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

P. C. Chang,P. J. Liao, D. W. Heh, C. Lee, D. H. Hou,E. Ambrosi,C. H. Wu,H. Y. Lee,J. H. Lee,X. Y. Bao

2022 IEEE International Reliability Physics Symposium (IRPS)（2022）

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摘要

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 VTH stability and more uniform Ioff-VTH control during endura...

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关键词

Degradation,Correlation,Switches,High-voltage techniques,Stability analysis,Reliability,Stress

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