Fig. 2: X-ray photoelectron spectroscopy (XPS) and Electron paramagnetic resonance (EPR) characterization results of Mn-doped 0.65NBT-0.35SBT-based ceramics.

XPS characterization results of Ti in a x = 0.5 mol% ceramic and b 0.65NBT-0.35SBT-xMn ceramics; EPR characterization results of Mn in c 0.65NBT-0.35SBT-xMn ceramics and d x = 0.5 mol% ceramic.