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A mobility calculation for a GaAs/GaAlAs superlattice
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UNSPECIFIED (1986) A mobility calculation for a GaAs/GaAlAs superlattice. SEMICONDUCTOR SCIENCE AND TECHNOLOGY, 1 (2). pp. 133-136. ISSN 0268-1242.
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Abstract
We consider a GaAs/GaAIAs superlattice with a small electric field applied perpendicular to the layer planes. The electronic structure is examined in the envelope function approximation and the resulting miniband structure is used in a Boltzmann treatment of the polar optic phonon limited mobility at 300 K. The relaxation time approximation is inadequate due to the inelasticity of the scattering mechanism and the anisotropy of the minibands. We solve the Boltzmann equation exactly using an iterative method and find mobilities which are twice as large as those obtained in the relaxation time approximation.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics |
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| Journal or Publication Title: | SEMICONDUCTOR SCIENCE AND TECHNOLOGY | ||||
| Publisher: | IOP PUBLISHING LTD | ||||
| ISSN: | 0268-1242 | ||||
| Official Date: | August 1986 | ||||
| Dates: |
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| Volume: | 1 | ||||
| Number: | 2 | ||||
| Number of Pages: | 4 | ||||
| Page Range: | pp. 133-136 | ||||
| Publication Status: | Published |
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