Abstract
This letter investigates the high-frequency performance of trigate polycrystalline silicon thin-film transistors (poly-Si TFTs) using low temperature microwave annealing (MWA). MWA exhibits sufficient dopant activation efficiency, good short channel effect control, and a higher maximum oscillation frequency (f <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">max</sub> ) of poly-Si TFTs than does rapid thermal annealing. In addition, MWA can fabricate nanoscale devices. Poly-Si TFTs with short channel annealed by microwave reveals better high-frequency performance and switching characteristics.
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