X-band 1H-DNP experiments and high power sub-THz wave irradiation effect on BDPA-doped toluene solution

Material type: 文書・図像類

Author: TODA, Mほか

Publisher: SPRINGER WIEN

Publication date: 2008-08

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Note (General)：: To investigate the experimental technique and the high magnetic field effect in the dynamical nuclear polarization (DNP) experiments, the X-band 1H-DN...

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Material Type: 文書・図像類
Title: X-band 1H-DNP experiments and high power sub-THz wave irradiation effect on BDPA-doped toluene solution
Author/Editor: TODA, M
FUJII, Y
MITSUDO, S
OGAWA, I
IDEHARA, T
SAITO, T
ITO, H
CHIBA, M
Author Heading: TODA, M
FUJII, Y
MITSUDO, S
OGAWA, I
IDEHARA, T
SAITO, T
ITO, H
CHIBA, M
Publication, Distribution, etc.: SPRINGER WIEN
Publication Date: 2008-08
Publication Date (W3CDTF): 2008-08
Periodical title: APPLIED MAGNETIC RESONANCE
No. or year of volume/issue: 34 3-4
Volume: 34
Issue: 3-4
Pages: 277-278
Text Language Code: eng
Target Audience: 一般
Note (General): 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 bis-diphenylene-phenyl-allyl (BDPA)-doped toluene solution 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-T_1 ^-1 dependences of Overhauser enhancement factor (e). 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 (TE_<22,8> mode, f~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 (EM) wave heating.
Access Restrictions: 限定公開
Related Material (DOI): 10.1007/s00723-008-0125-5
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