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1 results

  • 2 - Electrons in Semiconductors

  • Mauro Nisoli, Politecnico di Milano
  • Book:
    Semiconductor Laser Photonics
    Published online:
    10 November 2022
    Print publication:
    24 November 2022, pp 40-68

  • Summary

    Born-von Karman boundary conditions; density of states in bulk materials, quantum wells, and quantum wires. Carrier statistics in semiconductors: Fermi-Dirac distribution function, electron and hole density in the conduction and valence bands. Nondegenerate semiconductors; effective density of states; intrinsic semiconductors. Mass-action law. Doped semiconductors: donors and acceptors; hydrogen-like model. Degenerate semiconductors. Quasi-Fermi levels in nonequilibrium systems. Charge transport in semiconductors. Diffusion current.