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Key parameters extracted from NW-FET fabricated with NWs grown with varying ammonium hydroxide concentration.
| NH4OH concentration (mM) | VTH variation (V) | On/Off current ratio | Field-effect mobility, µFE (cm2/Vs) | Free charge density, ne (/cm3) |
|---|---|---|---|---|
| 0 | −5.4 ± 4.7 | 106–107 | 3.8 ± 3.3 | 4.3 ± 3.9 × 1016 |
| 20 | −20.7 ± 18 | 105–106 | 2 ± 2 | 8.3 ± 4 × 1016 |
| 40 | −13 ± 18 | 105–107 | 0.35 ± 0.3 | 2 ± 1 × 1017 |
