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Research Article

Anomalous Thermopower and High ZT in GeMnTe2 Driven by Spin’s Thermodynamic Entropy

Figure 4

The Thermoelectric properties of Ge1-MnBiTe1.94Se0.06. Temperature-dependent Seebeck coefficients (a) and electrical conductivity (b) for Ge1-BiMnTe1.94Se0.06, and Hall carrier concentration (c) at room temperature as a function of Bi doping level, (, 0.02, 0.04, 0.06, 0.08, 0.10). The inherently relationship between magnetic susceptibility and Seebeck coefficient is displayed in (d).