The observation of BTI-induced RTN traps in inversion and accumulation modes on HfO2 high-k metal gate 28nm CMOS devices

P. C. Wu, E. R. Hsieh, P. Y. Lu, Steve S. Chung, K. Y. Chang, C. H. Liu, J. C. Ke, C. W. Yang, C. T. Tsai

研究成果: 書貢獻/報告類型會議論文篇章同行評審

3 引文 斯高帕斯(Scopus)

摘要

A comprehensive analysis on the BTI induced RTN traps in high-k(HK) CMOS devices have been investigated in inversion (inv.) and accumulation (acc.) modes. The combination of two modes for RTN measurement provides a wide range of energy window in high-k gate dielectric, in which a simple extraction method of RTN analysis has been adopted to analyze the gate dielectric dual-layer of advanced HK devices. The results show that inversion mode measurement can only identify the RTN traps in the channel region, which is related to the V th degradation. While, accumulation mode may detect the traps inside the gate-drain overlap region which provides better understanding of GIDL current. This basic understanding is of critical important to the quality development of HK gate dielectrics in advanced CMOS technologies.

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主出版物標題Proceedings of Technical Program - 2014 International Symposium on VLSI Technology, Systems and Application, VLSI-TSA 2014
發行者IEEE Computer Society
ISBN(列印)9781479922178
DOIs
出版狀態已出版 - 2014
事件2014 International Symposium on VLSI Technology, Systems and Application, VLSI-TSA 2014 - Hsinchu, Taiwan
持續時間: 28 4月 201430 4月 2014

出版系列

名字Proceedings of Technical Program - 2014 International Symposium on VLSI Technology, Systems and Application, VLSI-TSA 2014

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???event.eventtypes.event.conference???2014 International Symposium on VLSI Technology, Systems and Application, VLSI-TSA 2014
國家/地區Taiwan
城市Hsinchu
期間28/04/1430/04/14

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