Supplementary materials

Additional P-V hysteresis loops recorded at different time scale, results of differential voltage amplification, domain switching kinetics under different bias voltage, polarization and leakage current versus voltage data, results of theoretical simulation of domain switching kinetics under a low bias voltage, XPS spectra, and the P-V hysteresis loop obtained from double-wave voltage pulse.本数据集涵盖以下内容：不同时间尺度下记录的额外极化-电压（Polarization-Voltage, P-V）磁滞回线、差分电压放大测试结果、不同偏置电压下的畴翻转动力学数据、极化与漏电流随电压变化的数据集、低偏置电压下畴翻转动力学的理论模拟结果、X射线光电子能谱（X-ray Photoelectron Spectroscopy, XPS）谱图，以及通过双波电压脉冲测得的极化-电压磁滞回线。