fig7
Figure 7. Energy-dispersive X-ray spectroscopy (EDS) mapping of Bi0.5Sb1.5Te3-x spark plasma sintered (SPS) pellet. (A) Top-view SEM image of the pellet surface, with corresponding elemental distribution maps of (B) tellurium, (C) antimony and (D) bismuth, indicating a uniform elemental distribution across the surface.
