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(a) HR-TEM cross section images and their corresponding FFT patterns of a-SIZO films (inset), which clearly show amorphous pattern and (b) schematic cross-section of inverter composed of a-SIZO TFT and a-GIZO TFT on Si/SiO2 substrate.
(a) Logarithmic plot of transfer (I DS vs V GS) curves of a-SIZO TFT and a-GIZO TFT at V DS = 5 V, (b) output (I DS vs V DS) curves of a-SIZO TFT and a-GIZO TFT obtained at V GS of −2 V to +8 V and 8 V to +18 V, respectively, with 2 V step.
(a) Voltage transfer curves of the inverter obtained at supply voltage V DS of 5 V to 10 V with 1 V step (The inset shows the inverter circuit diagram). (b) Corresponding calculated gains of the inverter explain the effect of photocurrent reduction.
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