Publication:
The structural, mechanical, electronic, and optical properties of multiferroic LiCu2O2 under different pressures

buir.contributor.authorÖzbay, Ekmel
buir.contributor.authorMamedov, Amirullah M.
dc.citation.epage10
dc.citation.issueNumber1
dc.citation.spage1
dc.citation.volumeNumber48
dc.contributor.authorKoç, Hüsnü
dc.contributor.authorŞimşek, Şevket
dc.contributor.authorMamedov, Amirullah M.
dc.contributor.authorÖzbay, Ekmel
dc.date.accessioned2025-02-20T06:07:44Z
dc.date.available2025-02-20T06:07:44Z
dc.date.issued2024-12-18
dc.departmentNanotechnology Research Center (NANOTAM)
dc.description.abstractIn this work, the structural, mechanical, and electronic properties of LiCu2O2 compound under different pressures were studied using the density functional theory. The spin-polarized generalized-gradient approximation has been used for modelling the exchange-correlation effects. In particular, the electronic structure under zero pressure was analysed using both conventional GGA-PBE and meta-GGA (mBJLDA) functional. The structural optimization was performed by using VASP-code, and the lattice parameters and magnetic moments were calculated. Bulk modulus, shear modulus, Young’s modulus, Poisson’s ratio, anisotropy factors, sound velocities, and Debye temperature were obtained from the calculated elastic constants for LiCu2O2 compound. While the electronic band structures obtained from both functionals for spin up under zero pressure are semiconductor in nature, the electronic band structures obtained from PBE and mBJLDA functionals for spin down are narrow semiconductor and semiconductor, respectively. For the spin-up state, the Eg value decreases linearly after 5 GPa, while the Eg value increases linearly for the spin-down state. The real and imaginary parts of the dielectric function along the x, y, and z axes and the optical constants, such as the energy loss function, refractive index, reflectivity coefficient, and extinction coefficient are also calculated and presented.
dc.identifier.doi10.1007/s12034-024-03365-3
dc.identifier.eissn0973-7669
dc.identifier.issn0250-4707
dc.identifier.urihttps://hdl.handle.net/11693/116469
dc.language.isoEnglish
dc.publisherIndian Academy of Sciences
dc.relation.isversionofhttps://dx.doi.org/10.1007/s12034-024-03365-3
dc.rightsCC BY 4.0 (Attribution 4.0 International Deed)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/deed.en
dc.source.titleBulletin of Materials Science
dc.subjectDensity functional theory
dc.subjectMechanical properties
dc.subjectElectronic structure
dc.subjectOptical properties
dc.titleThe structural, mechanical, electronic, and optical properties of multiferroic LiCu2O2 under different pressures
dc.typeArticle
dspace.entity.typePublication

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