Electrical Characteristics of Metal/High-k MOS Devices Using Effective Oxygen Control for Sub-1nm EOT
Autor: | Parhat Ahmet, Takeo Hattori, A.N. Chandorkar, Hiroshi Iwai, Kuniyuki Kakushima, Koichi Okamoto, Kazuo Tsutsui, Nobuyuki Sugii |
---|---|
Rok vydání: | 2008 |
Předmět: | |
Zdroj: | ECS Transactions. 16:203-212 |
ISSN: | 1938-6737 1938-5862 |
DOI: | 10.1149/1.2981603 |
Popis: | In this study, we have studied the mechanism of equivalent oxide thickness (EOT) increase after annealing using oxygen diffusion model from W gate electrode. It has been revealed that proper thickness W insertion into metal/high-k interface could depress EOT increase after post metallization annealing (PMA) and achieve small CV hysteresis. |
Databáze: | OpenAIRE |
Externí odkaz: |