Abstract
Using a ferroelectric PbZrTiO3 gate stack, the range of the steep subthreshold swing in tunnel field-effect transistors was extended by 3.5 orders of magnitude demonstrating an improvement in the swing (by approximately double the slope). The drain conductance (gd) shows only 16% enhancement with large V DS (∼- 1.5V) indicates internal voltage amplification with ferroelectric negative capacitance effect beneficial to small lateral drain-source bias voltages (-0.1 V). The concept of coupling the ferroelectric polarization is proposed. The power consumption is also discussed in low-power applications of steep subthreshold slope devices.
Original language | English |
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Article number | 107117 |
Journal | AIP Advances |
Volume | 4 |
Issue number | 10 |
DOIs | |
Publication status | Published - 2014 Oct 1 |
ASJC Scopus subject areas
- Physics and Astronomy(all)