Two-dimensional antimony oxide

Two-dimensional antimony oxide

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Two-dimensional antimony oxide

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Wolff, Stefan; Gillen, Roland; Assebban, Mhamed; Abellán Sáez, Gonzalo; Maultzsch, Janina
This document is a artículoDate2020
Two-dimensional (2D) antimony, so-called antimonene, can form antimonene oxide when exposed to air. We present different types of single- and few-layer antimony oxide structures, based on density functional theory (DFT) calculations. Depending on stoichiometry and bonding type, these novel 2D layers have different structural stability and electronic properties, ranging from topological insulators to semiconductors with direct and indirect band gaps between 2.0 and 4.9 eV. We discuss their vibrational properties and Raman spectra for experimental identification of the predicted structures.

    Wolff, Stefan Gillen, Roland Assebban, Mhamed Abellán Sáez, Gonzalo Maultzsch, Janina 2020 Two-dimensional antimony oxide Physical Review Letters 124 12 126101-1 126101-6

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