Online ISSN: 1884-4111 Print ISSN: 0033-8303
Radioisotopes 67(8): 389-401 (2018)

連載講座Serial Lecture

アクチノイド化合物のNMR二酸化アクチノイドを例としてNMR Study of Actinide CompoundsCase of Actinide Dioxides

日本原子力研究開発機構原子力科学研究部門先端基礎研究センターAdvanced Science Research Center, Sector of Nuclear Science Research, Japan Atomic Energy Agency ◇ 319–1195 茨城県那珂郡東海村白方2–4 ◇ 2–4 Shirakata, Tokai-mura, Ibaraki Pref. 319–1195, Japan

発行日:2018年8月15日Published: August 15, 2018


Taking the actinide dioxide AnO2 system as an example, we present an investigation of electronic property at low temperatures by means of NMR spectroscopy. It is a key feature that NMR of both An and O nuclei can be observed in the AnO2 system. This system is typified by UO2, which is a standard nuclear fuel. In this context, the property of AnO2 at high temperatures has been studied intensively so far. Recently, however, it is noticed that the ground state AnO2 system is also an exotic electronic state called multipole ordering. Interesting physical properties of actinide compounds at low temperature are introduced.

Key words: actinide compound; NMR (Nuclear Magnetic Resonance); multipole ordering; actinide dioxide

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