The data of the article "Study on the Optical and Electronic Properties of Two-dimensional IV-VI Chalcogenide Compounds”

This article uses Origin software to process data, where the 1L MX phonon spectrum file is the data of single-layer MX (GeS GeSe GeTe SnS SnSe and SnTe) phonon spectra, as shown in Figure 2 of this article; The MX band file is the data of the 1-5 layer MX band, which is shown in Figure 3 of this article; The MX bandgap and layer number relationship file is the data of the trend of 1-5 layer MX bandgap values with the number of layers, as shown in Figure 4 of this article; The MX DOS file contains data on the density of states of MX layers 1-5, as shown in Figure 5 of this article; The MX absorption coefficient is the data of the light absorption coefficient of MX layers 1-5, which is shown in Figure 6 of this article; The MX absorption coefficient is the data of the light absorption coefficient of MX layers 1-5, which is shown in Figure 6 of this article; The file of the relationship between the maximum light absorption coefficient of MX and the number of layers is the data of the trend of the maximum light absorption coefficient of MX with the number of layers for 1-5 layers, which is shown in Figure 7 of this article.