Variations of Bias Dependent Timing Constants and Its Implication on Trap Positions and Energy Levels by the Hidden Markov Model

Qi Jin ,Jing Liu ,Lichen Cui ,Xuepeng Zhan ,Jiezhi Chen

doi:10.1109/snw51795.2021.00008

Variations of Bias Dependent Timing Constants and Its Implication on Trap Positions and Energy Levels by the Hidden Markov Model

Qi Jin , Jing Liu + Show 3 more

https://doi.org/10.1109/snw51795.2021.00008

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Publication Date: Jun 13, 2021

Affiliation: Shandong University, Chinese Academy of Sciences, Institute of Microelectronics

#Trap Energy Levels #Trap Positions + Show 8 more

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Abstract

In this paper, time constants of random telegraph noise (RTN) are extracted and their implications on trap positions (X T /T ox ) and energy levels (E T ) are investigated in detail. By using the Hidden Markov Model (HMM), the distribution variations of RTN trap location and energy level are analyzed under various experimental conditions. The results indicate that the extracted trap locations and energy levels by HMM have large variations, with a potential range from +53% to −23% around the average. This work provides important data to show that HMM-related variations should be well considered when we study the trap properties.

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