Manipulating coupling state and magnetism of Mn-doped ZnO nanocrystals by changing the coordination environment of Mn via hydrogen annealing
Cheng Yan1, Li Wen-Xian2, 3, Hao Wei-Chang1, †, 
, Xu Huai-Zhe1, ‡, , Xu Zhong-Fei1, Zheng Li-Rong4, Zhang Jing4, Dou Shi-Xue3, Wang Tian-Min1
, Xu Huai-Zhe1, ‡, , Xu Zhong-Fei1, Zheng Li-Rong4, Zhang Jing4, Dou Shi-Xue3, Wang Tian-Min1 Crystal lattice and energy level diagrams of (a) Mn3+O6octahedron at interstitial site and Mn3+–O2−–Mn3+complex, (b) Mn2+O4tetrahedron at substitutional site and Mn2+–H–Mn2+complex, (c) Mn2+O4tetrahedron at substitutional site and Mn2+–Mn2+complex.
