The effect of electrical stress on the leakage current of polycrystalline Si thin-film transistors fabricated by metal-induced lateral crystallization

Autor: Byung Il Lee, Tae-Kyung Kim, Seung-Ki Joo, Yeo-Geon Yoon, Gi-Bum Kim
Rok vydání: 2004
Předmět:
Zdroj: Thin Solid Films. 466:303-306
ISSN: 0040-6090
DOI: 10.1016/j.tsf.2004.02.037
Popis: The effects of electrical stress on the leakage current of polycrystalline Si (poly-Si) thin-film transistors (TFTs) fabricated by metal-induced lateral crystallization (MILC) were investigated. It was found that the leakage current of MILC TFTs could be reduced by electrical stress ( V G V D >0) and this effect was saturated in about 1000 s. In addition, asymmetric Ni-offset deposition is proposed. By this method, the boundary where the two MILC regions meet can be moved out of the channel region, consequently, resulting in a great reduction in leakage current and in an insensibility to electrical stress.
Databáze: OpenAIRE