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26 August 1997 Nonparabolicity effect upon the electron mobility in PbTe/PbSnTe quantum wells
Vladimir V. Bondarenko
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Proceedings Volume 3182, Material Science and Material Properties for Infrared Optoelectronics; (1997) https://doi.org/10.1117/12.280435
Event: Material Science and Material Properties for Infrared Optoelectronics, 1996, Uzhgorod, Ukraine
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.
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Vladimir V. Bondarenko "Nonparabolicity effect upon the electron mobility in PbTe/PbSnTe quantum wells", Proc. SPIE 3182, Material Science and Material Properties for Infrared Optoelectronics, (26 August 1997); https://doi.org/10.1117/12.280435
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KEYWORDS
Quantum wells
Quantization
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