Non-linear transport in very high landau levels of two-dimensional electron systems

Michael Zudov, Hung-Sheng Chiang, A. T. Hatke, W. Zhang, L. N. Pfeiffer, K. W. West

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

We study magnetoresistivity oscillations induced by microwave radiation or acoustic phonons in high-mobility two-dimensional electron systems subject to dc electric field. In microwave-irradiated samples the response is governed by combined electron transitions, composed of microwave absorption and scattering off impurities. In non-irradiated samples, acoustic phonon resonances are tuned by dc electric field. Here, we show that in both experiments scattering off impurities without microwave or phonon absorption plays an important role and might even dominate the response.

Original languageEnglish (US)
Pages (from-to)2684-2688
Number of pages5
JournalInternational Journal of Modern Physics B
Volume23
Issue number12-13
StatePublished - May 20 2009

Keywords

  • Differential resistance
  • HIRO
  • MIRO
  • Magnetooscillations
  • PIRO
  • Photoconductivity
  • Quantum Hall system

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