Figure 2

The 2D maps of position-energy resolved (a) carrier density, (b) current density, and (c) local density of states (DOS) as function of energy and position at 10 K under operating bias of 135 mV/period for the three-well RP structure.

The 2D maps of position-energy resolved (a) carrier density, (b) current density, and (c) local density of states (DOS) as function of energy and position at 10 K under operating bias of 135 mV/period for the three-well RP structure.