Table 1 Performance comparison with conventional double-peak NDT/NDR devices
From: Charge transfer mechanism for realization of double negative differential transconductance
Materials | Number of NDT peak | Mechanism | PVCR | Difference in Vpeak (Δ V) | VDD (V) | Logic state width (Δ Vin) | Ref. |
|---|---|---|---|---|---|---|---|
MoS2/p-doped WSe2 | 2 | NDT | 103 | 24 | 2 | 20 | This work |
WSe2/Gr/WS2 | 2 | NDT | 100 | 0.6 | 2.1 | 1 | |
MoS2/MoTe2/WSe2 | 2 | NDT | 102~103 | 10 | 2 | 4 | |
WSe2/InSe | 2 | NDT | ~103 | 10 | 1 | 5 | |
Pentacene/HfS2 | 2 | NDR | 1.64 | 1.2 | – | – | |
Gated-BP/ReS2 | 2 | NDR | 2.5 | 0.7 | – | – | |
BP/ReS2, HfS2 | 2 | NDR | 1.5 | 0.4 | – | – |