College of Science, Liaoning University of Technology, Jinzhou 121000;
State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012;
College of Physics, Jilin University, Changchun 130012;
Institute of New Energy, Bohai University, Jinzhou 121000;
State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012;
