Journal
APL MATERIALS
Volume 10, Issue 10, Pages -Publisher
AIP Publishing
DOI: 10.1063/5.0101429
Keywords
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Funding
- National Science Foundation[Platform for the Accelerated Realization, Analysis, and Discovery of Interface Materials (PARADIM)] [DMR-2039380]
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This article reviews the naturally occurring heterostructures called misfits, which combine different van der Waals layers. It discusses their properties, synthesis methods, characterization tools, and future research directions.
Building on discoveries in graphene and two-dimensional (2D) transition metal dichalcogenides, van der Waals (VdW) layered heterostructures-stacks of such 2D materials-are being extensively explored with resulting new discoveries of novel electronic and magnetic properties in the ultrathin limit. Here, we review a class of naturally occurring heterostructures-the so-called misfits-that combine disparate VdW layers with complex stacking. Exhibiting remarkable structural complexity and diversity of phenomena, misfits provide a platform on which to systematically explore the energetics and local bonding constraints of heterostructures and how they can be used to engineer novel quantum fabrics, electronic responsiveness, and magnetic phenomena. Like traditional classes of layered materials, they are often exfoliatable and thus also incorporatable as units in manually or robotically stacked heterostructures. Here, we review the known classes of misfit structures, the tools for their single crystal and thin film synthesis, the physical properties they exhibit, and the computational and characterization tools available to unravel their complexity. Directions for future research are also discussed. (C) 2022 Author(s).
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