Research / 2020 / Article / Fig 1

Research Article

Manipulation of Band Degeneracy and Lattice Strain for Extraordinary PbTe Thermoelectrics

Figure 1

Room temperature Seebeck coefficient () versus Hall carrier concentration () for various series of PbTe alloys from this work and literatures [53, 56] (a) and MnTe-alloying concentration-dependent Seebeck coefficient and Hall carrier concentration at room temperature (b) for Na0.02Eu0.03MnPb0.95-Te synthesized in this work. Calculated band structures (c) and density of states (d) of Pb27Te27, Pb26MnTe27 and Pb25EuMnTe27 with a setting of valence band maximum (VBM) at 0 eV.