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Electronic structure and optical properties of triangular GaAs/AlGaAs quantum dots: Exciton and impurity states 

Tiutiunnyk A.; Akimov V.; Tulupenko V.; Mora-Ramos M.E.; Kasapoglu E.; Ungan F.; Sökmen I.; Morales A.L.; Duque C.A.
Electronic structure and optical properties in equilateral triangular GaAs/Al0.3Ga0.7As quantum dots are studied extensively. The effects of donor and acceptor impurity atoms positioned in the orthocenter of the triangle, ...
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Ab initio study of hydrogen chemisorption in nitrogen-doped carbon nanotubes 

Correa J.D.; Florez E.; Mora-Ramos M.E.
The electronic structure of single walled nitrogen-doped carbon nanotubes is calculated by first principles using density functional theory within the supercell approach with periodic boundary conditions. The effect of the ...
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Laterally coupled circular quantum dots under applied electric field 

Duque C.M.; Correa J.D.; Morales A.L.; Mora-Ramos M.E.; Duque C.A.
The optical response of a system of two laterally coupled quantum dots with circular cross-sectional shape is investigated within the effective mass approximation, taking into account the effects of the change in the ...
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Role of external fields on the nonlinear optical properties of a n-type asymmetric δ -doped double quantum well 

Salman Durmuslar A.; Mora-Ramos M.E.; Ungan F.
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Donor impurity states in semiconductor zincblende nitride quantum systems as a source of nonlinear optical response 

Correa J.D.; Mora-Ramos M.E.; Duque C.A.
The optical absorption and the optical rectification coefficients associated to hydrogenic impurity interstate transitions in zincblende GaN-based nanostructures of the quantum wire type are investigated. The system is ...
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Opto-electronic properties of twisted bilayer graphene quantum dots 

Tiutiunnyk A.; Duque C.A.; Caro-Lopera F.J.; Mora-Ramos M.E.; Correa J.D.
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Nonlinear optical response in a zincblende GaN cylindrical quantum dot with donor impurity center 

Hoyos J.H.; Correa J.D.; Mora-Ramos M.E.; Duque C.A.
We calculate the nonlinear optical absorption coefficient of a cylindrical zincblende GaN-based quantum dot. For this purpose, we consider Coulomb interactions between electrons and an impurity ionized donor atom. The ...
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Electronic and optical properties of an electro-magnetic non-uniform narrow quantum ring under repulsive scattering centre 

Salazar-Santa J.D.; Mora-Ramos M.E.; Marín J.H.
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Opto-electronic properties of blue phosphorene oxide with and without oxygen vacancies 

Zuluaga-Hernández E.A.; Flórez E.; Dorkis L.; Mora-Ramos M.E.; Correa J.D.
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Nonlinear optical properties of n-type asymmetric double δ -doped quantum wells: role of high-frequency laser radiation, doping concentration and well width 

Durmuslar A.S.; Mora-Ramos M.E.; Ungan F.
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Author
Mora-Ramos M.E. (31)
Correa J.D. (14)Duque C.A. (13)Ungan F. (6)Tiutiunnyk A. (5)Akimov V. (4)Morales A.L. (4)Bahar M.K. (3)Caro-Lopera F.J. (3)Feddi E. (3)... View MoreSubjectDensity functional theory (4)Electronic properties (4)Optical properties (4)DFT (3)Electronic structure (3)Energy gap (3)Nonlinear optical response (3)2D photonic crystals (2)Binding energy (2)Electric field (2)... View MoreDate Issued2016 (6)2017 (4)2014 (1)2021 (1)2022 (1)Has File(s)No (31)
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