Electronic structure and dispersion of compensated n-i-p-i superlattices with small period lengths

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Abstract

A detailed calculation of energy-band structures and dispersion relation of compensated n-i-p-i superlattices with small period lengths is presented. The calculation is based on a multistep-function approach to the real potential form and the transfer-matrix method. The densities of states of conduction subbands have been calculated. We found that the density of states is different for different subbands. Some special features of small-period doping superlattices have been explored, and are compared with properties of long-period n-i-p-i compensated doping superlattices as well as GaAs-AlxGa1-xAs compositional superlattices.

Original languageEnglish
Pages (from-to)5561-5566
Number of pages6
JournalPhysical Review B
Volume40
Issue number8
DOIs
StatePublished - 1989

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