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The results of electric field profiles through sample acquired by Pockel’s effect measurement. An external voltage 500 V was applied. The electric field decreases from cathode forming a dead layer below the anode when no x-ray flux was applied. The electric field profile approaches a constant value with an increasing x-ray flux. Further increase in radiation flux results in formation of dead layer below the cathode. X-ray tube with a silver target, operated at 30 kV was used.
Profile of energy bands used for the simulation.
The results of the simulation for (bands bent upwards) and (bands bent downwards).
The calculated profiles of space charge for the electric field profiles in Fig. 3 clearly confirm the mechanism of space charge compensation.
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