fig4

Figure 4. Thermoelectric properties of Mg_3.1-xZn_xSb₂ (x = 0, 0.4, 0.6, and 0.8). Temperature-dependent (A) electrical conductivity (σ) and (B) Seebeck coefficient (S); x-dependent (C) carrier concentration (n) and mobility (μ) at room temperature; Temperature-dependent (D) power factor (PF); (E) thermal diffusivity (D); (F) total thermal conductivity (κ); (G) electronic thermal conductivity (κ_ele); (H) lattice thermal conductivity (κ_latt), and (I) dimensionless figure of merit (ZT).