D Abouelaoualim
Articles written in Pramana – Journal of Physics
Volume 66 Issue 2 February 2006 pp 455-465
Electron-confined LO-phonon scattering in GaAs-Al0.45Ga0.55As superlattice
We develop a theoretical model to the scattering time due to the electron-confined LO-phonon in GaAs-AlxGa1-xAs superlattice taking into account the sub-band parabolicity. Using the new analytic wave function of electron miniband conduction of superlattice and a reformulation slab model for the confined LO-phonon modes, an expression for the electron-confined LO-phonon scattering time is obtained. In solving numerically a partial differential equation for the phonon generation rate, our results show that for
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