Remarkable Roles of Cu To Synergistically Optimize Phonon and Carrier Transport in n-Type PbTe-Cu2Te Xiao, Yu ; Wu, Haijun ; Li, Wei ; Yin, Meijie ; Pei, Yanling ; Zhang, Yang ; Fu, Liangwei ; Chen, Yuexing ; Pennycook, Stephen J. ; Huang, Li ; He, Jiaqing ; Zhao, Li-Dong Abstract Publication: Journal of the American Chemical Society Pub Date: December 2017 DOI: 10.1021/jacs.7b11662 Bibcode: 2017JAChS.13918732X