Table 1 Device parameters of IGZO TFTs with SiO2, HfO2, and ZrO2 as the GI layer. ID values at VOV = 2 V and VDS = 2 V are shown.
GI | κ | ID [μA] | SS [V/dec] | Vth [V] |
|---|---|---|---|---|
SiO2 | 3.9 | 2.94 | 0.50 | 0.631 |
HfO2 | 17 | 8.23 | 0.32 | 0.325 |
ZrO2 | 30 | 20.62 | 0.24 | 1.055 |
GI | κ | ID [μA] | SS [V/dec] | Vth [V] |
|---|---|---|---|---|
SiO2 | 3.9 | 2.94 | 0.50 | 0.631 |
HfO2 | 17 | 8.23 | 0.32 | 0.325 |
ZrO2 | 30 | 20.62 | 0.24 | 1.055 |