Figure 1. (A) Composition-dependent ΔSconfig for NBBSCT-xMN ceramics. (B) XRD patterns of NBBSCT-xMN ceramics with an enlarged view of the (200) diffraction peaks. (C) Rietveld refinement results for NBBSCT-3MN ceramics. (D) Raman spectra and fitting results for NBBSCT-xMN ceramics.