3 years ago

# Misfit Strain-Induced Buckling for Transition-Metal Dichalcogenide Lateral Heterostructures: A Molecular Dynamics Study

Jin-Wu Jiang

### Abstract

Molecular dynamics simulations are performed to investigate the misfit strain-induced buckling of the transition-metal dichalcogenide (TMD) lateral heterostructures, denoted by the seamless epitaxial growth of different TMDs along the in-plane direction. The Stillinger–Weber potential is utilized to describe both the interaction for each TMD and the coupling between different TMDs, i.e., $$\hbox {MX}_{2}$$ (with $$\mathrm{M}=\hbox {Mo}$$ , W and $$\mathrm{X}=\hbox {S}$$ , Se, Te). It is found that the misfit strain can induce strong buckling of the freestanding TMD lateral heterostructures of large area, resulting from the TMDs’ atomic-thick nature. The buckling phenomenon occurs in a variety of TMD lateral heterostructures of different compositions and in various patterns. Our findings raise a fundamental mechanical challenge for the structural stability of the freestanding TMD lateral heterostructures.

DOI: 10.1007/s10338-018-0049-z

You might also like
Discover & Discuss Important Research

Keeping up-to-date with research can feel impossible, with papers being published faster than you'll ever be able to read them. That's where Researcher comes in: we're simplifying discovery and making important discussions happen. With over 19,000 sources, including peer-reviewed journals, preprints, blogs, universities, podcasts and Live events across 10 research areas, you'll never miss what's important to you. It's like social media, but better. Oh, and we should mention - it's free.

Researcher displays publicly available abstracts and doesn’t host any full article content. If the content is open access, we will direct clicks from the abstracts to the publisher website and display the PDF copy on our platform. Clicks to view the full text will be directed to the publisher website, where only users with subscriptions or access through their institution are able to view the full article.