Manipulating coupling state and magnetism of Mn-doped ZnO nanocrystals by changing the coordination environment of Mn via hydrogen annealing

Cheng Yan¹, Li Wen-Xian^{2, 3}, Hao Wei-Chang^{1, †,}, Xu Huai-Zhe^{1, ‡,}, Xu Zhong-Fei¹, Zheng Li-Rong⁴, Zhang Jing⁴, Dou Shi-Xue³, Wang Tian-Min¹

Normalized MnK-edge XANES spectra of ZnMnO, ZnMnO-H1, ZnMnO-H2, and the reference samples of MnO, Mn₂O₃, and ZnO.