Research / 2021 / Article / Fig 3

Research Article

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

Figure 3

Measured electrical properties of GeMnTe2-Se. (a) Temperature-dependent Seebeck coefficient of GeMnTe2-Se (). (b) Hall carrier concentration at room temperature as a function of Se content in GeMnTe2-Se (). (c) Optical band gap from infrared absorption spectra and (d) the temperature-dependent magnetization derivative dM/dT for GeMnTe2-Se ().