Table 2 Doped ZnO-based RRAM in published literature
From: Status and Prospects of ZnO-Based Resistive Switching Memory Devices
No | Structure | CC (mA) | V F (V) | V R (V) | V S (V) | Mode | Endurance (cycles) | ON/OFF ratio (times) | Retention (seconds) | Stress (seconds) | Ref. |
---|---|---|---|---|---|---|---|---|---|---|---|
1 | Cu/N:ZnO/Pt | 10 | NS | ~−0.45 | ~1.47 | B | 100 | >102 | NA | NA | [56] |
2 | Ag/Zn0.98Cu0.02O/ITO | 10 | NS | ~−0.02 | 1.8 | B | NA | 106 | <103 | NA | [87] |
1 | NS | −3.5 | −15 | U | NA | 104 | >103 | NA | |||
3 | Pt/ZnVO/Pt | 10 | ~−4 | ~−0.5 | ~−2.5 | B | 105 | ~102 | 36 × 103/85 °C | NA | [85] |
4 | Pt/Zn0.99Zr0.01O/Pt | 1 | ~−2 | ~1 | ~−1.5 | B | 104 | ~102 | NA | NA | [86] |
5 | Al/ZTO/Pt | 5 × 10−4 | ~−2 | ~1 | ~−2.5 | B | 50 | 1.4 × 103 | 104/RT | NA | [90] |
6 | Pt/Mn:ZnO/Si | NS | FF | ~−20 | ~20 | B | 45 × 102 | ~ 103 | 5 × 103/RT | NA | [91] |
7 | Pt/Zn1 − xCrxO/Pt | – | FF | ~3.5 | ~3 | B | 100 | 7 × 103 | 36 × 103/RT | NA | [110] |
8 | Ti/AZTO/Pt | 3 | NS | ~1.6 | ~1.1 | B | 256 | 18 | NA | 104 | [136] |
9 | Au/Co-ZnO/ITO/Au | – | FF | 4 | 2.6 | BS | 4000 | ~7 | NA | NA | [138] |
10 | Pt/Co:ZnO/Pt | 10 | FF | ~−1 | 1.5–3 | B | 300 | 102 | NA | NA | [139] |
11 | Al/ZnO:Cu/Pt | 10 | ~12 | ~0.5 | ~2 | U | 450 | 470 | 104/RT | NA | [140] |
12 | TiN/Ti/IGZO/Pt | 10 | ~6 | ~−1.5 | ~1 | B | 104 | ~10 | NA | NA | [141] |
13 | Pt/a-IGZO/Pt | 10 | ~10 | ~−1 | ~1.5 | B | 100 | >10 | >104/RT | NA | [142] |
14 | Al/IGZO/Al | – | ~5 | ~5 | ~−5 | B | 100 | ~2 | NA | NA | [143] |
15 | Pt/ZnLaO/p-Si | 10 | ~6 | ~1 | ~2.5 | U | 150 | >10 | 106 | NA | [144] |
Pt/ZnLaO/Pt | 10 | ~4 | ~0.5 | ~2.5 | >103 | NA | |||||
16 | Pt/(Zn1 − xMgx)O/Pt | 10 | ~5 | ~1.5 | ~3.5 | U | 50 | 140–103 | NA | NA | [145] |
17 | Cu/ZnO:Mn/Pt | 5 | ~1.9 | ~−0.6 | ~1.2 | B | 65 | >103 | 104/85 °C | NA | [146] |
18 | Au/ZnMn2O4/Pt | 1 | NS | ~2 | ~10 | U | 8000 | 105–107 | 4 × 104/RT | NA | [147] |
Au/ZnMnO3/Pt | 104–105 | ||||||||||
19 | Pt/Mn:ZnOxS1 − x/Cu | NS | NS | ~0.5 | 1–3 | U | 100 | 105–106 | 104/RT | NA | [148] |
20 | Au/Cr/ZnO:N/TiN | 5 | 2.5 | ~−1 | ~0.75 | B | 100 | ~1 | 104/RT | NA | [149] |
21 | Au/Ti:ZnO/ITO | – | FF | ~−3 | ~3 | B | 200 | 14 | 2 × 103/RT | NA | [150] |
22 | Pt/ZnO:Ti/n+–Si | 10 | ~5.5 | ~1 | 2–4 | U | 200 | >102 | >105/RT | NA | [151] |
23 | Ag/ZnO:Mn/Pt | SC | FF | −2.6–−0.5 | 0.3–3.8 | B | 100 | 107 | >107/RT | NA | [152] |
24 | Al/GaZnOx/p+-Si | 7 | ~4.8 | ~−2.8 | ~3.5 | B | 100 | 102 | NA | NA | [183] |
25 | Ti/Mg0.1ZnO0.9/Pt | 1 | FF | −1.5 | 1.5 | B | 500 | >103 | 104 | NA | [189] |