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Proceedings Paper

Nonparabolicity effect upon the electron mobility in PbTe/PbSnTe quantum wells
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Paper Abstract

The in-plane electron mobility limited by the interaction of the degenerate electron gas with the confined LO-phonons is investigated in the extreme quantum limit. The layered structures PbTe/PbSnTe with axes < 111 > are considered. A square quantum well approximation is assumed for the calculations. The influence of Kane's two-band energetic structure of the electrons is taken into account. It is shown that the manifestations of the non-parabolicity of the electron energy dispersion law in quantum size case are twofold: (a) as a bulk-like non-parabolicity, considerably reducing the calculated mobility, (b) as effective mass quantization whose influence on the mobility arises at small quantum well width.

Paper Details

Date Published: 26 August 1997
PDF: 4 pages
Proc. SPIE 3182, Material Science and Material Properties for Infrared Optoelectronics, (26 August 1997); doi: 10.1117/12.280435
Show Author Affiliations
Vladimir V. Bondarenko, Institute of Semiconductor Physics (Ukraine)

Published in SPIE Proceedings Vol. 3182:
Material Science and Material Properties for Infrared Optoelectronics
Fiodor F. Sizov; Vladimir V. Tetyorkin, Editor(s)

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