Probing the physical properties of MLiCeF (M = Rb and Cs) double perovskite compounds for prospective high-energy applications employing the DFT framework
RSC Advances, ISSN: 2046-2069, Vol: 13, Issue: 23, Page: 15457-15466
2023
- 43Citations
- 23Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations43
- Citation Indexes43
- 43
- CrossRef16
- Captures23
- Readers23
- 23
Article Description
Herein, the optoelectronic, structural, thermoelectric, and elastic characteristics of MLiCeF (M = Rb and Cs) double perovskite compounds were investigated using ab initio modeling in the DFT framework. The Birch-Murnaghan fitting curve used for the optimization showed that these two compounds are structurally stable. The elastic properties of the MLiCeF (M = Rb and Cs) double perovskite compounds were examined using the IRelast code. The results showed that these two compounds possess mechanical stability, anisotropy, and toughness, and offer resistance to plastic deformation. The precise and accurate determination of their electronic properties was achieved via the Trans-Blaha-modified Becke-Johnson (TB-mBJ) approximation. The RbLiCeF and CsLiCeF compounds are narrow band gap semiconductors with band gaps of 0.6 eV and 0.8 eV at the high symmetrical points from (Γ-M), respectively, exhibiting an indirect nature. To further understand how the various states contribute to the different band structures, total and partial density of state (DOS) computations were performed. The optical properties in the energy range of 0-40 eV for RbLiCeF and CsLiCeF were explored. The selected materials show transparency in the low incident photon energy range and have large light absorption and transmission at higher photon energies. Thus, it can be concluded that RbLiCeF and CsLiCeF can be used in high-frequency UV devices based on their optical characteristics. Both materials exhibit high electrical conductivity, power factors, and figures of merit (ZT) and act as effective thermoelectric resources. To the best of our knowledge, this is the first theoretical research on the optoelectronic, structural, thermoelectric, and elastic features of MLiCeF (M = Rb and Cs).
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85162791848&origin=inward; http://dx.doi.org/10.1039/d3ra01451g; http://www.ncbi.nlm.nih.gov/pubmed/37275204; https://xlink.rsc.org/?DOI=D3RA01451G; https://dx.doi.org/10.1039/d3ra01451g; https://pubs.rsc.org/en/content/articlelanding/2023/ra/d3ra01451g
Royal Society of Chemistry (RSC)
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