Research Article

Formation of Dense Pore Structure by Te Addition in Bi0.5Sb1.5Te3: An Approach to Minimize Lattice Thermal Conductivity

Figure 1

(a) The SEM image of Bi0.5Sb1.5Te3 powders, (b) schematic illustration of evaporation process, and (c, d) SEM images of Te coated Bi0.5Sb1.5Te3 by evaporation method.
905389.fig.001a
(a)
905389.fig.001b
(b)
905389.fig.001c
(c)
905389.fig.001d
(d)