Supplementary Materials for Electric, thermal coupled with light fields regulating photoelectric sensing performance in photoferroelectrics

Fig.S1. FWHM and Grain size for all films. Fig.S2. Grain size distribution for (a) BFO, (b) 4ZT, (c) 6ZT, (d) 8ZT, ,AFM surface topography for (e) BFO, (f) 4ZT, (g) 6ZT, (h) 8ZT. Fig.S3. (a)-(e) EDS element mapping for Bi, Fe, Zn, Ti and O of 6ZTfilm, (f) content statistics of element. Fig.S4. J-V curves under pre-poling electric field for (a) BFO, (b) 4ZT, (c) 8ZT. Fig.S5. J-V curves under (a) pre-poling electric field, (b) thermal field and (c) multi-field coupling for 6ZT film.