Non-ohmicity and energy relaxation in diffusive 2D metals
arXiv:cond-mat/0505595 · doi:10.1103/PhysRevB.72.245104
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, which yields a quadratic dependence of the electron-phonon scattering rate on temperature from 1K down to 0.28K. The origin of this enhanced electron-phonon scattering rate is ascribed to the mechanism proposed by Sergeev and Mitin.
7 pages, 6 figures