Influence of interface within the composite barrier on the tunneling electroresistance of ferroelectric tunnel junctions with symmetric electrodes*
Wang Pin-Zhia),b), Zhu Su-Huab), Pan Taoc), Wu Yin-Zhongb),c)†
       
TER ratio as a function of interfacial dielectric constant ε in (solid lines). Arrows represent the preassigned direction of the pinned interface dipole. The dashed line and the dotted line represent the same situations as described in the caption of Fig.  3 .