| About this Abstract |
| Meeting |
2024 TMS Annual Meeting & Exhibition
|
| Symposium
|
Seaborg Institutes: Emerging Topics in Actinide Materials and Science
|
| Presentation Title |
Search for the Direct Pu-239 Nuclear Magnetic Resonance in Plutonium Compounds |
| Author(s) |
Eric D. Bauer |
| On-Site Speaker (Planned) |
Eric D. Bauer |
| Abstract Scope |
The discovery of the direct Pu-239 nuclear magnetic resonance (NMR) signal in PuO2 and PuB4 provides a new opportunity to explore and understand the bonding, electronic structure, and self-irradiation damage of plutonium-based materials at the atomic scale. A detailed study of the anisotropy of the Pu-239 NMR resonance of PuB4 has been performed. We are also continuing our search for other compounds in which the Pu-239 NMR signal may be found. The compound [Et4N]4[Pu(NCS)8] is particularly promising. Point-charge calculations of the Pu(IV) crystalline electric field (CEF) scheme in this material indicate a singlet ground state that is separated by 135 meV from a magnetic triplet excited state, similar to the CEF scheme of PuO2, where the first Pu-239 NMR signal was found. Nonmagnetic Pu2C3 may also be an ideal candidate to find the direct Pu-239 NMR signal. In this talk, I will discuss our NMR results on these Pu-based materials. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Nuclear Materials, Other, |