Issue 15, 2022

van der Waals epitaxy of transition metal dichalcogenides via molecular beam epitaxy: looking back and moving forward

Abstract

Initiated by the discovery of graphene, tremendous research advances have been witnessed in the field of two-dimensional (2D) transition metal dichalcogenides (TMDCs) in the past few years. The unique optical and electrical properties of these layered TMDCs due to their well-defined low dimensionalities make them promising building blocks for next-generation electronics. Recently, a lot of research interest has been focussed on the growth of high-quality and large-area epilayers of several TMDCs using molecular beam epitaxy (MBE), owing to their ultra-high vacuum environment. The capability to precisely control the composition, thickness, and structural phases of TMDCs by MBE makes it suitable for studying fundamental sciences, investigating technological applications, and exploring new physics, which possibly could lead to fascinating applications. In the current perspective, an overview of the basic properties of TMDCs has been discussed, followed by the recent advancements in this area of the growth of TMDC thin films by MBE. Finally, the authors’ viewpoints highlight this emerging research field's key challenges and opportunities.

Graphical abstract: van der Waals epitaxy of transition metal dichalcogenides via molecular beam epitaxy: looking back and moving forward

Article information

Article type
Perspective
Submitted
28 mar. 2022
Accepted
27 jun. 2022
First published
29 jun. 2022
This article is Open Access
Creative Commons BY-NC license

Mater. Adv., 2022,3, 6142-6156

van der Waals epitaxy of transition metal dichalcogenides via molecular beam epitaxy: looking back and moving forward

D. K. Singh and G. Gupta, Mater. Adv., 2022, 3, 6142 DOI: 10.1039/D2MA00352J

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