High entropy Sr((Zr<sub>0.94</sub>Y<sub>0.06</sub>)<sub>0.2</sub>Sn<sub>0.2</sub>Ti<sub>0.2</sub>Hf<sub>0.2</sub>Mn<sub>0.2</sub>)O<sub>3−</sub><sub>x</sub> perovskite synthesis by reactive spark plasma sintering
Journal of Asian Ceramic Societies