3D Analogs of Square-Net Nodal Line Semimetals: Band Topology of Cubic LaIn3

Samuel M.L. Teicher; Jasper F. Linnartz; Ratnadwip Singha; Davide Pizzirani; Sebastian Klemenz; Steffen Wiedmann; Jennifer Cano; Leslie M. Schoop

doi:10.1021/acs.chemmater.2c00175

3D Analogs of Square-Net Nodal Line Semimetals: Band Topology of Cubic LaIn₃

Samuel M.L. Teicher, Jasper F. Linnartz, Ratnadwip Singha, Davide Pizzirani, Sebastian Klemenz, Steffen Wiedmann, Jennifer Cano, Leslie M. Schoop

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

In two-dimensional (2D) systems, the origins of topological band structure have been linked to simple chemical bonding models. Here, we investigate the three-dimensional (3D) metal LaIn₃ and show that its electronic structure and band topology are well-modeled using a tight-binding model consisting of only In p orbitals. We predict this material to be a nodal line semimetal with Dirac crossings and topological surface states at the experimental Fermi level. This compound can be considered a 3D chemical analog of 2D square-net semimetals in the ZrSiS family, with primary p_x,y orbital contributions and cubic connectivity. LaIn₃ and related auricupride metals are established superconductors and may provide a valuable platform for exploring the interplay between the topological electronic structure and superconductivity.

Original language	English (US)
Pages (from-to)	4446-4455
Number of pages	10
Journal	Chemistry of Materials
Volume	34
Issue number	10
DOIs	https://doi.org/10.1021/acs.chemmater.2c00175
State	Published - May 24 2022

All Science Journal Classification (ASJC) codes

General Chemistry
General Chemical Engineering
Materials Chemistry

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title = "3D Analogs of Square-Net Nodal Line Semimetals: Band Topology of Cubic LaIn3",

abstract = "In two-dimensional (2D) systems, the origins of topological band structure have been linked to simple chemical bonding models. Here, we investigate the three-dimensional (3D) metal LaIn3 and show that its electronic structure and band topology are well-modeled using a tight-binding model consisting of only In p orbitals. We predict this material to be a nodal line semimetal with Dirac crossings and topological surface states at the experimental Fermi level. This compound can be considered a 3D chemical analog of 2D square-net semimetals in the ZrSiS family, with primary px,y orbital contributions and cubic connectivity. LaIn3 and related auricupride metals are established superconductors and may provide a valuable platform for exploring the interplay between the topological electronic structure and superconductivity.",

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T1 - 3D Analogs of Square-Net Nodal Line Semimetals

T2 - Band Topology of Cubic LaIn3

AU - Teicher, Samuel M.L.

AU - Linnartz, Jasper F.

AU - Singha, Ratnadwip

AU - Pizzirani, Davide

AU - Klemenz, Sebastian

AU - Wiedmann, Steffen

AU - Cano, Jennifer

AU - Schoop, Leslie M.

PY - 2022/5/24

Y1 - 2022/5/24

N2 - In two-dimensional (2D) systems, the origins of topological band structure have been linked to simple chemical bonding models. Here, we investigate the three-dimensional (3D) metal LaIn3 and show that its electronic structure and band topology are well-modeled using a tight-binding model consisting of only In p orbitals. We predict this material to be a nodal line semimetal with Dirac crossings and topological surface states at the experimental Fermi level. This compound can be considered a 3D chemical analog of 2D square-net semimetals in the ZrSiS family, with primary px,y orbital contributions and cubic connectivity. LaIn3 and related auricupride metals are established superconductors and may provide a valuable platform for exploring the interplay between the topological electronic structure and superconductivity.

AB - In two-dimensional (2D) systems, the origins of topological band structure have been linked to simple chemical bonding models. Here, we investigate the three-dimensional (3D) metal LaIn3 and show that its electronic structure and band topology are well-modeled using a tight-binding model consisting of only In p orbitals. We predict this material to be a nodal line semimetal with Dirac crossings and topological surface states at the experimental Fermi level. This compound can be considered a 3D chemical analog of 2D square-net semimetals in the ZrSiS family, with primary px,y orbital contributions and cubic connectivity. LaIn3 and related auricupride metals are established superconductors and may provide a valuable platform for exploring the interplay between the topological electronic structure and superconductivity.

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3D Analogs of Square-Net Nodal Line Semimetals: Band Topology of Cubic LaIn₃

Abstract

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