Abstract
Abstract Magneto-optical transport properties of GaAs/Ga1−κAlκAs parabolic potential quantum-wells (PQWs) under the effects of Al-contents, hydrostatic pressure, and temperature is examined by studying their effects on the absorption power (AP) for magnetophonon resonance (MPR) and on the full width at half maximum (FWHM) of the optically-detected-MPR (ODMPR) peak due to modes confinement represented by slab-mode model, Huang-Zhu (HZ) model, guided-mode model. The numerical results indicate the Al-contents, pressure, as well as temperature which have great effect on the AP and FWHM in PQWs. Moreover, the results are also compared to bulk phonon modes for both two processes of phonons (emission and absorption). The results denote that phonon absorption process is always much more dominant compared to phonon emission process for four types of above phonons. In particular, the influences of pressure, Al-concentration in Ga1−κAlκAs barriers on the magneto-phonon resonance AP and FWHM in PQWs are more pronounced as confined modes are taken into account.
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