A systematIc study has been carned out on the design of long-wavelength Infrared detector matenals from InAs/GaSb and InAs/GalnSb superlatllces with absorpl1on energies below 250 meV. i.e .\ > Slim. The influence from layer thicknesses and alloy composition on cut-off wavelength and opllcal matnx el
Electron transport in InAs/Ga1-xInxSb superlattices
โ Scribed by C.A. Hoffman; J.R. Meyer; E.R. Youngdale; F.J. Bartoli; R.H. Miles; L.R. Ram-Mohan
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 357 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0038-1101
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We report a study of the vertical transport of short-period InAs=GaSb superlattices in high parallel magnetic รฟelds. At low magnetic รฟeld, the current-voltage characteristic exhibits a double negative di erential conductance feature. We attribute the รฟrst peak to Esaki-Tsu miniband conduction and th
## Abstract The vibrational properties of the mixed crystals Ga~1โ__x__~In~__x__~As and Ga~1โ__x__~In~__x__~Sb are investigated using the coherentโpotential approximation (CPA). These IIIโV systems switch from oneโmode to twoโmode behaviour as the composition is changed. Results are obtained for a