| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Seaborg Institutes: Emerging Topics in Actinide Sciences
|
| Presentation Title |
Magnetoelastic interactions in Uranium-based compounds probed by magnetostriction and thermal expansion measurements |
| Author(s) |
Volodymyr Buturlim, Sabin Regmi, Dominik Legut, Alexander Andreev, Ladislav Havela, Krzysztof Gofryk |
| On-Site Speaker (Planned) |
Volodymyr Buturlim |
| Abstract Scope |
Thermal expansion and magnetostriction are useful probes for investigating thermodynamic phenomena in strongly coupled magnetic materials, including anisotropies. In uranium-based compounds, the composition, local symmetry, and magnetic ordering can lead to unusual and highly anisotropic behaviors of thermal expansion and magnetostriction, mostly due to strong exchange interactions and magnetocrystalline anisotropy. Here, we present an overview of the magnetoelastic properties of selected uranium-containing materials, with a focus on the two magnetic compounds, UNiAl and UGa2. Although these materials exhibit similar hexagonal crystal structures, they have different magnetic ground states: antiferromagnetic (TN = 19.3 K) for UNiAl and ferromagnetic (TC = 125 K) for UGa2. We demonstrate how detailed low-temperature thermal expansion and magnetostriction measurements performed in high magnetic fields (up to 14 T) allow to provide a better understanding of spin-lattice interactions in actinide-based compounds. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Magnetic Materials, Characterization, Phase Transformations |