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

MnK-edge Fourier transforms ofk3χ(k) functions of EXAFS spectra without phase correction for ZnMnO, ZnMnO-H1, and ZnMnO-H2, together with reference samples MnO, Mn₂O₃, MnOOH, and ZnO. The inset shows the Gauss fitting of peaks B and C.