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Content Provider | IEEE Xplore Digital Library |
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Author | Chunfeng Hu Mingxiang Wang Meng Zhang Bo Zhang Man Wong |
Copyright Year | 2008 |
Description | Author affiliation: Dept. of Microelectron., Soochow Univ., Suzhou (Chunfeng Hu; Mingxiang Wang; Meng Zhang) |
Abstract | Device degradation of solution based metal-induced laterally crystallized (MILC) p-type poly-Si thin film transistors (TFTs) is studied under DC bias stresses, which is found to be dominated by negative bias temperature instability (NBTI) mechanism. While standard NBTI or electron injection (EI) is observed under $-V_{g}$ or $-V_{d}$ only stress, respectively, a mixed NBTI and EI degradation is observed under combined low $-V_{g}$ and $-V_{d}$ stresses. Under high $-V_{d}$ and moderate $-V_{g}$ stress, pure hot carrier (HC) degradation cannot be observed, but a combined degradation of NBTI and HC occurs. Grain boundary (GB) trap generation is found to correlate with the NBTI degradation with the same time exponent, suggesting the key role of GB trap generation in poly-Si TFTspsila degradation. |
Starting Page | 363 |
Ending Page | 367 |
File Size | 362344 |
Page Count | 5 |
File Format | |
ISBN | 9781424420490 |
DOI | 10.1109/RELPHY.2008.4558913 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2008-04-27 |
Publisher Place | USA |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Degradation Crystallization Stress Niobium compounds Titanium compounds Thin film transistors Negative bias temperature instability Electrons Hot carriers Grain boundaries hot carrier poly-Si TFTs NBTI electron injection |
Content Type | Text |
Resource Type | Article |
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