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2016 | 129 | 1a | A-107-A-110
Article title

Density of States and Photoluminescence Spectra in the Dense Arrays of Epitaxial CdSe/ZnSe Quantum Dots with Gaussian Potential Profile

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The paper reports on the studies of excitonic level arrangement in dense arrays of CdSe/ZnSe quantum dots grown by molecular beam epitaxy. Our modeling, exploiting experimental data obtained by optical and transmission electron microscopy studies, has exhibited inconsistency between the energy and width of experimental emission band and those predicted by a straightforward model for calculation of the density of excitonic states in the dots. To reach an agreement, we assume possibility of energy transfer between the adjacent dots of different sizes and propose ways for its experimental verification.
Physical description
  • Ioffe Institute, 26 Politekhnicheskaya, St. Petersburg 194021, Russia
  • Ioffe Institute, 26 Politekhnicheskaya, St. Petersburg 194021, Russia
  • Ioffe Institute, 26 Politekhnicheskaya, St. Petersburg 194021, Russia
  • Ioffe Institute, 26 Politekhnicheskaya, St. Petersburg 194021, Russia
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