DocumentCode
2393442
Title
The influence of silicon nitride cap on NBTI and fermi pinning in HfO2 gate stacks
Author
Sasaki, Takaoki ; Ootsuka, Fumio ; Hoshi, Takeshi ; Kawahara, Takaaki ; Maeda, Takeshi ; Yasuhira, Mitsuo ; Arikado, Tsunetoshi
Author_Institution
Semicond. Leading Edge Technol. Inc., Tsukuba, Japan
fYear
2003
fDate
6-7 Nov. 2003
Firstpage
20
Lastpage
23
Abstract
In this paper, we report the improvements in the interfacial reaction between the gate dielectric and the gate electrode by adding SiN cap layer on HfO/sub 2/. We also report the drastic improvements in the gate leakage, V/sub th/ shift and NBTI.
Keywords
MOSFET; hafnium compounds; interface states; semiconductor device reliability; silicon compounds; thin films; Fermi pinning; HfO/sub 2/ gate; NBTI; SiN-HfO/sub 2/; gate electrode; gate leakage; interfacial reaction; negative bias; negative bias temperature instability; silicon nitride cap; temperature instability; Electrodes; Gate leakage; Hafnium oxide; High-K gate dielectrics; Hydrogen; Niobium compounds; Nitrogen; Silicon compounds; Stress; Titanium compounds;
fLanguage
English
Publisher
ieee
Conference_Titel
Gate Insulator, 2003. IWGI 2003. Extended Abstracts of International Workshop on
Conference_Location
Toyko, Japan
Print_ISBN
4-89114-037-2
Type
conf
DOI
10.1109/IWGI.2003.159174
Filename
1252499
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