Speaker: Alexandra Carvalho, Research Fellow
Affiliation: CA2DM, NUS
Abstract Details: We used first principles calculations to investigate systematically the structural, electronic and optical properties of `phosphorene analogues', the family of group-IV monochalcogenides SnS, SnSe, GeS, and GeSe. We show that all are semiconducting, with bandgap energies covering part of the infra-red and visible range, and in most cases higher than phosphorene. Further, we analysed the changes associated with the reduction of dimensionality, from bulk to monolayer or bilayer form. The prospects of using these materials for spintronics and valleytronics are discussed.Click HERE for directions

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