Nature Materials, Vol.18, No.11, 1264-1264, 2019
Reply to: On the ferroelectricity of CH3NH3PbI3 perovskites (vol 18, pg 1051, 2019)
Liu YT,
Collins L,
Proksch R,
Kim S,
Watson BR,
Doughty B,
Calhoun TR,
Ahmadi M,
Ievlev AV,
Jesse S,
Retterer ST,
Belianinov A,
Xiao K,
Huang JS,
Sumpter BG,
Kalinin SV,
Hu B,
Ovchinnikova OS
