Superconductivity of monolayer Mo$_2$C: the key role of functional groups

Jun-Jie Zhang; Shuai Dong

doi:10.1063/1.4974085

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arXiv · 1701.00914

Superconductivity of monolayer Mo$_2$C: the key role of functional groups

Jun-Jie Zhang·Shuai Dong

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Abstract

Monolayer Mo$_2$C is a new member of two-dimensional materials. Here the electronic structure and lattice dynamics of monolayer Mo$_2$C are calculated. According to the electron-phonon interaction, it is predicted that monolayer Mo$_2$C could be a quasi-two-dimensional superconductor and the effects of functional-groups are crucially important considering its unsaturated surface. Despite the suppressed superconductivity by chalcogen adsorption, our most interesting prediction is that the electron-phonon interaction of monolayer Mo$_2$C can be greatly enhanced by bromine absorbtion, suggesting that Mo$_2$CBr$_2$ as a good candidate for nanoscale superconductor.

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Jun-Jie Zhang, Shuai Dong. 2017-01-04. Superconductivity of monolayer Mo$_2$C: the key role of functional groups. https://doi.org/10.1063/1.4974085

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