State Key Laboratory of High Performance Ceramics and Superfine Microstructure;
Shanghai Institute of Ceramics;
Chinese Academy of Sciences;
Shanghai 200050;
China;
Center of Materials Science and Optoelectronics Engineering;
University of Chinese Academy of Sciences;
Beijing 100049;
China;
State Key Laboratory of Metal Matrix Composites;
School of Materials Science and Engineering;
Shanghai Jiao Tong University;
Shanghai 200240;
China;
Materials Genome Institute;
Shanghai University;
Shanghai 200444;
China;
Thermoelectric; Ge2Sb2Te5; Anion-site modulation; Chemical bond; Electronic density of states;