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InAs self-assembled quantum dots as controllable scattering centers near a two-dimensional electron gas

✍ Scribed by Ribeiro, E.; Müller, E.; Heinzel, T.; Auderset, H.; Ensslin, K.; Medeiros-Ribeiro, G.; Petroff, P. M.

Book ID
124066374
Publisher
The American Physical Society
Year
1998
Tongue
English
Weight
471 KB
Volume
58
Category
Article
ISSN
1098-0121

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Transport properties of two-dimensional
Transport properties of two-dimensional electron gases in Ga[Al]As heterostructures containing InAs self-assembled quantum dots
✍ E Ribeiro; R Jäggi; T Heinzel; K Ensslin; T.G Medeiros-Ribeiro; P.M Petroff 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 295 KB

We have performed transport experiments on two-dimensional electron gases in a GaAs-Alo.sGa,-/As heterostructure containing InAs self-assembled quantum dots in close proximity to the heterointerface. We find that the dots act as repulsive scatterers and dominate the mobility. In the samples with the