fig5

Figure 5. (A) Thermal conductivity (κ) varying with temperature for BaFe_2-xCo_xFe₁₆O₂₇ hexaferrites. (B) Porosity-corrected thermal conductivities as functions of content of Co for BaFe_2-xCo_xFe₁₆O₂₇ at 300 K. (C) Point-defect scattering parameter Γ, Γ_mass and Γ_strain as a function of Co content. (D) zT varying with temperature.