Abstract

The effect of temperature and scaling of gate length on the threshold voltage of double gate Ge tunneling FET has been studied. The threshold voltage has been determined from transconductance rather than constant current method. In the 10 nm to 50 nm range scaling has almost no effect on threshold voltage. However, threshold voltage is function of temperature in the range of 250–500 K. Besides, a simple model for threshold voltage incorporating the temperature effect has been developed for ballistic Ge tunneling FET based on the simulated results.

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