Set transition statistics of different switching regimes of TaOx memristor

  • Xiaojuan LianEmail author
  • Feng Miao
  • Xiang Wan
  • Yu-Feng Guo
  • Yi TongEmail author


In this work, the statistics of Set transition parameters of two different resistance switching (RS) regimes of TaOx-based memristor have been analyzed. By screening the statistical data into six different resistance ranges, the distributions of Set voltage and Set current are shown to be compatible with a Weibull model. The scale factors of Set voltages increase with the OFF-State resistances whereas the scale factors of Set currents decrease with the OFF-State resistances, matching the experimental results. The Weibull slopes of Set voltages and Set currents are demonstrated to be independent of the OFF-State resistances. This is an indication that the Set point corresponds to the initial phase of the formation of conductive filaments. Besides, it has been revealed that the high endurance RS regime owes higher Weibull slopes. This work is greatly significant on the improvement of the uniformity and the endurance of memristor devices.


TaOx memristor Resistance switching Set statistics Weibull distribution 



This work was supported in part by the National Natural Science Foundation of China (No. 61804079, No. 61704084), the Science Research Funds for Nanjing University of Posts and Telecommunications (NY218110, NY217116).


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.The Department of MicroelectronicsNanjing University of Posts and TelecommunicationsNanjingChina
  2. 2.National Laboratory of Solid State Microstructures, School of Physics, Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjingChina

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