Experimental Progress towards Probing the Ground State of an Electron-Hole Bilayer by Low-Temperature Transport

Figure 22

Resistivity of electron (a) and hole (b) layers versus temperature, for constant electron density (𝑛=2×10¹⁰ cm⁻²) and different hole densities (𝑝=5,7,9,12×10¹⁰ cm⁻²). Arrows indicate approximate points of transition to insulating behaviour. (Device: B138/C4-2-10 nm Barrier).

(a)

(b)