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Stanene, composed of tin atoms arranged in a single layer, is the tinanalogue of graphene and past studies predicted it to be a topologicalinsulator. An energy band gap (of $\sim 0.1$~eV) was obtained in previouscalculations for the buckled honeycomb structure of stanene and, thus,phonon-mediated superconductivity in this material is ruled out. In this workwe investigated, from first principles calculations within density functionaltheory (DFT), the possibility of producing phonon-mediated superconductivity instanene by doping the material. It was found that doping with calcium (lithium)leads to superconductivity, albeit, with a very low superconducting transitiontemperature $T_c$ of $\sim 0.7$~K ($\sim 1.3$~K), even lower than the value($3.7$~K) for bulk $\beta$-Tin.

First Principles Predictions of Superconductivity in Doped Stanene