Improvement of the Processes of Liquid-Phase Epitaxial Growth of Nanoheteroepitaxial Structures

  • I. I. Maronchuk
  • D. D. Sanikovich
  • P. V. Potapkov
  • A. A. Vel′chenko
NANOSTRUCTURES
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We have revealed the shortcomings of equipment and technological approaches in growing nanoheteroepitaxial structures with quantum dots by liquid-phase epitaxy. We have developed and fabricated a new vertical barreltype cassette for growing quantum dots and epitaxial layers of various thicknesses in one technological process. A physico-mathematical simulation has been carried out of the processes of liquid-phase epitaxial growth of quantumdimensional structures with the use of the program product SolidWorks (FlowSimulation program). Analysis has revealed the presence of negative factors influencing the growth process of the above structures. The mathematical model has been optimized, and the equipment has been modernized without additional experiments and measurements. The flow dynamics of the process gas in the reactor at various flow rates has been investigated. A method for tuning the thermal equipment has been developed. The calculated and experimental temperature distributions in the process of growing structures with high reproducibility are in good agreement, which confirms the validity of the modernization made.

Keywords

liquid-phase epitaxy pulsed cooling nanoheteroepitaxial structures quantum dots germanium silicon substrate surface solar cell 

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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • I. I. Maronchuk
    • 1
  • D. D. Sanikovich
    • 1
  • P. V. Potapkov
    • 1
  • A. A. Vel′chenko
    • 2
  1. 1.Sevastopol State UniversitySevastopolRussia
  2. 2.Belarusian State Agrarian Technical UniversityMinskBelarus

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