Topological Semimetals in Square-Net Materials

Sebastian Klemenz, Shiming Lei, Leslie M. Schoop

Research output: Contribution to journalArticlepeer-review

97 Scopus citations


Many materials crystallize in structure types that feature a square net of atoms. While these compounds can exhibit many different properties, some members of this family are topological materials. Within the square-net-based topological materials, the observed properties are rich, ranging, for example, from nodal-line semimetals to a bulk half-integer quantum Hall effect. Hence, the potential for guided design of topological properties is enormous. Here we provide an overview of the crystallographic and electronic properties of these phases and show how they are linked, with the goal of understanding which square-net materials can be topological, and predict additional examples. We close the review by discussing the experimentally observed electronic properties in this family.

Original languageEnglish (US)
Pages (from-to)185-206
Number of pages22
JournalAnnual Review of Materials Research
StatePublished - 2019

All Science Journal Classification (ASJC) codes

  • General Materials Science


  • Square net
  • electronic structure
  • structure-to-property relation
  • topological semimetal


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