Not All 2D Materials are as Strong as Graphene: Transition Metal Dichalcogenides Get Weaker when Thickness Decreases
A new study recently published in Advanced Materials reveals that MoSe
2, a prominent material of the transition metal dichalcogenides (TMDs) family, loses relative stiffness when its thickness is reduced. This work was carried out by researchers from the Adam Mickiewicz University (AMU) in Poznan (Poland) and the ICN2, under the coordination of Dr Bartlomiej Graczykowski and Dr Klaas-Jan Tielrooij, respectively.
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Image Credit: ICN2 Ultrafast Dynamics in Nanoscale Systems group
Since the discovery of graphene, a wonder material exhibiting remarkable properties due to its being as thin as a single layer of atoms, a wide variety of new 2D materials have been fabricated and studied. The general expectation is that, as for graphene, such materials mechanical properties are superior to their bulk counterparts. However, this is not the case for molybde