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논문 기본 정보

저자정보
(Chungnam National University) (Chungnam National University) (Chungnam National University) (Chungnam National University) (Dongbu HiTek Semiconductor Inc.) (Chungnam National University) (Chungnam National University) (Chungnam National University)
저널정보
대한전자공학회 JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE Journal of Semiconductor Technology and Science Vol.14 No.5
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    초록·키워드

    In this paper, the dielectric relaxation and reliability of high capacitance density metal-insulatormetal (MIM) capacitors using Al₂O₃-HfO₂-Al₂O₃ and SiO₂-HfO₂-SiO₂ sandwiched structure under constant voltage stress (CVS) are characterized. These results indicate that although the multilayer MIM capacitor provides high capacitance density and low dissipation factor at room temperature, it induces greater dielectric relaxation level (in ppm). It is also shown that dielectric relaxation increases and leakage current decreases as functions of stress time under CVS, because of the charge trapping effect in the high-k dielectric.

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      UCI(KEPA) : I410-ECN-0101-2015-560-002808595