Current-voltage discontinuities in high-quality two-dimensional electron systems at low Landau-level filling factors

R. L. Willett, H. L. Stormer, D. C. Tsui, L. N. Pfeiffer, K. W. West, M. Shayegan, M. Santos, T. Sajoto

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Abstract

We report the observation of discontinuities in the dV/dI characteristics of high-mobility two-dimensional (2D) electron systems in GaAs/AlxGa1-xAs heterostructures at very low Landau-level filling factors. We discuss a model of inhomogeneous current transport that is able to account for many of the observations independent of the 2D electron state.

Original languageEnglish (US)
Pages (from-to)6432-6435
Number of pages4
JournalPhysical Review B
Volume40
Issue number9
DOIs
StatePublished - Jan 1 1989

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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    Willett, R. L., Stormer, H. L., Tsui, D. C., Pfeiffer, L. N., West, K. W., Shayegan, M., Santos, M., & Sajoto, T. (1989). Current-voltage discontinuities in high-quality two-dimensional electron systems at low Landau-level filling factors. Physical Review B, 40(9), 6432-6435. https://doi.org/10.1103/PhysRevB.40.6432