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(a) Sketch of the LED structure and (b) Kelvin voltage vs tip location showing the sum of and from the vicinity of the -contact pad (left side) to the (right side) for different bias voltages .
Difference in the voltage vs bias voltage within the substrate (stars and right scale) and within the LED region between the substrate and the (squares and left scale).
Local voltage drop across the HS-layer sequence for different in the region of the MQWs. The inset is an enlargement of the interface between the :confinement and the .
Simulated band structure vs tip location for different forward biases for the region depicted in Fig. 3.
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