Table 1 Comparison of this work and previous works that employed ferroelectric P(VDF-TrFE), PZT and hafnium oxide as the gate dielectric of FeFET.

From: Van der Waals engineering of ferroelectric heterostructures for long-retention memory

Ferroelectric

Channel

P/E ratio

P/E speed

Endurance

Retention

P(VDF-TrFE)31

MoSe2

> 105

50 μs/2 ms

104

> 2 × 103 s

P(VDF-TrFE)33

MEH-PPV

 > 104

500 μs/50 μs

103

2 × 105 s

PZT41

IGZO

106

3 s

103 s

PZT42

ZnO

105

150 ms

10 years

Si:HfO243

Si

≈103

10 μs

2 × 104

1 h

Si:HfO244

Si

> 100

1–10 μs

105

72 h

HZO45

Si

106

100 μs

107

10 years

HZO46

Si

104

0.5 μs

106

10 years

CIPS (this work)

MoS2

> 107

5 μs

> 104

10 years