| About this Abstract |
| Meeting |
2020 TMS Annual Meeting & Exhibition
|
| Symposium
|
Thermal Transport in Crystalline and Non-crystalline Solids: Theory and Experiments
|
| Presentation Title |
Structural, Transport, Magnetic, and Thermodynamic Studies of Delta-phase of Uranium |
| Author(s) |
Xiaxin Ding, Narayan Poudel, Tiankai Yao, Jason Harp, Krzysztof Gofryk |
| On-Site Speaker (Planned) |
Xiaxin Ding |
| Abstract Scope |
At room temperature, uranium metal is in its alpha form. It is hard and brittle unless alloyed with zirconium or other transition metals to form the room temperature stabilized delta-phase (UZr2). The delta-phase is known to have hexagonal crystal structure but the physical properties (especially at low temperatures) are largely unknown. In general, it is important to understand the physical properties of U-Zr alloys due to their technological importance as a nuclear fuel. Three UZr2+x (x = 0, 0.3, and 0.6) compounds have been synthesized and characterized by X-ray diffraction. Here, we present the first-time results of the magnetic, transport, and thermodynamic measurements of the uranium delta-phase at low temperatures and under high magnetic fields. We will discuss implications of these results, especially in the context of 5f-electron localization/delocalization in this material. |
| Proceedings Inclusion? |
Planned: Supplemental Proceedings volume |