1. School of Science, Key Laboratory of High Performance Scientific Computation, Xihua University, Chengdu 610039, China
2. School of Materials Science and Engineering, Chongqing University of Arts and Sciences, Chongqing 402160, China
3. College of Science, Sichuan Agricultural University, Ya’an 625014, China
4. Institute of Materials Science, Technical University of Darmstadt, Darmstadt 64287, Germany