Research Article
Lead Telluride Doped with Au as a Very Promising Material for Thermoelectric Applications
Figure 3
Room temperature FIR diagrams of PbTe doped with 0.29 at% Cu (Sample 1, “beginning”), 0.24 at% Cu (Sample 2, “middle”), and 0.23 at% Cu (Sample 3, “end”)—first ingot.