ORCID Profile
0000-0002-6857-4727
Current Organisations
University of Barisal
,
Nagoya Institute of Technology
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Publisher: Elsevier BV
Date: 02-2019
Publisher: IOP Publishing
Date: 11-11-2022
Abstract: A DFT-based theoretical technique is used to investigate the physical characteristics of type-II MgPd 2 Sb superconductor, which reveals superconductivity below 2.83 K. By using the McMillan equation, the computed electron-phonon coupling constant is 0.60. This suggests that this compound can be classified as a weakly coupled superconductor, which is consistent in accordance with earlier published theoretical as well as experimental results. The calculated lattice parameter, density of state (DOS) and Debye temperature are also consistent with other studies. The calculated electronic band structure indicates that the studied compound is metallic in nature. For the first time we have investigated the detailed optical and mechanical characteristics of MgPd 2 Sb superconductor. The computed elastic constant reveals that this compound is mechanically stable and ductile. The anisotropy of the MgPd 2 Sb superconductor is determined by using the Zener anisotropic algorithm and the ELATE code.The optical properties of this Heusler type superconductor are nearly similar to other members of the same family. We believe that the present findings can assist researchers in finding and analyzing new superconducting candidates among the full-Heusler alloys.
Publisher: Springer Science and Business Media LLC
Date: 24-02-2021
Publisher: AIP Publishing
Date: 07-2021
DOI: 10.1063/5.0057287
Abstract: All-inorganic cubic cesium germanium bromide (CsGeBr3) and cesium tin bromide (CsSnBr3) perovskites have attracted much attention because of their outstanding optoelectronic properties that lead to many modern technological applications. During their evolution process, it can be helpful to decipher the pressure dependence of structural, optical, electronic, and mechanical properties of CsXBr3 (X = Ge/Sn) based on ab initio simulations. The lattice parameter and unit cell volume have been decreased by applying pressure. This study reveals that the absorption peak of CsXBr3 (X = Ge/Sn) perovskites is radically changed toward the lower photon energy region with the applied pressure. In addition, the conductivity, reflectivity, and dielectric constant have an increasing tendency under pressure. The study of electronic properties suggested that CsXBr3 (X = Ge/Sn) perovskites have a direct energy bandgap. It is also found through the study of mechanical properties that CsXBr3 (X = Ge/Sn) perovskites are ductile under ambient conditions and their ductility has been significantly improved with pressure. The analysis of bulk modulus, shear modulus, and Young’s modulus reveals that hardness of CsXBr3 (X = Ge/Sn) perovskites has been enhanced under external pressure. These outcomes suggest that pressure has a significant effect on the physical properties of CsXBr3 (X = Ge/Sn) perovskites that might be promising for photonic applications.
Publisher: Elsevier BV
Date: 06-2021
Location: United Kingdom of Great Britain and Northern Ireland
Location: Bangladesh
No related grants have been discovered for Md. Arif Ul Islam.