Optically Induced Ferroelectric Polarization Switching in a Molecular Ferroelectric with Reversible Photoisomerization oleh Wei‐Qiang Liao, Bin‐Bin Deng, Zhong‐Xia Wang, Ting‐Ting Cheng, Yan‐Ting Hu, Shu‐Ping Cheng, Ren‐Gen Xiong