Abstract
We have studied the reliability of high-κ (κ ∼ 49) Ti xHf1-xO (x ∼ 0.67) metal-insulator-metal (MIM) capacitors after constant voltage stress induction. The use of a high-work-function Ni top electrode improves not only the leakage current, and temperature- and voltage-coefficients of capacitance, but also the long-term capacitance variation after stress induction.
Original language | English |
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Pages (from-to) | 7300-7302 |
Number of pages | 3 |
Journal | Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers |
Volume | 46 |
Issue number | 11 |
DOIs | |
Publication status | Published - 2007 Nov 6 |
Externally published | Yes |
Keywords
- High work function
- MIM
- Ni
- Reliability
- TiHfO
ASJC Scopus subject areas
- General Engineering
- General Physics and Astronomy