Skip to main content

Thank you for visiting You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.


Correlated insulator by the slice

A layer-by-layer study of TaSe2 shows how this material becomes increasingly insulating as it thins to a monolayer. Scanning tunnelling microscopy reveals the electronic correlations underlying this insulator with atomic resolution.

This is a preview of subscription content, access via your institution

Access options

Buy article

Get time limited or full article access on ReadCube.


All prices are NET prices.

Fig. 1: Charge density wave formation and Mott–Hubbard physics in 1T-TaSe2.


  1. Cao, Y. et al. Nature 556, 80–84 (2018).

    Article  ADS  Google Scholar 

  2. Cao, Y. et al. Nature 556, 43–50 (2018).

    Article  ADS  Google Scholar 

  3. Chen, Y. et al. Nat. Phys. (2020).

  4. Perfetti, L. et al. Phys. Rev. Lett. 90, 166401 (2003).

    Article  ADS  Google Scholar 

  5. Nakata, Y. et al. ACS Appl. Nano Mater. 1, 1456–1460 (2018).

    Article  Google Scholar 

  6. Law, K. T. & Lee, P. A. Proc. Natl Acad. Sci. USA 114, 6996–7000 (2017).

    Article  ADS  Google Scholar 

  7. Geim, A. K. & Grigorieva, I. V. Nature 499, 419 (2013).

    Article  Google Scholar 

Download references

Author information

Authors and Affiliations


Corresponding author

Correspondence to Katharina J. Franke.

Rights and permissions

Reprints and Permissions

About this article

Verify currency and authenticity via CrossMark

Cite this article

Franke, K.J., von Oppen, F. Correlated insulator by the slice. Nat. Phys. 16, 128–129 (2020).

Download citation

  • Published:

  • Issue Date:

  • DOI:


Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing