Fig. 2: The electrical transport properties.
From: Exceptional figure of merit achieved in boron-dispersed GeTe-based thermoelectric composites
a Temperature dependence of electrical conductivity for Bi0.05Ge0.94Te-y wt. % B (y = 0.00, 0.05, 0.10, 0.20, 0.40) samples. b Seebeck coefficient of Bi0.05Ge0.94Te-y wt. % B samples (T = 300 K and T = 613 K). c The effects of boron contents on carrier concentration and carrier mobility at 300 K. d The relationship between S and Hall carrier concentration for Bi0.05Ge0.94Te-y wt. % B samples at 300 K. The solid points represent for the Bi-doped GeTe samples. e Temperature dependence of power factor for B/BGT samples (B0/BGT and B10/BGT samples) and the comparison of power factor (for R-GeTe), and f average PF with the values in literatures20,29,42,48,62.
