Kondratenko S. Photogeneration and recombination of non-equilibrium charge carriers in semiconductor nanoheterostructures Si1-xGex/Si and InxGa1-xAs/GaAs

Українська версія

Thesis for the degree of Doctor of Science (DSc)

State registration number

0513U000791

Thesis Registration Form

0513U000791.pdf

Applicant for

Specialization

  • 01.04.05 - Оптика, лазерна фізика

25-06-2013

Specialized Academic Board

Д 26.001.23

Taras Shevchenko National University of Kyiv

Essay

The thesis presents the study of the photogeneration and recombination of nonequilibrium charge carriers, and the determination of photoconductivity mechanisms in semiconductor SiGe/Si and InGaAs/GaAs heterostructures with the quantum-sized objects. First identified and separated as quantum cells, on the one hand, and the interface on the other, the effects of conductivity and photoconductivity. It is shown that the exchange of carriers between these subsystems defines the mechanism of photoconductivity of epitaxial heterosystems of nanoscale objects. The existence of variations of the electrostatic potential and established their role in the residual conductivity and optical quenching of conductivity.

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Files

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