Observation of Microwave-Induced Zero-Conductance State in Corbino Rings of a Two-Dimensional Electron System

  • C. L. Yang
  • , M. A. Zudov
  • , T. A. Knuuttila
  • , R. R. Du
  • , L. N. Pfeiffer
  • , K. W. West

Research output: Contribution to journalArticlepeer-review

170 Scopus citations

Abstract

Using Corbino samples we have observed oscillatory dc conductance in a high-mobility two-dimensional electron system when it is subjected to crossed microwave and magnetic fields. At the strongest of the oscillation minima the conductance is found to be vanishingly small, indicating a macroscopic insulating state associated with this minimum. With increasing voltage bias, a crossover from Ohmic to electron-heating regime is observed.

Original languageEnglish (US)
JournalPhysical review letters
Volume91
Issue number9
DOIs
StatePublished - Aug 29 2003
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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