Stability, electronic and magnetic properties of Co-anchored on graphene sheets towards S, SH and H2S moleculesYanan Tang, Zhiyong Liu, Weiguang Chen, Zhaoming Fu, Wei Li and Xianqi DaiEur. Phys. J. Appl. Phys., 70 3 (2015) 31301DOI: https://doi.org/10.1051/epjap/2015150093