Abstract
The electron mobility conditioned by confined and interface polar-optical phonons for a quasi-one-dimensional cylindrical quantum wire embedded in a dielectric medium is investigated analytically. It is shown that the inclusion of the polar optical phonon confinement effects is crucial for accurate calculation of the low-field electron mobility in quantum wire. Taking into account the inelasticity of the electron-polar optical phonon interaction, the electron mobility is derived by a method which was successfully applied in three- and quasi-two-dimensional cases. The contribution of intersubband transitions to electron mobility for the Cd 0.35 Zn 0.65 Se quantum wire embedded in the CdZn dielectric medium is estimated. The extremums on the mobility dependences on wire radius and Cd concentration are obtained.
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