダ, マサアキ | |||||
著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 9 | |||||
識別子Scheme | e-Rad | |||||
識別子URI | https://kaken.nii.ac.jp/ja/search/?qm=60202165 | |||||
識別子 | 60202165 | |||||
姓名 | タケダ, ジュン | |||||
著者所属 | ||||||
Department of Physics, Graduate School of Engineering, Yokohama National University | ||||||
著者所属 | ||||||
Department of Physics, Graduate School of Engineering, Yokohama National University | ||||||
著者所属 | ||||||
Department of Physics, Graduate School of Engineering, Yokohama National University | ||||||
著者所属 | ||||||
Graduate School of Engineering Science, Osaka University | ||||||
著者所属 | ||||||
Department of Physics, Graduate School of Engineering, Yokohama National University | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Intermolecular vibrations relevant to optically and thermally induced magnetic phase transitions between low temperature (LT) diamagnetic and high temperature (HT) paramagnetic phases in a strongly correlated organic radical 1,3,5-trithia-2,4,6-triazapentalenyl (TTTA) crystal have been investigated using broadband terahertz (THz) time-domain spectroscopy. Two absorption bands with different polarizations were clearly observed at 1.3 and 4.0 THz in the LT phase, whilst absent in the HT phase. The temperature dependence of the THz absorption peak exhibits hysteretic behavior around room temperature, indicating that the observed THz absorption bands are related to the magnetic phase transition in TTTA. Considering the symmetry of the crystal using group theoretical analysis, the observed absorption bands are attributed to intermolecular vibrations with Au symmetry. We found that the absorption band at 4.0 THz disappeared upon irradiation by a laser pulse with a photon density greater than 3.0 × 10¹⁸ photons/cm². These results show that probing the intermolecular THz vibrations is indispensable for revealing the photoinduced phase transition from the LT diamagnetic to HT paramagnetic phase. | |||||
書誌情報 |
Journal of the physical society of Japan 巻 83, 号 1, 発行日 2014-01-15 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00319015 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00704814 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |