The data presented in this article relate to the research article entitled "Superior room-temperature power factor in GeTe systems via multiple valence band convergence to a narrow energy range" [T. Oku et al., Mater. Today Phys. 20 (2021) 100484 (10.1016/j.mtphys.2021.100484)]. Polycrystalline (GeTe) SbTe ( = 10, 12, 16, 20, and 24) bulk samples were prepared by melting and annealing. The Ge defect concentration of each composition was estimated from Rietveld refinement of the synchrotron X-ray powder diffraction patterns. Electrical properties, such as the electrical resistivity and Seebeck coefficient, were measured from three specimens of each composition to confirm reproducibility. Electronic-band-structure parameters and electronic density-of-states of each composition were obtained by first-principles calculations.
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| http://dx.doi.org/10.1016/j.dib.2021.107462 | DOI Listing |
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