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The Prediction of a Family Group of Two-dimensional Node-Line Semimetals

Abstract

Using first-principles calculations, we predict a family group of two-dimensional semimetals MX (M=Pd, Pt; X=S, Se, Te), which has zig-zag type mono-layer structure in 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.

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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, Accepted Manuscript
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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, Accepted Manuscript , DOI: 10.1039/C7NR03520A

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