Effect of dynamic stress on off leakage of small-dimension pMOSFETs at high temperature
SCIE
SCOPUS
- Title
- Effect of dynamic stress on off leakage of small-dimension pMOSFETs at high temperature
- Authors
- Kim, GJ; Seo, JH; Son, D; Lee, NH; Kang, Y; Hwang, Y; Kang, B
- Date Issued
- 2014-04
- Publisher
- IOP PUBLISHING LTD
- Abstract
- The degradation of the off leakage current I-off in small-dimension pMOSFETs is investigated experimentally while applying a dynamic stress to the pMOSFETs. During the OFF-state stress, the dynamic stress induced an increase of I-off due to generation of negative oxide charges N-ox in the gate dielectric, and in the shallow trench isolation (STI) near the gate edge. When channel width W decreased, negative N-ox in STI increase I-off significantly, and the degradation of I-off is more critical than degradation of V-th. These observations indicate that the effect of the dynamic stress in pMOSFETs on I-off should be seriously considered when evaluating small-dimension pMOSFETs. (C) 2014 The Japan Society of Applied Physics
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/14294
- DOI
- 10.7567/JJAP.53.04EC06
- ISSN
- 0021-4922
- Article Type
- Article
- Citation
- JAPANESE JOURNAL OF APPLIED PHYSICS, vol. 53, no. 4, 2014-04
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