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Energy band-structure estimation of semiconductor nanotubes with consideration of momentum space quantization
Published in Institute of Electrical and Electronics Engineers Inc.
Pages: 1 - 4
In the current work, the effect of quantum confinement in the band structure of semiconductor nanotubes is investigated. The confinement of electrons in the momentum space is incorporated in sp 3 s∗ model to determine band structure of the nanotubes. The spherically symmetric r-point of nanotube energy bands is observed to split into cylindrically symmetric r′ and spherically symmetric r″ points due to confinement in transverse directions. Such splitting of r-point leads to increase the band gap ofnanotubes which further increases to a large extent with the decrease of nanotube core diameter and wall thickness. Such semiconductor nanotubes exhibit novel properties which can be exploited for developing novel quantum electronic devices. © 2018 IEEE.
About the journal
JournalData powered by Typeset2018 International Symposium on Devices, Circuits and Systems, ISDCS 2018
PublisherData powered by TypesetInstitute of Electrical and Electronics Engineers Inc.
Open AccessNo