Tunneling effect in CdxHg1-xTe photodiodes |
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Abstract: | The current-voltage I-U characteristics and those of log I-U, dU/dI-U, and d2U/dI2-U of CdxHg1-xTe (x = 0.20-0.27) photodiodes were measured in the temperature range of 4.2-77 K. The data analysis indicates the backward-type behavior and both the elastic and inelastic resonant-tunneling effects. The resonant tunneling itself seems to originate from resonance-energy states (defect states) located within the junction area. |
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