R. Ghez, J.S. Lew
Journal of Crystal Growth
A narrow channel patterned in a novel GaAs heterostructure with tunable electron density is used to study the conductance of the electron gas in the very low-density regime where only a single one-dimensional subband is occupied. Periodic oscillations of the conductance versus density and nonlinearities in the conductance suggest the formation of a one-dimensional charge-density wave or Wigner crystal. © 1989 The American Physical Society.
R. Ghez, J.S. Lew
Journal of Crystal Growth
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