4 years ago

Tetrahedral Transition Metal Chalcogenides as Functional Inorganic Materials

Tetrahedral Transition Metal Chalcogenides as Functional Inorganic Materials
Xiuquan Zhou, Efrain E. Rodriguez
We provide a perspective on a series of materials that we have termed tetrahedral transition metal chalcogenides (TTMCs), which have a common layered structural motif that could carry novel functionalities on account of the d-orbital filling. While strong covalent bonding predominates within the TTMC layers, the layers themselves can be held together by van der Waals interactions, Coulombic forces, or even hydrogen bonding. Although similar to transition metal dichalcogenides (TMDs) in some respects, TTMCs have been less explored in their synthesis and materials properties. Unlike TMDs where the transition metal is typically tetravalent and in a 6-coordinate environment, TTMCs contain the transition metal in a tetrahedral environment and in a low valent state of I or II. Structurally, TTMCs crystallize in tetragonal or orthorhombic structures on account of the square lattice formed by the transition metal centers. We present their electronic structure and resulting properties, including superconductivity, metallic conductivity, and itinerant ferromagnetism. We briefly discuss their synthesis and the intercalation chemistry that can be performed to form new phases. Like TMDs, they also offer the tantalizing opportunity to be manipulated toward the formation of two-dimensional (2D) structures. Finally, we provide a future outlook on their development and the possibility that they could be integrated with other 2D materials to form novel heterostructures.

Publisher URL: http://dx.doi.org/10.1021/acs.chemmater.7b01561

DOI: 10.1021/acs.chemmater.7b01561

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.

  • Download from Google Play
  • Download from App Store
  • Download from AppInChina

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.