ダウンロード数: 54
このアイテムのファイル:
ファイル | 記述 | サイズ | フォーマット | |
---|---|---|---|---|
mr-2-33-2021.pdf | 2.11 MB | Adobe PDF | 見る/開く |
完全メタデータレコード
DCフィールド | 値 | 言語 |
---|---|---|
dc.contributor.author | Miyanishi, Koichiro | en |
dc.contributor.author | Segawa, Takuya F. | en |
dc.contributor.author | Takeda, Kazuyuki | en |
dc.contributor.author | Ohki, Izuru | en |
dc.contributor.author | Onoda, Shinobu | en |
dc.contributor.author | Ohshima, Takeshi | en |
dc.contributor.author | Abe, Hiroshi | en |
dc.contributor.author | Takashima, Hideaki | en |
dc.contributor.author | Takeuchi, Shigeki | en |
dc.contributor.author | Shames, Alexander I. | en |
dc.contributor.author | Morita, Kohki | en |
dc.contributor.author | Wang, Yu | en |
dc.contributor.author | So, Frederick T.-K. | en |
dc.contributor.author | Terada, Daiki | en |
dc.contributor.author | Igarashi, Ryuji | en |
dc.contributor.author | Kagawa, Akinori | en |
dc.contributor.author | Kitagawa, Masahiro | en |
dc.contributor.author | Mizuochi, Norikazu | en |
dc.contributor.author | Shirakawa, Masahiro | en |
dc.contributor.author | Negoro, Makoto | en |
dc.contributor.alternative | 武田, 和行 | ja |
dc.contributor.alternative | 大木, 出 | ja |
dc.contributor.alternative | 高島, 秀聡 | ja |
dc.contributor.alternative | 竹内, 繁樹 | ja |
dc.contributor.alternative | 水落, 憲和 | ja |
dc.contributor.alternative | 白川, 昌宏 | ja |
dc.date.accessioned | 2021-09-16T04:52:52Z | - |
dc.date.available | 2021-09-16T04:52:52Z | - |
dc.date.issued | 2021 | - |
dc.identifier.uri | http://hdl.handle.net/2433/265270 | - |
dc.description.abstract | We demonstrate room-temperature ¹³C hyperpolarization by dynamic nuclear polarization (DNP) using optically polarized triplet electron spins in two polycrystalline systems: pentacene-doped [carboxyl-¹³C] benzoic acid and microdiamonds containing nitrogen-vacancy (NV−) centers. For both samples, the integrated solid effect (ISE) is used to polarize the ¹³C spin system in magnetic fields of 350–400 mT. In the benzoic acid sample, the ¹³C spin polarization is enhanced by up to 0.12 % through direct electron-to-¹³C polarization transfer without performing dynamic ¹H polarization followed by ¹H−¹³C cross-polarization. In addition, the ISE has been successfully applied to polarize naturally abundant ¹³C spins in a microdiamond sample to 0.01 %. To characterize the buildup of the ¹³C polarization, we discuss the efficiencies of direct polarization transfer between the electron and ¹³C spins as well as that of ¹³C−¹³C spin diffusion, examining various parameters which are beneficial or detrimental for successful bulk dynamic ¹³C polarization. | en |
dc.language.iso | eng | - |
dc.publisher | Copernicus GmbH | en |
dc.rights | © Author(s) 2021. | en |
dc.rights | This work is distributed under the Creative Commons Attribution 4.0 License. | en |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | - |
dc.title | Room-temperature hyperpolarization of polycrystalline samples with optically polarized triplet electrons: pentacene or nitrogen-vacancy center in diamond? | en |
dc.type | journal article | - |
dc.type.niitype | Journal Article | - |
dc.identifier.jtitle | Magnetic Resonance | en |
dc.identifier.volume | 2 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | 33 | - |
dc.identifier.epage | 48 | - |
dc.relation.doi | 10.5194/mr-2-33-2021 | - |
dc.textversion | publisher | - |
dcterms.accessRights | open access | - |
datacite.awardNumber | 19J10976 | - |
datacite.awardNumber.uri | https://kaken.nii.ac.jp/ja/grant/KAKENHI-PROJECT-19J10976/ | - |
dc.identifier.eissn | 2699-0016 | - |
jpcoar.funderName | 日本学術振興会 | ja |
jpcoar.awardTitle | 量子符号化による超高感度NMR技術の創出 | ja |
出現コレクション: | 学術雑誌掲載論文等 |
このアイテムは次のライセンスが設定されています: クリエイティブ・コモンズ・ライセンス