摘要
High-k cobalt-titanium oxide (CoTiO3) and nickel-titanium oxide (NiTiO3) were formed by directly oxidizing sputtered Co/Ti and Ni/Ti film. Al/CoTiO3/Si3N4/Si and Al/NiTiO3/Si3N4/Si capacitor structures were fabricated and measured. The effective dielectric constant (k values≅45) with buffer layer for CoTiO3 is larger than that of NiTiO3. In addition, CoTiO3 depicts excellent electrical properties at the same time. This metal oxide thus appears to be a very promising high-k gate dielectric for future ultralarge scale integrated devices.
原文 | 英語 |
---|---|
頁(從 - 到) | 3447-3452 |
頁數 | 6 |
期刊 | Journal of Applied Physics |
卷 | 89 |
發行號 | 6 |
DOIs | |
出版狀態 | 已出版 - 15 03 2001 |
對外發佈 | 是 |