Abstract
Nanoscale short-channel oxide thin film transistors (TFTs) have attracted widespread research interest due to their potential applications in advanced display and memory devices. In this work, we fabricate 10 μm channel length indium-tin-oxide (ITO) TFTs and analyze the uniformity and repeatability of ITO TFTs at the long channel range. Then we fabricate ITO TFTs with a series of channel lengths ranging from 10 μm to 150 nm and through an optimized process we finally fabricate 130 nm channel length high-performance ITO TFTs with an on-state current of 93 (μA/μm), a subthreshold swing of 102 (mV decade–1), and on/off ratio over 107 at a drain voltage of 3 V.
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