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Organic topological insulators in organometallic lattices

Author

Listed:
  • Z.F Wang

    (University of Utah)

  • Zheng Liu

    (University of Utah)

  • Feng Liu

    (University of Utah)

Abstract

Topological insulators are a recently discovered class of materials having insulating bulk electronic states but conducting boundary states distinguished by nontrivial topology. So far, several generations of topological insulators have been theoretically predicted and experimentally confirmed, all based on inorganic materials. Here, based on first-principles calculations, we predict a family of two-dimensional organic topological insulators made of organometallic lattices. Designed by assembling molecular building blocks of triphenyl-metal compounds with strong spin-orbit coupling into a hexagonal lattice, this new classes of organic topological insulators are shown to exhibit nontrivial topological edge states that are robust against significant lattice strain. We envision that organic topological insulators will greatly broaden the scientific and technological impact of topological insulators.

Suggested Citation

  • Z.F Wang & Zheng Liu & Feng Liu, 2013. "Organic topological insulators in organometallic lattices," Nature Communications, Nature, vol. 4(1), pages 1-5, June.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms2451
    DOI: 10.1038/ncomms2451
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    Cited by:

    1. Tianyi Hu & Weiliang Zhong & Tingfeng Zhang & Weihua Wang & Z. F. Wang, 2023. "Identifying topological corner states in two-dimensional metal-organic frameworks," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    2. Tetsuya Nomoto & Shusaku Imajo & Hiroki Akutsu & Yasuhiro Nakazawa & Yoshimitsu Kohama, 2023. "Correlation-driven organic 3D topological insulator with relativistic fermions," Nature Communications, Nature, vol. 14(1), pages 1-7, December.

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