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

doi:10.1103/PhysRevLett.91.096803

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

Physics and Astronomy (Twin Cities)

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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 language	English (US)
Journal	Physical review letters
Volume	91
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevLett.91.096803
State	Published - Aug 29 2003

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10.1103/PhysRevLett.91.096803

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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.",

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AU - Yang, C. L.

AU - Zudov, M. A.

AU - Knuuttila, T. A.

AU - Du, R. R.

AU - Pfeiffer, L. N.

AU - West, K. W.

PY - 2003/8/29

Y1 - 2003/8/29

N2 - 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.

AB - 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.

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

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