[1] Henan Acad Sci, Inst Mat, Henan Key Lab Adv Cond Mat, Zhengzhou 450046, Henan, Peoples R China
[2] Leibniz Inst Solid State & Mat Res IFW Dresden eV, Dresden, Germany
[3] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou, Peoples R China
[4] Westlake Univ, Sch Engn, Hangzhou, Zhejiang, Peoples R China
[5] Tech Univ Dresden, Fac Chem & Food Chem, D-01062 Dresden, Germany
[6] Tech Univ Dresden, Ctr Adv Elect Dresden, D-01062 Dresden, Germany