Abstract
We improved the performance of a complementary circuit comprising Si-based tunnel field-effect transistors (TFETs) by using isoelectronic trap (IET) technology. IET technology was found to increase the ON current (I ON ) 5 times in P-TFETs and 2 times in N-TFETs. The ION enhancement improved the inverter performance. In addition, ring oscillator (RO) circuit operation with the complementary TFET inverters was experimentally demonstrated for the first time. The RO circuit with IET-TFETs exhibited a higher operation frequency than that with conventional TFETs. IET technology provides a breakthrough towards realizing complementary circuits with Si-TFETs.
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