Electrical properties of Te-Si heterojunctions†

Abstract
The electrical properties of Te(p)-Si(n) hetorodiodes are investigated at room and liquid air temperatures. The heterojunotion is formed between an evaporated Te film and an n-type Si single crystal substrate. The forward and reverse characteristics are explained on the basis of an energy band diagram similar to Ge—GaAs and a tunnelling mechanism. The capacitativo eut-off voltage and current cut-off voltage, at room temperature, are found to be about 0·7 v. Preliminary indications are that such a heterojunction is sensitive to I.E. radiation.

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