S. J. Papadakis, M. Shayegan
Published 1999-03-31Version 1
We report the observation of metallic-like behavior at low temperatures and zero magnetic field in two dimensional (2D) electrons in an AlAs quantum well. At high densities the resistance of the sample decreases with decreasing temperature, but as the density is reduced the behavior changes to insulating, with the resistance increasing as the temperature is decreased. The effect is similar to that observed in 2D electrons in Si-MOSFETs, and in 2D holes in SiGe and GaAs, and points to the generality of this phenomenon.
Journal: Phys. Rev. B 57, R15068 (1998)
An Anderson-Fano Resonance and Shake-Up Processes in the Magneto-Photoluminescence of a Two-Dimensional Electron System
Spin-polarized reflection of electrons in a two-dimensional electron system
Tunneling measurements of the coulomb pseudogap in a two-dimensional electron system in a quantizing magnetic field
