The evidence of samarium substitution defect contributing to local structural-polar heterogeneity and Tc in Sm-doped 0.68PMN-0.32PT ceramics compensated by B-site vacancies. - Yang, Jing; Wang, Wenjun; Li, Yan; Feng, Shaorong; Zhang, Tao; Niu, Xuping; Li, Min; Han, Li'An; Cao, Xingzhong; Yu, Runsheng; Wang, Baoyi (Applied Physics A: Materials Science & Processing, 2025)