DocumentCode
1609373
Title
Dielectric breakdown mechanism of HfSiON/SiO2 gate dielectric
Author
Torii, Kentaro ; Aoyama, T. ; Kamiyama, S. ; Tamura, Y. ; Miyazaki, S. ; Kitajima, H. ; Arikado, T.
Author_Institution
Semicond. Leading Edge Technol., Ibaraki, Japan
fYear
2004
Firstpage
112
Lastpage
113
Abstract
The breakdown mechanism of HfSiON/SiO2 gate stacks is discussed, based on studies of the band diagram, carrier separation and charge pumping measurements. We found that both holes and electrons contribute to BD and therefore the combination of the stress polarity and the device type should be chosen carefully to evaluate the reliability.
Keywords
band structure; electric breakdown; hafnium compounds; integrated circuit reliability; interface states; silicon compounds; HfSiON-SiO2; HfSiON/SiO2 gate dielectric; band diagram; carrier separation; charge pumping measurements; dielectric breakdown mechanism; stress polarity; Breakdown voltage; Charge carrier processes; Dielectric breakdown; Electric breakdown; Electron traps; Etching; Gate leakage; MOCVD; Paper technology; Stress;
fLanguage
English
Publisher
ieee
Conference_Titel
VLSI Technology, 2004. Digest of Technical Papers. 2004 Symposium on
Print_ISBN
0-7803-8289-7
Type
conf
DOI
10.1109/VLSIT.2004.1345423
Filename
1345423
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