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)†
       
Illustration of the FTJ with a pinned interfacial dipole between dielectric slab SrTiO3 and ferroelectric slab BaTiO3. σ s and σ ′s stand for screening charge densities of the left and right electrodes, respectively.