Electronic states in cylindrical core-multi-shell nanowire

preprint2021arXivOpen access

Abstract

The recent advances in nanowire (NW) growth technology have made possible the growth of more complex structures such as core-multi-shell (CMS) NWs. We propose the approach for calculation of electron subbands in cylindrical CMS NWs within the simple effective mass approximation. Numerical results are presented for GaAs/Al0.3Ga0.7As{\rm GaAs/Al_{0.3}Ga_{0.7}As} radial heterostructure with AlGaAs-core and 4 alternate GaAs and AlGaAs shells. The influence of an effective mass difference in heterolayers is discussed.

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