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Investigation on multiple activation energy of retention in charge trapping memory using self-consistent simulation | IEEE Conference Publication | IEEE Xplore

Investigation on multiple activation energy of retention in charge trapping memory using self-consistent simulation


Abstract:

Non-Arrhenius behavior has been reported in a various temperature range for the retention time of CT Flash memories. In order to understand the physical origin of the mul...Show More

Abstract:

Non-Arrhenius behavior has been reported in a various temperature range for the retention time of CT Flash memories. In order to understand the physical origin of the multiple activation energy due to the non-Arrhenius behavior, we conduct a simulation study using a 3D self-consistent numerical simulator developed in-house. As a result, it is found that both vertical and lateral charge transport in the conduction band of nitride layer are responsible for the non-Arrhenius retention characteristic. Also, the tunneling current through the bottom oxide and a lifetime criteria are turned out to be the key parameters which determine the multiple activation energy.
Date of Conference: 22-26 September 2014
Date Added to IEEE Xplore: 06 November 2014
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Conference Location: Venice Lido, Italy

References

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