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- Bilkent UniversityTR5 papers
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4 papers · 1 filter
The inter-sublevel optical properties of a spherical quantum dot-quantum well with and without a donor impurity
Hatice Taş, Mehmet Sahin
In this study, we have investigated the inter-sublevel optical properties of a core/shell/well/shell spherical quantum dot with the form of quantum dot-quantum well heterostructure…
The photoionization cross section of a hydrogenic impurity in a multi-layered spherical quantum dot
Mehmet Sahin, Firdes Tek, Ahmet Erdinç
In this study, we have investigated the photoionization cross section of an on-center hydrogenic impurity in a multi-layered spherical quantum dot. The electronic energy levels and…
The electronic properties of a core/shell/well/shell spherical quantum dot with and without a hydrogenic impurity
Hatice Taş, Mehmet Sahin
In this study, we have performed a detailed investigation of the electronic properties of a core/shell/well/shell multi-layered spherical quantum dot, such as energy eigenvalues, w…
A new model for the recombination and radiative lifetime of trions and biexcitons in spherically shaped semiconductor nanocrystals
Mehmet Sahin, Fatih Koc
In this letter, we propose a new model to determine the recombination oscillator strength of trions and biexcitons for bound and unbound cases in the effective mass approximation.…