Quantum confinement energies in zinc-blende III–V and group IV semiconductors

Blueshift of the band gap due to quantum confinement is calculated in a tight-binding model for a series of nine III–V zinc-blende AB and two diamond group-IV semiconductor clusters

G. Allan; Y. M. Niquet; C. Delerue

2002

Scholarcy highlights

  • Blueshift of the band gap due to quantum confinement is calculated in a tight-binding model for a series of nine III–V zinc-blende AB and two diamond group-IVsemiconductor clusters
  • Analytic expressions for the highest occupied molecular orbital and lowest unoccupied molecular orbital energy levels are given as a function of the cluster size
  • Comparison is made to results obtained by the pseudopotential method and to experimental results
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