Growth optimization and DFT investigation of doping effect on properties of VS2 monolayer crystals Ashish Kumar Yadav, Chandrabhan Patel, G. Kiran, Rohit Singh, Amit Kumar Singh, Vivek Garg, Shaibal Mukherjee and Sushil Kumar Pandey Eur. Phys. J. B, 96 4 (2023) 49 Published online: 17 April 2023 DOI: 10.1140/epjb/s10051-023-00515-0