Nonohmicity and energy relaxation in diffusive two-dimensional metals

Roy Ceder; Oded Agam; Zvi Ovadyahu

doi:10.1103/PhysRevB.72.245104

Nonohmicity and energy relaxation in diffusive two-dimensional metals

Roy Ceder^*, Oded Agam, Zvi Ovadyahu

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

We analyze current-voltage characteristics taken on Au-doped indium-oxide films. By fitting a scaling function to the data, we extract the electron-phonon scattering rate as function of temperature. Consistently good fits are obtained for both short-sample and long-sample limits using data of the same material. The fitting implies a quadratic dependence of the electron-phonon scattering rate on temperature from 1 down to 0.28K. The origin of this enhanced electron-phonon scattering rate is ascribed to the mechanism proposed by Sergeev and Mitin.

Original language	English
Article number	245104
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	72
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevB.72.245104
State	Published - 15 Dec 2005

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10.1103/PhysRevB.72.245104

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abstract = "We analyze current-voltage characteristics taken on Au-doped indium-oxide films. By fitting a scaling function to the data, we extract the electron-phonon scattering rate as function of temperature. Consistently good fits are obtained for both short-sample and long-sample limits using data of the same material. The fitting implies a quadratic dependence of the electron-phonon scattering rate on temperature from 1 down to 0.28K. The origin of this enhanced electron-phonon scattering rate is ascribed to the mechanism proposed by Sergeev and Mitin.",

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AB - We analyze current-voltage characteristics taken on Au-doped indium-oxide films. By fitting a scaling function to the data, we extract the electron-phonon scattering rate as function of temperature. Consistently good fits are obtained for both short-sample and long-sample limits using data of the same material. The fitting implies a quadratic dependence of the electron-phonon scattering rate on temperature from 1 down to 0.28K. The origin of this enhanced electron-phonon scattering rate is ascribed to the mechanism proposed by Sergeev and Mitin.

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Nonohmicity and energy relaxation in diffusive two-dimensional metals

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