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Excitons in the wurtzite AlGaN/GaN quantum-well heterostructures
E. P. Pokatilov, D. L. Nika, V. M. Fomin +1
We have theoretically studied exciton states and photoluminescence spectra of strained wurtzite AlGaN/GaN quantum-well heterostructures. The electron and hole energy spectra are ob…
Influence of the Characteristics of the STM-tip on the Electroluminescence Spectra
M. D. Croitoru, V. N. Gladilin, V. M. Fomin +4
We analyze the influence of the characteristics of the STM-tip (applied voltage, tip radius) on the electroluminescence spectra from an STM-tip-induced quantum dot taking into acco…
Optical properties of polaronic excitons in stacked quantum dots
V. N. Gladilin, S. N. Klimin, V. M. Fomin +1
We present a theoretical investigation of the optical properties of polaronic excitons in stacked self-assembled quantum dots, which is based on the non-adiabatic approach. A paral…
Optical spectra of quantum dots: effects of non-adiabaticity
J. T. Devreese, V. M. Fomin, E. P. Pokatilov +2
It is shown that in many cases an adequate description of optical spectra of semiconductor quantum dots requires a treatment beyond the commonly used adiabatic approximation. We ha…
Development of an eight-band theory for quantum-dot heterostructures
E. P. Pokatilov, V. A. Fonoberov, V. M. Fomin +1
We derive a nonsymmetrized 8-band effective-mass Hamiltonian for quantum-dot heterostructures (QDHs) in Burt's envelope-function representation. The 8x8 radial Hamiltonian and the…