Abstract
Surface polar-optical phonons are analyzed for semiconductor quantum rods (QR). The cylindrical symmetry is modelled in the form of a prolate spheroid where the aspect-ratio is identified with the corresponding ratio of the ellipsoid semiaxes. Using a theory based on the dielectric continuum approach, we consider a single CdSe QR inserted in a host material, assumed as an infinite dielectric, and viewed as an inactive rigid medium to the oscillations. Our results for CdSe are discussed, together with the differences from spherical and quasi-spherical quantum dots. We believe these are important steps to help the understanding of future experiments in this new class of materials.
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