Campbell, J.
, Cheung, K.
and Suehle, J.
(2008),
New Insight into NBTI Transient Behavior Observed from Fast-GM Measurements, Electron Device Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=32968
(Accessed December 7, 2024)
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New Insight into NBTI Transient Behavior Observed from Fast-GM Measurements
Published
Author(s)
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Abstract
Fast-IDVG measurements have become an increasingly important tool to examine MOSFET transient degradation. The threshold voltage (VTH) extracted from fast-IDVG measurements is often used to infer the transient behavior of trapped charged in the gate dielectric and at the interface. In this study, we show that the peak transconductance (GM) can also be extracted reliably in the microsecond time scale. The transient GM behavior provides additional insights not easily observed from an examination of VTH alone. Specifically, transient GM results illustrate that an electron trapping/de-trapping transient component contributes to the transient behavior observed in the negative bias temperature instability (NBTI). This electron trapping component, has never been reported.Citation
Electron Device Letters
Volume
29
Issue
9
Pub Type
Journals
Download Paper
Keywords
NBTI, fast-IDVG, fast-GM, electron trapping
Citation
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Created September 1, 2008, Updated February 19, 2017