(Color online) Growth rate of atomic layer deposited ZnO and Al2O3 as a function of substrate temperature.
(Color online) (a) XRD data for undoped ZnO and Al:ZnO films with 1–8 at. % Al at a growth temperature of 100 °C. (b) XRD data for 3 at. % Al:ZnO films with various growth temperatures in the range from 60 to 250 °C.
Plane view TEM images for 3 at. % Al:ZnO thin films deposited at (a) 60 °C (b) 100 °C, and (c) 250 °C.
(Color online) (a) Carrier concentration and (b) Hall mobility data as a function of Al concentration for various growth temperatures.
(Color online) Carrier concentrations and 1/kT data for various Al concentrations.
Schematic diagram of Al:ZnO TFT on Si substrate with ITO source/drain.
(Color online) Transfer curves of (Al:ZnO TFTs) for (a) deposited at 100 °C with various Al concentrations and deposited Al:ZnO active layer and (b) various deposition temperatures at 1 at. % Al:ZnO active layer.
(Color online) (a) Transfer curves of 3 at. % Al:ZnO and (b) ΔV th data of ZnO and 3 at. % Al:ZnO deposited at 100 °C under 10 V positive gate stress.
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