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Issue 35, 2017
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The prediction of a family group of two-dimensional node-line semimetals

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Abstract

Using first-principles calculations, we predict a family group of two-dimensional semimetals MX (M = Pd, Pt; X = S, Se, Te), which has a zig-zag type mono-layer structure in the Pmma (no. 41) layer group. Band structure analysis reveals that node-line features are caused by band inversion and the inversion exists even in the absence of spin-orbital-coupling. First-principles calculations show the robust lattice stability of these predicted materials. This work provides the possibility of making a group of novel two-dimensional materials with semimetal features.

Graphical abstract: The prediction of a family group of two-dimensional node-line semimetals

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Publication details

The article was received on 17 May 2017, accepted on 01 Aug 2017 and first published on 07 Aug 2017


Article type: Paper
DOI: 10.1039/C7NR03520A
Citation: Nanoscale, 2017,9, 13112-13118
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    The prediction of a family group of two-dimensional node-line semimetals

    Y. Jin, R. Wang, J. Zhao, Y. Du, C. Zheng, L. Gan, J. Liu, H. Xu and S. Y. Tong, Nanoscale, 2017, 9, 13112
    DOI: 10.1039/C7NR03520A

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