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. 2024 Jun 14;15:5108. doi: 10.1038/s41467-024-49440-5

Fig. 1. The plasticity of Mg3Sb2-xBix.

Fig. 1

a Compressive stress and strain curves of polycrystalline Mg3Sb2 and Mg3Bi2 with optical images inset showing Mg3Sb2 and Mg3Bi2 after 33.3% and 16.7% compression, respectively; b fracture surface morphology of compressed polycrystalline Mg3Bi2; c optical images of single-crystalline Mg3Bi2 by bending, twisting and cutting; d temperature dependence of zT and e compressive strain–stress curves of polycrystalline Te-doped Mg3Sb2-xBix, Bi2Te3-based compounds, Ag2(Te,Se,S) and SnSe23,7,8,1821,27,37,58.