| Issue |
EPJ Web Conf.
Volume 154, 2017
3rd International Conference on Theoretical and Experimental Studies in Nuclear Applications and Technology (TESNAT 2017)
|
|
|---|---|---|
| Article Number | 01021 | |
| Number of page(s) | 3 | |
| DOI | https://doi.org/10.1051/epjconf/201715401021 | |
| Published online | 29 September 2017 | |
https://doi.org/10.1051/epjconf/201715401021
An Ab-initio study on UAl for nuclear applications
Gazi University, Department of Physics, Ankara, Turkey
* Corresponding author: yasemin@gazi.edu.tr
Published online: 29 September 2017
The structural, elastic, electronic and bonding nature and vibrational properties of UAl in B2 structure under zero pressure have been investigated by performing first principles calculations using density functional theory. The exchange-correlation potentials were treated within the generalized gradient approximation (GGA). The calculated quantities are agreed well with the available results. The electronic properties such as band structure and density of states reveal that UAl is metallic in nature with large overlap at Fermi level. The single-crystal elastic stiffness constants of UAl are investigated using stress-strain method. Present results for elastic constants show that this compound is mechanically metastable which is agreement with previous study [3]. The chemical bonding is interpreted by calculating the density of states and electron density distribution analysis. UAl has metallic bonding characteristic. The presented phonon dispersion curves and one-phonon DOS is also confirmed that this compound is dynamically unstable.
© The Authors, published by EDP Sciences, 2017
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