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AbstractAbstract
[en] Amorphous-gallium-indium-zinc-oxide (a-GIZO) thin filmtransistors (TFTs) are fabricated without annealing, using processes and equipment for conventional a-Si:H TFTs. It has been very difficult to obtain sound TFT characteristics, because the a-GIZO active layer becomes conductive after dry etching the Mo source/drain electrode and depositing the a-SiO2 passivation layer. To prevent such damages, N2O plasma is applied to the back surface of the a-GIZO channel layer before a-SiO2 deposition. N2O plasma-treated a-GIZO TFTs exhibit excellent electrical properties: a field effect mobility of 37 cm2/V s, a threshold voltage of 0.1 V, a subthreshold swing of 0.25 V/decade, and an Ion/off ratio of 7
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(c) 2008 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
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Journal Article
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