Off-axis electron holography of manganite-based heterojunctions: Interface potential and charge distribution

Ling Zhi-Bin, Liu Gui-Ju, Yang Cheng-Peng, Liang Wen-Shuang, Wang Yi-Qian^‡

(a) Fitting profile with polynomial function of potential variation in LCMO/LMO/STON interface. (b) Charge density from Poissonʼs equation. (c) Schematic diagram of energy barrier across heterojunction. (d) Schematic diagram of charge distribution across interfaces.