BDPA ラジカルをドープしたトルエン溶液における X-band 1H-DNP 実験と高出力テラヘルツ波照射の効果

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Author: 藤井, 裕ほか

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Publication date: 2008-09

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Note (General)：: In order to investigate the experimental technique and the high magnetic field effect in the dynamical nuclear polarization (DNP) experiments,the X-ba...

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Material Type: 文書・図像類
Title: BDPA ラジカルをドープしたトルエン溶液における X-band 1H-DNP 実験と高出力テラヘルツ波照射の効果
Author/Editor: 藤井, 裕
戸田, 充
光藤, 誠太郎
小川, 勇
出原, 敏孝
斉藤, 輝雄
伊藤, 秀忠
清水, 雄也
千葉, 明朗
Author Heading: 藤井, 裕
戸田, 充
光藤, 誠太郎
小川, 勇
出原, 敏孝
斉藤, 輝雄
伊藤, 秀忠
清水, 雄也
千葉, 明朗
Publication Date: 2008-09
Publication Date (W3CDTF): 2008-09
Alternative Title: ^1H-DNP Experiments and High Power Sub-Terahertz Wave Irradiation Effect on BDPA-Doped Toluene Solution
Periodical title: 遠赤外領域開発研究
No. or year of volume/issue: 9
Volume: 9
Pages: 135-149
Text Language Code: jpn
Target Audience: 一般
Note (General): In order to investigate the experimental technique and the high magnetic field effect in the dynamical nuclear polarization (DNP) experiments,the X-band ^1H-DNP and the high power sub-THz wave irradiation experiments have been performed on a toluene solution of α,γ-bisdiphenylene-β-phyenylallyl (BDPA) radical at room temperature. We have established the sample-shuttle X-band DNP experimental system,and investigated the external magnetic field,the microwave power and ^1H-T1^-1 dependences of Overhauser enhancement factor ε. A maximal signal enhancement of approximately -19 has been observed. As for the sub-THz wave experiments,we have constructed the NMR and ESR measurement system for the experiments under the magnetic field of ～10.7 T,with a high power light source gyrotron CW-I (TE22,8 mode,?～299.23 GHz). When the high power sub-THz wave of a gyrotron was irradiated on the toluene solution in order to confirm the evidence of DNP,the sample has evaporated due to the electromagnetic wave heating.
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ