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Etude ab-initio des propriétés structurales, optoélectroniques et magnétiques des composés Heusler type A3-xBxC

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dc.contributor.author LANTRI Tayeb
dc.date.accessioned 2018-11-29T21:53:00Z
dc.date.available 2018-11-29T21:53:00Z
dc.date.issued 2018-07
dc.identifier.uri http://e-biblio.univ-mosta.dz/handle/123456789/3788
dc.description.abstract We studied Full Heusler materials using the method of plane waves full potential linearized augmented (FP- LAPW ) based on density functional theory (DFT ) implemented in the WIEN2k code, to determine the structural properties electronic, magnetic and optical properties of compounds Co2MSi (M=Cr, Mn, Fe) . The potential for exchange and correlation is treated by various approximations (LSDA, LSDA + U, and hybrid functional EECE). This study allows us to understand the effect the Hubbard interaction and hybrid exchange on electronic and optical properties, and magnetic properties. The results are in close to available experimental values and are represented and interpreted. en_US
dc.language.iso fr en_US
dc.subject : Spintronics properties, Half-metal, Heusler, DFT, GGA, LSDA, LSDA+U, EECE, FP-LAPW. en_US
dc.title Etude ab-initio des propriétés structurales, optoélectroniques et magnétiques des composés Heusler type A3-xBxC en_US
dc.type Thesis en_US


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