Binding Energies and Optical Properties of Power-Exponential and Modified Gaussian Quantum Dots

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dc.authoridWong, Bryan/0000-0002-3477-8043
dc.authoridUngan, Fatih/0000-0003-3533-4150
dc.contributor.authorAlauwaji, Ruba Mohammad
dc.contributor.authorDakhlaoui, Hassen
dc.contributor.authorAlgraphy, Eman
dc.contributor.authorUngan, Fatih
dc.contributor.authorWong, Bryan M.
dc.date.accessioned2024-10-26T18:11:12Z
dc.date.available2024-10-26T18:11:12Z
dc.date.issued2024
dc.departmentSivas Cumhuriyet Üniversitesi
dc.description.abstractWe examine the optical and electronic properties of a GaAs spherical quantum dot with a hydrogenic impurity in its center. We study two different confining potentials: (1) a modified Gaussian potential and (2) a power-exponential potential. Using the finite difference method, we solve the radial Schrodinger equation for the 1s and 1p energy levels and their probability densities and subsequently compute the optical absorption coefficient (OAC) for each confining potential using Fermi's golden rule. We discuss the role of different physical quantities influencing the behavior of the OAC, such as the structural parameters of each potential, the dipole matrix elements, and their energy separation. Our results show that modification of the structural physical parameters of each potential can enable new optoelectronic devices that can leverage inter-sub-band optical transitions.
dc.identifier.doi10.3390/molecules29133052
dc.identifier.issn1420-3049
dc.identifier.issue13
dc.identifier.pmid38999002
dc.identifier.scopus2-s2.0-85198462000
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.3390/molecules29133052
dc.identifier.urihttps://hdl.handle.net/20.500.12418/30565
dc.identifier.volume29
dc.identifier.wosWOS:001266587200001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherMdpi
dc.relation.ispartofMolecules
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectoptical absorption coefficient
dc.subjectbinding energy
dc.subjectGaAs quantum dot
dc.subjectSchr & ouml;dinger equation
dc.subjecthydrogenic impurity
dc.titleBinding Energies and Optical Properties of Power-Exponential and Modified Gaussian Quantum Dots
dc.typeArticle

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