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

Table 1

Electronic transport properties of Mg_2+𝑥Si_0.7Sn_0.3Sb_𝑚 at room temperature.

Specimen	Hall coefficient; (cm^3/C)	Mobility; (cm^2/Vs)	Carrier concentration; (cm^−3)
Mg2Si0.7Sn0.3	−83.88	30.25	7.4×10^16
Mg2Si0.7Sn0.3Sb0.01	−4.30	9.44	1.4×10^18
Mg2.1Si0.7Sn0.3Sb0.01	−0.36	1.67×10^−1	1.8×10^19
Mg2.2Si0.7Sn0.3Sb0.01	−0.39	1.74×10^−1	1.5×10^19