Solid-State Synthesis and Thermoelectric Properties of Mg_2+xSi_0.7Sn_0.3Sb_m

Figure 1

X-ray diffraction patterns for Mg_2+𝑥Si_0.7Sn_0.3Sb_𝑚 solid solutions: (a) Mg₂Si_0.7Sn_0.3, (b) Mg₂Si_0.7Sn_0.3Sb_0.01, (c) Mg_2.1Si_0.7Sn_0.3Sb_0.01, and (d) Mg_2.2Si_0.7Sn_0.3Sb_0.01.