Figure2

Figure 2. (A) Young's modulus and Poisson's ratio of the PbSe/PbTe monolayer heterostructure;(B) AIMD results of the 4 × 4 × 1 supercell of PbSe/PbTe monolayer heterostructure at 300 and 700 K. AIMD: Ab initio molecular dynamics.