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Excitions in Quantum-Dot Quantum Well Structures



W Jaskolski, Garnett W. Bryant


The energy levels and excitation spectra of multi-shell nanocrystals composed of ZnS and CdS layers are investigated. The calculations are performed both in the 6-band envelope function approximation and in the tight-binding approach. Charge separation of pair states, with the electron and hole in different layers, is observed in a number of structures. For some structures, a dim-exciton ground state is observed.
NATO Advanced Research Workshop


exciton, nanocrystals, quantum dot


Jaskolski, W. and Bryant, G. (2008), Excitions in Quantum-Dot Quantum Well Structures, NATO Advanced Research Workshop (Accessed March 3, 2024)
Created October 16, 2008