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收集所有交通大學研究人員與學生個人或團體所發表之各項學術著作，涵蓋期刊論文、教師專書、學位論文等項。;;Collections of Publications of NCTU Researchers and Students Like Journal Papers and Thesis.

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🏛️國立陽明交通大學機構典藏

Author: search.filters.author.Wang, MFSubject: search.filters.subject.ashing

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    Enhanced negative-bias-temperature instability of P-channel metal-oxide-semiconductor transistors due to plasma charging damage
    (2002-04-01)
    Lee, DY
    ;
    Lin, HC
    ;
    Wang, MF
    ;
    Tsai, MY
    ;
    Huang, TY
    The effects of plasma charging on the negative-bias-temperature instability (NBTI) of p-channel metal-oxide-semiconductor (PMOS) transistors were explored in this work. It is clearly shown that the threshold voltage shift during bias-temperature stressing (BTS) could be enhanced by plasma charging damage. More importantly, we also found that electron trappings are aggravated by plasma charging, even on new devices with large antenna area ratios prior to BTS. Our charge pumping current measurements confirm that the interface-state density is increased for devices with large antennas, both before and after the BTS. This indicates, without ambiguity, that electron trapping is solely responsible for the observed low (in absolute value) threshold voltage in new devices with large antennas. Finally, it is proposed that the NBTI characterization can be used as a sensitive method for characterizing the antenna effects in devices with ultrathin gate oxide, which is particularly attractive in light of the fact that conventional indicators are becoming inadequate as oxide is scaled down.