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Sponsored by the Center for Science and Technology Development of the Ministry of Education
Supervised by Ministry of Education of the People's Republic of China
Electric fatigue in metal/ferroelectric polymer/SiO2/p-Si capacitors
Zhang Jihao,Zhu Guodong * #
Department of Materials Science, Fudan University
*Correspondence author
#Submitted by
Subject:
Funding:
National Natural Science Foundation of China (No.Nos. 10804020, 60976074, 61076068), Specialized Research Fund for the Doctoral Program of Higher Education)
In recent years ferroelectric polymer-based nonvolatile memory devices have attracted much attention due to their flexibility, transparency and ease of production. However, their electrical stability is seldom studied. Here we report the observation of electric fatigue in metal/ferroelectric polymer/SiO2/p-Si capacitor memories, which is compared with the electric fatigue obtained from metal/ferroelectric polymer/p-Si capacitors. Our experiments indicate that the existence of SiO2 layer has greatly improved the fatigue endurance in metal/ferroelectric polymer/SiO2/p-Si capacitors. We also discuss the possible mechanism causing this improved fatigue endurance.
Keywords:ferroelectric polymer; capacitor memories; electric fatigue