O NMR spin-lattice relaxation in NpO
; Field-dependent cross-relaxation process driven by 
Np spinsTokunaga, Yo 
; Walstedt, R. E.*; Homma, Yoshiya*; Aoki, Dai*; Kambe, Shinsaku ; Sakai, Hironori 
; Fujimoto, Tatsuya; Ikeda, Shugo; Yamamoto, Etsuji ; Nakamura, Akio; Shiokawa, Yoshinobu*; Yasuoka, Hiroshi
In this paper, we report a comprehensive study of O nuclear spin-lattice relaxation in NpO for a wide range of fields and temperatures. In both the paramagnetic and ordered-state regions, a strong, field-dependent Np -O nuclei cross-relaxation process is observed in addition to the expected background rate. The cross relaxation process, driven by the Np spins, is conveyed to the O via a greatly enhanced indirect nuclear spin-spin coupling which is described and reported here for the first time. The magnitude and temperature dependence of the indirect coupling are in reasonable accord with a simple theoretical model. The magnitude and temperature dependence of the Np 
process are also deduced from the data obtained.
Language |
: | English |
|---|---|---|
Journal |
: | |
Volume |
: | 68 |
Number |
: | 11 |
Pages |
: | p.2016 - 2019 |
Publication Year/Month |
: | 2007/11 |
Meeting title |
: | 1st International Symposium of Quantum Beam Science Directorate of JAEA (QuBS 2006) |
Held date |
: | 2006/08 |
Location (city) |
: | Tokai |
Location (country) |
: | Japan |
Paper URL |
: |
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Keywords |
: | no keyword |
Cooperating Institute |
: |
Accesses |
: |
- Accesses |
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InCites™ |
: |
Percentile:13.02 Category:Chemistry, Multidisciplinary |
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