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Characterization of Atomic Layer Deposited Al2O3/HfO2 and Ta2O5/Al2O3 Combination Stacks
- Nam, Minwoo;
- Kim, Areum;
- Kang, Keunwon;
- Choi, Eunmi;
- Kwon, Soon Hyeong;
- ... Pyo, Sung Gyu;
- 외 1명
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5초록
We have integrated manufacturable and cost-effective 4 fF/mu m(2) and 8 fF/mu m(2) metal-insulator-metal capacitors with dielectrics by plasma enhanced-atomic layer deposition (PE-ALD), where, the Al interconnects the process for analog/mixed signal technology. The capacitance density, voltage linearity, leakage current, and breakdown voltage properties are evaluated not only for the single layer films of Al2O3, Ta2O5, and HfO2 but also for the combination stacks of Al2O3/Ta2O5/Al2O3 and Al2O3/HfO2/Al2O3 laminated-layers. In comparison, HfO2 as a single layer and Al2O3/HfO2/Al2O3 as a laminated-layer shows better performance than the others.
키워드
Al2O3; High-k Dielectric; Leakage Current; Metal Insulator Metal (MIM); PEALD; MIM CAPACITORS; ELECTRICAL-PROPERTIES; GATE DIELECTRICS; OXIDE; RELIABILITY; HFO2
- 제목
- Characterization of Atomic Layer Deposited Al2O3/HfO2 and Ta2O5/Al2O3 Combination Stacks
- 저자
- Nam, Minwoo; Kim, Areum; Kang, Keunwon; Choi, Eunmi; Kwon, Soon Hyeong; Lee, Seon Jae; Pyo, Sung Gyu
- 발행일
- 2016-10
- 유형
- Article
- 권
- 8
- 호
- 10
- 페이지
- 1958 ~ 1962
- 출판사
- AMER SCIENTIFIC PUBLISHERS
- 발행국가
- 미국
- 분량
- 5 페이지
- ISSN
- E 1947-2943
P 1947-2935