Hui Wang
State Key Laboratory of Coal Mine Disaster Prevention and Control, China University of Mining and Technology, Xuzhou 221116, P. R. China; School of Safety Engineering, China University of Mining and Technology, Xuzhou 221116, P. R. China; Department of Materials Physics, Research School of Physics, Australian National University, Canberra ACT 2601, Australia
China

Hetang Wang
State Key Laboratory of Coal Mine Disaster Prevention and Control, China University of Mining and Technology, Xuzhou 221116, P. R. China; Department of Materials Physics, Research School of Physics, Australian National University, Canberra ACT 2601, Australia
China

Jianglong Tan
State Key Laboratory of Coal Mine Disaster Prevention and Control, China University of Mining and Technology, Xuzhou 221116, P. R. China; Department of Materials Physics, Research School of Physics, Australian National University, Canberra ACT 2601, Australia
China

Jiaqi Du
State Key Laboratory of Coal Mine Disaster Prevention and Control, China University of Mining and Technology, Xuzhou 221116, P. R. China; Department of Materials Physics, Research School of Physics, Australian National University, Canberra ACT 2601, Australia
China

Wendong Zhou
Key Laboratory of Gas and Fire Control for Coal Mines, Ministry of Education, China University of Mining and Technology, Xuzhou 221116, P. R. China
China

Yulai Zhang
Department of Materials Physics, Research School of Physics, Australian National University, Canberra ACT 2601, Australia
Australia