fig3
Figure 3. The XRD pattern of synthesized (A) ZnIn2S4-500, ZnIn2S4-600 and ZnIn2S4-700; (B) FCNZ-500, FCNZ-600 and FCNZ-700; the hysteresis loops (C) of FCNZ-500, FCNZ-600 and FCNZ-700; the survey X-ray photoelectron spectra (D) of FCNZ-500, FCNZ-600, and FCNZ-700; high revolution (E) Fe 2p, (F) Co 2p, (G) Ni 2p, (H) Zn 2p, (I) In 3d, (J) S 2p spectra for FCNZ-500, FCNZ-600 and FCNZ-700. XRD: X-ray diffraction.