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Nonplanar two-dimensional electron gases in InAs heterostructures on GaAs
Using transport measurements in tilted magnetic fields we observe direct evidence of a nonplanar electron system in an InAs/InGaAs quantum well. The corrugation results from the lattice-mismatched epitaxial growth of the heterostructure on a GaAs substrate. We argue that the curvature of the electro...
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Published in: | Applied physics letters 2004-01, Vol.84 (4), p.550-552 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Using transport measurements in tilted magnetic fields we observe direct evidence of a nonplanar electron system in an InAs/InGaAs quantum well. The corrugation results from the lattice-mismatched epitaxial growth of the heterostructure on a GaAs substrate. We argue that the curvature of the electron system may result in an appreciable effective spin-orbit interaction. |
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ISSN: | 0003-6951 1077-3118 |
DOI: | 10.1063/1.1644333 |