1. School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, China
2. Beijing Computational Science Research Center, Beijing, 100193, China
3. Department of Physics and NANOlab Center of Excellence, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
4. Instituto de Física, Universidade Federal de Mato Grosso, Cuiabá, Mato Grosso 78060-900, Brazil
5. School of Physics, Zhejiang University, Hangzhou 310027, P. R. China