Investigation of First Fire Effect on VTH Stability and Endurance in GeCTe Selector

Ovonic Threshold Switching Selector faces challenges of VTH stability in intensive applications due to relaxation and the degradation upon endurance cycling. This work investigates the first fire (FF) voltage effects and mechanisms related to the switching characteristics on GeCTe-based selectors. H...

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Bibliographic Details
Main Authors: Chang, P. C., Liao, P. J., Heh, D. W., Lee, C., Hou, D. H., Ambrosi, E., Wu, C. H., Lee, H. Y., Lee, J. H., Bao, X. Y.
Format: Conference Proceeding
Language:English
Subjects:
Acceleration
Correlation
Cycling degradation
Degradation
Endurance
GeCTe
High-voltage techniques
Relaxation
Reliability
Selector
Stability
Stability analysis
Stress
Switches
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Summary:Ovonic Threshold Switching Selector faces challenges of VTH stability in intensive applications due to relaxation and the degradation upon endurance cycling. This work investigates the first fire (FF) voltage effects and mechanisms related to the switching characteristics on GeCTe-based selectors. Higher V TH stability and more uniform I off -V TH control during endurance cycling were achieved by higher FF design. A power-law model with strong correlation between endurance and pulse-energy was also demonstrated in this study.
ISSN:1938-1891
DOI:10.1109/IRPS48227.2022.9764489