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Palladium/amorphous silicon (a-SiHx) Schottky barrier diodes have been found to exhibit superlinear dark forward current-voltage (I-V) characteristics over the temperature range 30 to 130°C. The results are consistent with expected behavior for space-charge-limited current in the presence of distributed traps. The trap parameters are deduced from I-V data.
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Ashok et al. (1980) studied this question.
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