Optoelectronic behavior of Quaternary Uranium Chalcogenides Rb2Pd3UM6 (M = S, Se): A first principle study

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23640%2F14%3A43924317" target="_blank" >RIV/49777513:23640/14:43924317 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.jallcom.2014.06.180" target="_blank" >http://dx.doi.org/10.1016/j.jallcom.2014.06.180</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jallcom.2014.06.180" target="_blank" >10.1016/j.jallcom.2014.06.180</a>

Result language
angličtina
Original language name
Optoelectronic behavior of Quaternary Uranium Chalcogenides Rb2Pd3UM6 (M = S, Se): A first principle study
Original language description
First principle calculations of electronic, Fermi surface, electronic charge density and optical properties of Quaternary Uranium Chalcogenides Rb2Pd3UM6 (M = S, Se) are performed using full potential linear augmented plane wave (FP-LAPW) method within the frame work of density functional theory. Using mBJ method, the electronic band curves overlap at Fermi level and show metallic band structure for both compounds. The calculated densities of states (DOS) spectra show that the valence band is mainly attributed to Rb-p, Pd-d and S-s/p or Se-s/p states; conduction band is mainly attributed to Pd-d, U-f and S-p or Se-p/d states. From the electronic charge density spectrum, it is revealed that a strong covalent bond exists between Pd and S, and Pd or Se while charge transfer between U and S, U and Se, Rb and S, and Rb and Se atoms results in ionic bond nature. It is noted from Fermi surface calculations that both compounds comprise same number of fast velocity electrons but differs in slow
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BE - Theoretical physics
OECD FORD branch
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Project
<a href="/en/project/ED2.1.00%2F03.0088" target="_blank" >ED2.1.00/03.0088: Centre of the New Technologies and Materials</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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