1. Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, P. R. China
2. Department of Physics and Center for 1D/2D Quantum Materials, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, P. R. China
3. Center for Infrastructure Engineering, Western Sydney University, Kingswood, New South Wales 2751, Australia