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New phenomena in coupled transport between 2D and 3D electron-gas layers
Abstract
We report, for the first time, measurements of a current-to-current coupling between 2D and 3D electron-gas (EG) layers in the AlGaAs/GaAs system, utilizing an ${\mathrm{n}}^{+}$ GaAs gate as the 3DEG layer. Current driven through either of the layers, which are only 30 nm apart, induces current flow in the other layer. Current-to-current transfer ratios of the order of 3\ifmmode\times\else\texttimes\fi{}${10}^{\mathrm{\ensuremath{-}}5}$ have been observed, and there is a sign reversal of the interaction at temperatures below 40 K. This and other effects can be explained by invoking Coulomb mutual scattering to couple energy and momentum between the two layers.
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Citations
Cited by
Hirsch, J. E. (1999) · Physical Review Letters · doi:10.1103/physrevlett.83.1834 · Cited by 3,163
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Gorbachev, R. V., Geim, A. K., Katsnelson, M. I., Novoselov, K. S., Tudorovskiy, T., Grigorieva, I. V., MacDonald, A. H., Morozov, S. V., Watanabe, K., Taniguchi, T., et al. (2012) · Nature Physics · doi:10.1038/nphys2441 · Cited by 431
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Koski, J. V., Kutvonen, A., Khaymovich, I. M., Ala-Nissila, T., & Pekola, J. P. (2015) · Physical Review Letters · doi:10.1103/physrevlett.115.260602 · Cited by 335
Metadata
- Authors
- Solomon, P., Price, P., Frank, D., & La Tulipe, D.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1989-11
- Volume
- 63
- Issue
- 22
- Pages
- 2508-2511
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W2052138231
- Cited by
- 188
- References
- 0
- FWCI
- 3.87
- Type
- journal article
- Language
- en
- Open access
- closed
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- Solomon, P., Price, P., Frank, D., & La Tulipe, D. (1989). New phenomena in coupled transport between 2D and 3D electron-gas layers. Physical Review Letters. https://doi.org/10.1103/physrevlett.63.2508
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