We investigate the dynamic characteristics of electric polarization P(t)in a ferroelectric junction under ac applied voltage and stress,and calculate the frequency response and the cut-off frequency f0,which provides ...We investigate the dynamic characteristics of electric polarization P(t)in a ferroelectric junction under ac applied voltage and stress,and calculate the frequency response and the cut-off frequency f0,which provides a reference for the upper limit of the working frequency.Our study might be significant for sensor and memory applications of nanodevices based on ferroelectric junctions.展开更多
基金Supported by the Seed Funding Program for Basic Research from the University of Hong KongKHC acknowledges the support through the UMRG(RP006B-13AFR).
文摘We investigate the dynamic characteristics of electric polarization P(t)in a ferroelectric junction under ac applied voltage and stress,and calculate the frequency response and the cut-off frequency f0,which provides a reference for the upper limit of the working frequency.Our study might be significant for sensor and memory applications of nanodevices based on ferroelectric junctions.