Electron-phonon interaction in CdTe/CdMnTe/CdMgTe quantum wells
X. F. Wang (1, 2), I. C. da Cunha Lima (1), A. Troper (1, 2), ((1)Universidade do estado do Rio de Janeiro, Brazil, (2) Centro Brasileiro, de Pesquisas Fisidas, Brazil)
TL;DR
This paper investigates electron-phonon interactions and vibrational modes in specific CdTe-based quantum well structures, providing detailed scattering rates and vibrational mode analysis using the dielectric continuum model.
Contribution
It presents a detailed analysis of electron-phonon and hole-phonon interactions in magnetic quantum wells, including vibrational mode calculations and scattering rates, for the first time in these structures.
Findings
Identified confined and interface vibrational modes in the structures.
Calculated electron and hole scattering rates for intra- and inter-subband transitions.
Provided insights into electron-phonon coupling effects in magnetic quantum wells.
Abstract
The optic vibrational (confined and interface) modes and the electron-phonon and hole-phonon interactions are obtained, in the dielectric continuum model, for two diluted magnetic semiconductor structures: a single well of Cd1-xMnxTe/Cd1-yMgyTe with the magnetic ions in the well, and a double well of CdTe/Cd1-xMnxTe, in which a thin layer of the magnetic material is grown in the middle of the structure. The scattering rates for the intra- and the inter-subband transitions are obtained for electrons and holes.
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