Abstract:In this work, polycrystalline silicon thin‐film transistors (poly‐Si TFTs) with 50‐nm nanowire (NW) channels fabricated without advanced photolithography by using a sidewall spacer formation technique are proposed for the first time. Because the poly gate electrode is perpendicularly across poly‐Si NW channels to form a tri‐gate‐like structure, the proposed poly‐Si NW TFT owns an outstanding gate controllability. In summary, a simple and low‐cost scheme is proposed to fabricate high‐performance poly‐Si NW TFT … Show more
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