Phonon Spectra and Electron-Phonon Interaction in a Combined Cylindrical Semiconductor Nanotube
DOI:
https://doi.org/10.15407/ujpe57.10.1060Keywords:
-Abstract
A theory of electron-phonon interaction in a combined cylindrical semiconductor nanotube has been developed in the framework of the effective mass model for electrons and a dielectric continuum for phonons. Analytical expressions for Hamiltonians of electron interaction with confined and interface phonons have been derived in the secondary quantization representation for electron and phonon variables. Dependences of the phonon energies and the interface phonon polarization field potential on the axial quasimomentum and the geometrical parameters of a combined nanotube fabricated on the basis of GaAs and Al0.4Ga0.6As semiconductors have been studied.
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