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Effects of Fluorine Implantation on 1/f Noise, Hot Carrier and NBTI Reliability of MOSFETs
Jae-Hyung JANG Hyuk-Min KWON Ho-Young KWAK Sung-Kyu KWON Seon-Man HWANG Jong-Kwan SHIN Seung-Yong SUNG Yi-Sun CHUNG Da-Soon LEE Hi-Deok LEE
Publication
IEICE TRANSACTIONS on Electronics
Vol.E96-C
No.5
pp.624-629 Publication Date: 2013/05/01 Online ISSN: 1745-1353
DOI: 10.1587/transele.E96.C.624 Print ISSN: 0916-8516 Type of Manuscript: Special Section PAPER (Special Section on Fundamentals and Applications of Advanced Semiconductor Devices) Category: Keyword: fluorine, flicker noise, 1/f noise, reliability, hot-carrier, NBTI, MOSFET,
Full Text: PDF>>
Summary:
The effects of fluorine implantation on flicker noise and reliability of NMOSFET and PMOSFETs were concurrently investigated. The flicker noise of an NMOSFET was decreased about 66% by fluorine implantation, and that of a PMOSET was decreased about 76%. As indicated by the results, fluorine implantation is one of the methods that can be used to improve the noise characteristics of MOSFET devices. However, hot-carrier degradation was enhanced by fluorine implantation in NMOSFETs, which can be related to the difference of molecular binding within the gate oxide. On the contrary, in case of PMOSFETs, NBTI life time was increased by fluorine implantation. Therefore, concurrent investigation of hot-carrier and NBTI reliability and flicker noise is necessary in developing MOSFETs for analog/digital mixed signal applications.
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