Reduction of Lattice Thermal Conductivity in PbTe Induced by Artificially Generated Pores

Figure 3

(a) Total and (b) lattice thermal conductivities as a function of temperature for PbTe and PVA- and NaCl-embedded PbTe samples before and after sonication, respectively. The inset shows the temperature dependence of electrical conductivity for all samples.

(a)

(b)